1. O. Theodosiadou, K. Pantelidou, N. Bastas, D. Chatzakou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, Change Point Detection in Terrorism-Related Online Content Using Deep Learning Derived Indicators. Information 2021, 12, 274. OPEN ACCESS
  2. V. -R. Xefteris, A. Tsanousa, G. Meditskos, S. Vrochidis and I. Kompatsiaris, "Performance, challenges, and limitations in multimodal fall detection systems: a review," in IEEE Sensors Journal, doi: 10.1109/JSEN.2021.3090454. OPEN ACCESS
  3. C. Iliou, T. Kostoulas, T. Tsikrika, V. Katos, S. Vrochidis, I. Kompatsiaris. "Detection of advanced web bots by combining web logs with mouse behavioural biometrics". Digital Threats: Research and Practice (DTRAP), 2021, accepted for publication.
  4. J. Lokoč, P. Veselý, F. Mejzlík, G. Kovalčík, T. Souček, K. Schoeffmann, W. Bailer, C. Gurrin, L. Sauter, J. Song, S. Vrochidis, J. Wu, B. Þór Jónsson. “Is the Reign of Interactive Search Eternal?Findings from the Video Browser Showdown 2020”. Transactions on Multimedia Computing Communications and Applications, 2021, accepted for publication.
  5. T. Mavropoulos, S. Symeonidis, A. Tsanousa, P. Giannakeris, M. Rousi, E. Kamateri, G. Meditskos, K. Ioannidis, S. Vrochidis, I. Kompatsiaris "Smart integration of sensors, computer vision and knowledge representation for intelligent monitoring and verbal human-computer interaction", Journal of Intelligent Information Systems, Springer, 2021 (accepted for publication).
  6. A. Tsanousa, V-R. Xefteris, G. Meditskos, S. Vrochidis, I. Kompatsiaris. Combining RSSI and Accelerometer Features for Room-Level Localization. Sensors. 2021; 21(8):2723. OPEN ACCESS
  7. M. Rousi, V. Sitokonstantinou, G. Meditskos, I. Papoutsis, I. Gialampoukidis, A. Koukos, V. Karathanassi, T. Drivas, S. Vrochidis, C. Kontoes, I. Kompatsiaris. “Semantically enriched crop type classification and Linked Earth Observation Data to support the Common Agricultural Policy monitoring”. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing. vol. 14, pp. 529-552, 17 November 2020. OPEN ACCESS
  8. I. Paliokas, A.T. Patenidis, E. Mitsopoulou, C. Tsita, G. Pehlivanides, E. Karyati, S. Tsafaras, E.A. Stathopoulos, A. Kokkalas, S. Diplaris, G. Meditskos, S. Vrochidis, E. Tasiopoulou, C. Riggas, K. Votis, I. Kompatsiaris, D. Tzovaras. "A Gamified Augmented Reality Application for Digital Heritage and Tourism". Special Issue Extended Reality: From Theory to Applications, 6 November 2020. OPEN ACCESS
  9. D. Mantsis, M. Bakratsas, S. Andreadis, P. Karsisto, A. Moumtzidou, I. Gialampoukidis, A. Karppinen, S. Vrochidis, and I. Kompatsiaris. “Multimodal Fusion of Sentinel-1 images and Social media Data for Snow Depth estimation”. IEEE Geoscience and Remote Sensing Letters, pp. 1-5, 30 October 2020. OPEN ACCESS
  10. P. Giannakeris, P. C. Petrantonakis, K. Avgerinakis, S. Vrochidis, I. Kompatsiaris. "First-Person Activity Recognition from Micro-Action Representations using Convolutional Neural Networks and Object Flow Histograms'. Multimedia Tools and Applications An International Journal, 29 September 2020. OPEN ACCESS
  11. G. Antzoulatos, C. Mourtzios, P. Stournara, I.O. Kouloglou, N. Papadimitriou, D. Spyrou, A. Mentes, E. Nikolaidis, A. Karakostas, D. Kourtesis, S. Vrochidis, I. Kompatsiaris. "Making Urban Water Smart: The SMART-WATER solution", Special Issue "Making water smart – preparing the water sector for the data and autonomy revolution", Water Science & Technology, Volume 82, Issue 12, 18 August 2020 OPEN ACCESS
  12. A. Tsanousa, G. Meditskos, S. Vrochidis, L. Angelis. "A novel feature selection method based on comparison of correlations for human activity recognition problems". Journal of Ambient Intelligence and Humanized Computing, 6 March 2020. OPEN ACCESS
  13. M. Riga, E. Kontopoulos, K. Ioannidis, S. Kintzios, S. Vrochidis, I. Kompatsiaris (2020). “EUCISE-OWL: An Ontology-based Representation of the Common Information Sharing Environment (CISE) for the Maritime Domain” Semantic Web, vol. 12, no. 4, pp. 603-615, 2021. OPEN ACCESS
  14. T. Mavropoulos, G. Meditskos, E. Kamateri, M. Rousi, S. Symeonidis, D. Tzimikas, L. Papageorgiou, C. Eleftheriadis, G. Adamopoulos, S. Vrochidis, I. Kompatsiaris. “A context-aware conversational agent in the rehabilitation domain”. Special Issue “Intelligent Innovations in Multimedia Data”, Future Internet 1 November 2019, 11(11), 231.
  15. A. Chatzimichail, C. Chatzigeorgiou, A. Tsanousa, D. Ntioudis, G. Meditskos, F. Andritsopoulos, C. Karaberi, P. Kasnesis, D. Kogias, G. Gorgogetas, S. Vrochidis, C. Patrikakis, I. Kompatsiaris. “Internet of Things Infrastructure for Security and Safety in Public Places”. Special Issue, IoT Applications and Industry 4.0, Information, 10(11), 333, 28 October 2019. OPEN ACCESS
  16. P. Hertweck, J. Mossgraber, E. Kontopoulos, P. Mitzias, T. Hellmund, A. Karakostas, D. Hilbring, H. van der Schaaf, S. Vrochidis, J.-W. Blume and I. Kompatsiaris. “The Backbone of Decision Support Systems: The Sensor to Decision Chain.” IJISCRAM 10.4: 65-87. Web. 29 August 2019. OPEN ACCESS
  17. M. Krestenitis, G. Orfanidis, K. Ioannidis, K. Avgerinakis, S. Vrochidis and I. Kompatsiaris. "Oil Spill Identification from Satellite Images Using Deep Neural Networks". Remote Sensing, 11(15), 1762, 26 July 2019. OPEN ACCESS
  18. I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, and I. Antoniou. “Probabilistic density-based estimation of the number of clusters using the DBSCAN-martingale process”. Pattern Recognition Letters, Vol. 123, pp 23-30, 4 March 2019. OPEN ACCESS
  19. G. Meditskos, E. Kontopoulos, S. Vrochidis, I. Kompatsiaris. “Converness: Ontology-driven Conversational Awareness and Context Understanding in Multimodal Dialogue Systems”. Expert Systems, Special Issue on e-Health and Staying Smarter, 1 February 2019. OPEN ACCESS
  20. J. Lokoc, G. Kovalcik, B. Munzer, K. Schoffmann, W. Bailer, R. Gasser, S. Vrochidis, P. Anh Nguyen, S. Rujikietgumjorn, K. Uwe Barthel. “Interactive Search or Sequential Browsing? A Detailed Analysis of the Video Browser Showdown 2018”. ACM Transactions on Multimedia Computing, Communications, and Applications 1 February 2019. OPEN ACCESS
  21. N. Mengidis, T. Tsikrika, S. Vrochidis, and I. Kompatsiaris. “Blockchain and AI for the Next Generation Energy Grids: Cybersecurity Challenges and Opportunities.” Information & Security: An International Journal 43, no. 1 (2019): 21-33, 15 January 2019. OPEN ACCESS
  22. S. Vrochidis, A. Moumtzidou, I. Gialampoukidis, D. Liparas, G. Casamayor, L. Wanner, N. Heise, T. Wagner, A. Bilous, E. Jamin, B. Simeonov, V. Alexiev, R. Busch, I. Arapakis, I. Kompatsiaris. “A multimodal analytics platform for journalists analysing large-scale, heterogeneous multilingual and multimedia content”. Frontiers in Robotics and AI, 5, 123, 29 October 2018. OPEN ACCESS
  23. E. Kosmidis, P. Syropoulou, S. Tekes, P. Schneider, E. Spyromitros-Xioufis, M. Riga, P. Charitidis, A. Moumtzidou, S. Papadopoulos, S. Vrochidis, I. Kompatsiaris, I. Stavrakas, G. Hloupis, A. Loukidis, K. Kourtidis, A.Georgoulias, and G. Alexandri. "hackAIR: Towards raising Awareness about Air Quality in Europe by developing a Collective Online Platform". ISPRS International Journal of Geo-Information , 7, 12 May 2018. OPEN ACCESS
  24. C. Iliou, G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. "Hybrid Focused Crawling on the Surface and the Dark Web". EURASIP Journal on Information Security, vol. 2017, no. 11, 4 July 2017. OPEN ACCESS
  25. B. Akhgar, P. Bertrand, C. Chalanouli, T. Day, I. Fragkiadakis, H. Gibson, D. Kavallieros, E. Kermitsis, I. Kompatsiaris, E. Kyriakou, G. Leventakis, E. Lissaris, S. Mille, D. Myttas, T. Tsikrika, S. Vrochidis, U. Williamson. "TENSOR: Retrieval and Analysis of Heterogeneous Online Content for Terrorist Activity Recognition". Proceedings of the Estonian Academy of Se-curity Sciences: Secure Societies, 15 June 2017. OPEN ACCESS
  26. I. Gialampoukidis, A. Moumtzidou, D. Liparas, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. "Multimedia retrieval based on non-linear graph-based fusion and partial least squares regression". Multimedia Tools and Applications, 15 May 2017. OPEN ACCESS
  27. C. Cobarzan, K. Schoeffmann, W. Bailer, W. Hurst, A. Blazek, J. Lokoc, S. Vrochidis, K. Uwe Barthel, and L. Rossetto.“Interactive video search tools: a detailed analysis of the video browser showdown 2015”. Multimedia Tools Appl. 76, 5539-5571, 4 February 2017. OPEN ACCESS
  28. S. Vrochidis, I. Patras and I. Kompatsiaris. "Gaze Movement-driven Random Forests for Query Clustering in Automatic Video Annotation". Multimedia Tools and Applications, 22 January 2016. OPEN ACCESS
  29. L. Wanner, M. Rospocher, S. Vrochidis, L. Johansson, N. Bouayad-Aghae, G. Casamayor, A. Karppinen, I. Kompatsiaris, S. Millee, A. Moumtzidou, L. Serafini. "Ontology-centered environmental information delivery for personalized decision support". Expert Systems With Applications, Volume 42, Issue 12, 15 July 2015, Pages 5032–5046. OPEN ACCESS
  30. T. Tsikrika, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris. "Focussed Crawling of Environmental Web Resources Based on the Combination of Multimedia Evidence, Multimedia Tools and Applications". May 2015, pp 1-25, 31 May 2015. OPEN ACCESS
  31. V. Epitropou, T. Bassoukos, K. Karatzas, A. Karppinen, L. Wanner, S. Vrochidis, I. Kompatsiaris, J. Kukkonen. "Environmental data extraction from heatmaps using the AirMerge system". Multimedia Tools and Applications, May 2015. pp. 1-25, 7 May 2015. OPEN ACCESS
  32. L. Wanner, H. Bosch, N. Bouayad-Agha, G. Casamayor, T. Ertl, D. Hilbring, L. Johansson, K. Karatzas, A. Karppinen, I. Kompatsiaris, T. Koskentalo, S. Mille, J. Mossgraber, A. Moumtzidou, M. Myllynen, E. Pianta, M. Rospocher, L. Serafini, V. Tarvainen, S. Tonelli, S. Vrochidis. "Getting the environmental information across: From the web to the user". Expert Systems, 15 December 2014. OPEN ACCESS
  33. L. Johansson, V. Epitropou, K. Karatzas, A. Karppinen, L. Wanner, S. Vrochidis, A. Bassoukos, J. Kukkonen, I. Kompatsiaris. "Fusion of meteorological and air quality data extracted from the web for personalized environmental information services". Environmental Modeling and Software Journal, 2015, Volume 64, February 2015, pp. 143–155, 12 December 2014. OPEN ACCESS
  34. A. Moumtzidou, V. Epitropou, S. Vrochidis, K. Karatzas, S. Voth, A. Bassoukos, J. Mossgraber, A. Karppinen, J. Kukkonen and I. Kompatsiaris. "A Model for Environmental Data Extraction from Multimedia and its Evaluation against various Chemical Weather Forecasting Datasets". Journal of Ecological Informatics, pp. 69-82, 2014, special issue, ISSN 1574-9541, 4 September 2013. OPEN ACCESS
  35. S. Vrochidis, A. Moumtzidou, and I. Kompatsiaris. "Concept-based Patent Image Retrieval". World Patent Information Journal, Volume 34, Issue 4, pp. 292-303, 18 August 2012. OPEN ACCESS
  36. P. Sidiropoulos, S. Vrochidis, I. Kompatsiaris. "Content-Based Binary Image Retrieval using the Adaptive Hierarchical Density Histogram". Pattern Recognition Journal, Elsevier, Volume 44, Issue 4, pp 739-750, 18 August 2012. OPEN ACCESS
  37. S. Vrochidis, I. Kompatsiaris and I. Patras. "Utilizing Implicit User Feedback to Improve Interactive Video Retrieval". In Ad-vances in Multimedia, Hindawi, vol. 2011, Article ID 310762, 18 pages, 24 March 2011. OPEN ACCESS
  38. S. Vrochidis, S. Papadopoulos, A. Moumtzidou, P. Sidiropoulos, E. Pianta, I. Kompatsiaris. "Towards Content-based Patent Image Retrieval; A Framework Perspective". World Patent Information Journal, Volume 32, Issue 2, pp 94-106, 27 June 2009. OPEN ACCESS
  39. S. Vrochidis, C. Doulaverakis, A. Gounaris, E. Nidelkou, L. Makris and I. Kompatsiaris. "A Hybrid Ontology and Visual-based Retrieval Model for Cultural Heritage Multimedia Collections". International Journal of Metadata, Semantics and Ontologies, Vol.3, No. 3, pp. 167-182, 28 February 2009. OPEN ACCESS
  40. F. Bellotti, S. Vrochidis, E. Parissi, P. Lhoas, D. Mathevon, M. Pellegrino, G. Bo and I. Kompatsiaris. "A T-learning Courses Development and Presentation Framework". IEEE Multidisciplinary Engineering Education Magazine, Vol 3, No 3, pp 69-76, 1 September 2008. OPEN ACCESS
  41. F. Bellotti, S. Vrochidis, S. Ramel, I. Tsampoulatidis, P. Lhoas, M. Pellegrino, G. Bo and I. Kompatsiaris. "A Technological Framework for the Authoring and Presentation of T-learning Courses". International Journal of Emerging Technologies in Learning (iJET), Vol 3, No4, pp 10-19,15 June 2008. OPEN ACCESS
  1. B. Akhgar, M. Gercke, S. Vrochidis, H. Gibson (2021). Dark Web investigation. 288 Pages, Springer.
  2. S. Vrochidis, B. Huet, E. Chang, I. Kompatsiaris (2019). Big Data Analytics for Large-Scale Multimedia Retrieval. 348 Pages, Wiley.
  3. A. Joly, S. Vrochidis, K. Karatzas, A. Karppinen, P. Bonnet (2018). Multimedia Tools and Applications for Environmental & Biodiversity Informatics.  221 pages, Springer.
  1. K. Ioannidis,G. Orfanidis, M. Krestenitis, S. Vrochidis, & I. Kompatsiaris, “Sensor Data Fusion and Autonomous Unmanned Vehicles for the Protection of Critical Infrastructures” , Terahertz (THz), Mid Infrared (MIR) and Near Infrared (NIR) Technologies for Protection of Critical Infrastructures Against Explosives and CBRN, Book Series: NATO Science for Peace and Security Series B: Physics and Biophysics, Springer Netherlands, 2021, 3-17. OPEN ACCESS
  2. A. Chatzimichail, E. A. Stathopoulos, D. Ntioudis, A. Tsanousa, M. Rousi, A. Mavropoulos, G. Meditskos, S. Vrochidis and I. Kompatsiaris. “IoT and Semantic Web Technologies”. Semantic IOT: Theory and Applications - Interoperability, Provenance and Beyond, Book series: Studies in Computational Intelligence, Springer, 2020 (accepted for publication). OPEN ACCESS
  3. G. Antzoulatos, I. Koulalis, A. Karakostas, S. Vrochidis, I. Kompatsiaris, “Towards to integrate a multi-layer Machine Learning Data Fusion approach into Crisis Classification and Risk Assessment of extreme natural events”. In "Technology Development for Security Practitioners", edited by B. Akhgar, D. Kavallieros, E. Sdongos, Book series: Security Informatics and Law Enforcement, Springer, 2021. OPEN ACCESS
  4. P. Panagiotou, G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. “Query reformulation based on word embeddings: A comparative study”. Technology Advances and Support for Security Practitioners of the Security Informatics and Law Enforcement book series. OPEN ACCESS
  5. K. Gkountakos, K. Ioannidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. “Visual Recognition of Abnormal Activities in Video Streams”. Technology Advances and Support for Security Practitioners of the Security Informatics and Law Enforcement book series. OPEN ACCESS
  6. G. Antzoulatos, A. Karakostas, S. Vrochidis, I. Kompatsiaris,“The Crisis Classification component to strengthen the early warning, risk assessment and decision support in extreme climate events”, in “Dynamic of Disaster - Impact, Risk, Resilience, and Solutions", edited by I.S. Kotsireas, P.M. Pardalos, A. Nagurney, A. Tsokas, Book series: Springer Optimization and Its Applications, Springer, 2021. OPEN ACCESS
  7. I. Gialampoukidis, E. Chatzilari, S. Nikolopoulos, S. Vrochidis, I. Kompatsiaris. “Multimodal Fusion of Big Multimedia Data, in Book: Big Data Analytics for Large-Scale Multimedia Search”. 15 March 2019. OPEN ACCESS
  8. Spyromitros-Xioufs, A. Moumtzidou, S. Papadopoulos, S. Vrochidis, Y. Kompatsiaris, A. K. Georgoulias, G. Alexandri, K. Kourtidis. “Towards improved air quality monitoring using publicly available sky images”. In Multimedia Technologies for Environmental & Biodiversity Informatics, 20 June 2018. OPEN ACCESS
  9. G. Kalpakis, T. Tsikrika, I. Gialampoukidis, S. Papadopoulos, S. Vrochidis, I. Kompatsiaris. "Analysis of Suspended Terrorism-Related Content on Social Media". In Community-Oriented Policing and Technological Innovations, Springer Briefs in Policing, Springer, 27 April 2018. OPEN ACCESS
  10. G. Kalpakis, T. Tsikrika, N. Cunningham, C. Iliou, S. Vrochidis, J. Middleton, I. Kompatsiaris. "OSINT and the Dark Web". In Open Source Intelligence Investigation - From Strategy to Implementation, B. Akhgar, P. S. Bayerl, F. Sampson (Eds.), Springer, 3 January 2017. OPEN ACCESS
  11. A. Moumtzidou, S. Vrochidis, I. Kompatsiaris. "Discovery, Analysis and Retrieval of Multimodal Environmental Information". Third Edition. IGI Global, 1 June 2015. 4528-4542. OPEN ACCESS
  12. S. Vrochidis, A. Moumtzidou, I. Kompatsiaris. "Enhancing Patent Search with Content-based Image Retrieval". Professional Search in the Modern World, Lecture Notes in Computer Science Volume 8830, 31 January 2014, pp 250-273. OPEN ACCESS
  13. F. Bellotti, S. Vrochidis, M. Pellegrino, I. Tsampoulatidis, P. Lhoas, G. Bo, A. De Gloria, I. Kompatsiaris. "An Integrated Framework for Personalized t-learning". in Cases on Transnational Learning and Technologically Enabled Environments, pages 118-135, Siran Mukerji and Purnendu Tripathi (Editors), IGI Global, ISBN13: 9781615207497, 31 January 2010. OPEN ACCESS
  14. S. Vrochidis, F. Bellotti, G. Bo, Linda Napoletano and I. Kompatsiaris. "T-Learning Technologies", in Encyclopedia of Information Science and Technology (2nd Edition). Mehdi Khosrow-Pour (Editor), IGI Global, vol. VIII, pp. 3765-3771, 1 October 2008. OPEN ACCESS
  15. A. Ozolina, A. Kapenieks, B. Zuga, M. Jirgensons, F. Bellotti, S. Vrochidis, Y. Kompatsiaris, I. Tsampoulatidis. "Designing Attractive T-Learning Courses Applications for Interactive Digital TV". An-nual Proceedings of Vidzeme University College, ICTE in Regional Development, 2007, Valmiera, Latvia, pp 87-95, ISBN 9984-633-10-1. OPEN ACCESS
  1. A. Karakostas, G. Apostolou, R. Poler, B. Andrés, R. Trevino, A. M. Nowak-Meitinger, R. Jochem, S. Vrochidis, ''How to Collect Factories’ Requirements for Smart Manufacturing in Context of Quality Control: the i4Q Approach'', 29th IEEE International Requirements Engineering Conference, 20-24 September 2021 (accepted for publication).
  2. Κ. Gkountakos, D.Touska, K. Ioannidis, T. Tsikrika, S. Vrochidis, & I. Kompatsiaris (2021, August). Spatio-temporal activity detection and recognition in untrimmed surveillance videos. In Proceedings of the 2021 International Conference on Multimedia Retrieval.
  3. C. Iliou, T. Kostoulas, T. Tsikrika, V. Katos, S. Vrochidis, and I. Kompatsiaris, “Web Bot Detection Evasion Using Generative Adversarial Networks”, In Proceedings of the 2021 IEEE International Conference on Cyber Security and Resilience, IEEE, 26-28 July, 2021 (accepted for publication).
  4. P. Evangelatos, C. Iliou, T. Mavropoulos, K. Apostolou, T. Tsikrika, S. Vrochidis and I. Kompatsiaris,"Named Entity Recognition in Cyber Threat Intelligence Using Transformer-based Models", in the proceedings of the 2021 IEEE International Conference on Cyber Security and Resilience (IEEE CSR) – Workshops, Virtual Conference, July 26 (Mon) – 28 (Wed), 2021 (accepted for publication).
  5. P. Panagiotou, C. Iliou, K. Apostolou, T. Tsikrika, S. Vrochidis, P. Chatzimisios, I. Kompatsiaris, "Towards Selecting Informative Content for Cyber Threat Intelligence", In the proceedings of the 2021 IEEE International Conference on Cyber Security and Resilience (IEEE CSR) – Workshops, Virtual Conference, July 26 (Mon) – 28 (Wed), 2021 (accepted for publication).
  6. N. Oikonomou, N. Mengidis, M. Spanopoulos-Karalexidis, A. Voulgaridis, M. Merialdo, I. Raisr, K. Hanson, P. de La Vallee, T. Tsikrika, S. Vrochidis and K. Votis, "ECHO Federated Cyber Range: Towards Next-Generation Scalable Cyber Ranges", in the proceedings of the 2021 IEEE International Conference on Cyber Security and Resilience (IEEE CSR) – Workshops, Virtual Conference, July 26 - 28, 2021 (accepted for publication).
  7. S. Andreadis, I. Gialampoukidis, A. Manconi, D. Cordeiro, V. Conde, M. Sagona, F. Brito, N. Pantelidis, T. Mavropoulos, N. Grosso, S. Vrochidis and I. Kompatsiaris, "Earthquakes: from Twitter detection to EO data processing", 5th International Conference on Dynamics of Disasters (DOD 2021), 15-18 July 2021, Virtual (accepted for publication).
  8. K. Gkountakos, K. Ioannidis, T.Tsikrika, S. Vrochidis, & Ι. Kompatsiaris (2021, June). Crowd Violence Detection from Video Footage. In 2021 International Conference on Content-Based Multimedia Indexing (CBMI). IEEE.
  9. I. Gialampoukidis , A. Moumtzidou, M. Bakratsas , S. Vrochidis, I. Kompatsiaris, “A multimodal tensor-based late fusion approach for satellite image search in Sentinel 2 images “, 27th International Conference on Multimedia Modeling, (MMM 2021), Prague, Czech Republic, 22-24 June, 2021, (accepted for publication).
  10. P. Giannakeris, A. Tsanousa, A. Mavropoulos, G. Meditskos, S. Vrochidis, I. Kompatsiaris, “Fusion of Multimodal Sensor Data for Effective Human Action Recognition in the Service of a Medicine-Oriented Platform”, Special Session on MULTIMED2021: Multimedia and Multimodal Analytics in the Medical Domain and Pervasive Environments, 27th International Conference on Multimedia Modelling (MMM2021), in Prague, Czech Republic, 22-24 June, 2021,(accepted for publication).
  11. R. Poler, A. Karakostas, S. Vrochidis, A. Marguglio, S. Gálvez-Settier, P. Figueiras, A. Gómez-González, B. Mandler, S. Wellsandt, R. Trevino, S. Bassoumi, C. Agostinho, "An IoT-based Reliable Industrial Data Services for Manufacturing Quality Control", 2021 IEEE International Conference on Engineering, Technology and Innovation, 21-23 June 2021 (accepted for publication).
  12. A. Karakostas, F, Fraile, R. Poler, S. Vrochidis, ''Industrial Data Services for Quality Control in Smart Manufacturing - the i4Q Framework'', 2021 IEEE International Workshop on Metrology for Industry 4.0 and IoT, 07-09 June 2021 (accepted for publication).
  13. S. Andreadis, I. Gialampoukidis, V. Sitokonstantinou, B. Coloru, H. Vervaeren, E. López, V. Kalogirou, P. Syropoulou, E. B. Kosmatopoulos, S. Vrochidis, E. Li Santi, G. Vingione, I. Kompatsiaris, “CALLISTO: Copernicus Artificial Intelligence Services and data fusion with other distributed data sources and processing at the edge to support DIAS and HPC infrastructures”, Big Data from Space 2021, 18-20 May 2021, Virtual (accepted for publication). OPEN ACCESS
  14. K. Gkountakos, D. Galanopoulos, M. Mpakratsas, D. Touska, A. Moumtzidou, K. Ioannidis, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, “ITI-CERTH participation in TRECVID 2020”, Proc. TRECVID 2020 Workshop, Gaithersburg, MD, USA, Dec. 2020. OPEN ACCESS
  15. M. Rousi, G. Meditskos, S. Vrochidis, I. Kompatsiaris,“Supporting the Discovery and Reuse of Digital Content in Creative Industries using Linked Data”, 15th IEEE International Conference on Semantic Computing, (ICSC 2021), 27-29 January, 2021. OPEN ACCESS
  16. G. Orfanidis, K. Ioannidis,A. Tefas S. Vrochidis, Y. Kompatsiaris,“A modified Single-Shot multibox Detector for beyond Real-Time Object Detection” 25th International Conference on Pattern Recognition, (ICPR 2020), Milan, Italy, 10 & 15 January 2021.
  17. E.Batziou, P.Alvanitopoulos, K.Ioannidis, I.Patras, S.Vrochidis,I.Kompatsiaris, ''Cycle-Consistent Adversarial Networks and Fast Adaptive Bi-dimensional Empirical Mode Decomposition for Style Transfer'', 25th International Conference on Pattern Recognition (ICPR 2020), Milan, Italy, 10 & 15 January 2021.
  18. Α. Tsanousa , V.R. Xefteris , D. Ntioudis , C. Chatzigeorgiou, G. Meditskos , S. Vrochidis, C. Patrikakis, I. Kompatsiris , ''Localization module for missing child scenario in IoT safety domains'', 39th International Conference on consumer Electronics (ICCE 2021), 10-12 January 2021. OPEN ACCESS
  19. W. Yao, A. Moumtzidou , C. O. Dumitru, S. Andreadis, I. Gialampoukidis, S. Vrochidis, M. Datcu, I. Kompatsiaris, ''Early and Late Fusion of Multiple Modalities in Sentinel Imagery and Social Media Retrieval'' , 11th IAPR International Workshop on Pattern Recognition in Remote Sensing (PRRS 2020/2021), in conjunction with the International Conference on Pattern Recognition (ICPR 2020), 10 January 2021. OPEN ACCESS
  20. S. Mille, S. Symeonidis, M. Rousi, M. Marimon Felipe, K. Stavrothanasopoulos, P. Alvanitopoulos, R. Carlini Salguero, J. Grivolla, G. Meditskos, S. Vrochidis and L. Wanner, ''A Case Study of NLG from Multimedia Data Sources: Generating Architectural Landmark Descriptions'', in WebNLG+: 3rd Workshop on Natural Language Generation from the Semantic Web, (INLG 2020), 15-18 December 2020. OPEN ACCESS
  21. G. Meditskos, Z. Vasileiou, A. Karakostas, S. Vrochidis and I. Kompatsiaris, “A Pattern-based Semantic Lifting of Cloud and HPC Applications using OWL 2 Meta-modelling”, Special Session on High Performance Services Computing and Internet Technologies, International Conference on High Performance Computing & Simulation (HPCS 2020), Barcelona Spain, 10-14 December 2020. OPEN ACCESS
  22. M. Bakratsas; A. Moumtzidou; I. Gialampoukidis; S. Vrochidis; I. Kompatsiaris: "Sentinel 1 and DEM Data Fusion with Neural Network Classification in Water Body Detection", EO FOR WATER CYCLE SCIENCE (EO4WATER 2020), Online Event, 16 -19 November 2020. OPEN ACCESS
  23. C. Mourtzios, D. Kourtesis, N. Papadimitriou, G. Antzoulatos, I.-O. Kouloglou, S. Vrochidis, I. Kompatsiaris, “Work-In-Progress: SMART-WATER, a Νovel Τelemetry and Remote Control System Infrastructure for the Management of Water Consumption in Thessaloniki”, in the International Conference on Interactive Mobile Communication Technologies and Learning, (IMCL 2019),  Mediterranean Palace Hotel, Thessaloniki, Greece, 31 October - 1 November 2019. OPEN ACCESS
  24. D. Chatzakou, J. Soler-Company, T. Tsikrika, L. Wanner, S. Vrochidis, I. Kompatsiaris, “User Identity Linkage in Social Media Using Linguistic and Social Interaction Features”, In Proceedings of the 2020 ACM on Web Science Conference, (WEBSCI 2020), 6-10 July 2020. OPEN ACCESS
  25. D. Ntioudis, E Kamateri, G. Meditskos, A. Karakostas, F. Huber, R. Bratska, S. Vrochidis, B. Akhgar, I. Kompatsiaris, “IMMERSE: A Personalized System Addressing the Challenges of Migrant Integration”, IEEE International Conference on Multimedia and Expo (ICME 2020), Workshop on ICT and Multimedia Tools for Migrants Inclusion in Host societies (WIMMIH 2020), 10 July 2020. OPEN ACCESS
  26. I. Kumara, Z. Vasileiou, G. Meditskos, D. Tamburri, W.J. Van Den Heuvel, A. Karakostas, S. Vrochidis and I. Kompatsiaris, “Towards Semantic Detection of Smells in Cloud Infrastructure Code”, 10th International Conference on Web Intelligence, Mining and Semantics (WIMS 2020) 3 July 2020. OPEN ACCESS
  27. A.Karakostas,E. Nikolaidis, S.Vrochidis,S. Demetriadis, Y. Kompatsiaris, ''colMOOC – an Innovative Conversational Agent Platform to Support MOOCs'', In IEEE 20th International Conference on Advanced Learning Technologies (ICALT 2020), 1 July 2020. OPEN ACCESS
  28. K.Gkountakos, K.Ioannidis, T.Tsikrika, S.Vrochidis, I.Kompatsiaris,''A Crowd Analysis Framework for Detecting Violence Scenes'', In Proceedings of the 2020 International Conference on Multimedia Retrieval (ICMR 2020), Dublin, Ireland, 8-11 June 2020. OPEN ACCESS
  29. E.A. Stathopoulos, A. Kokkalas, E.E. Mitsopoulou, A.T. Patenidis, G. Meditskos, S. Diplaris, I. Paliokas, S. Vrochidis, K. Votis, D. Tzovaras, and I. Kompatsiaris, ''Knowledge-based Management and Reasoning on Cultural and Natural Touristic Detours'', In: Maglogiannis I., Iliadis L., Pimenidis E. (eds) Artificial Intelligence Applications and Innovations, (AIAI 2020), Advances in Information and Communication Technology, (IFIP), vol 583. Springer, Cham, 8 June 2020. OPEN ACCESS
  30. D. Ntioudis, A. Chatzimichail, G. Meditskos, S. Vrochidis, I. Kompatsiaris, “Ontology-based Reasoning for Critical Incidents in Public Events”, 1st International Workshop on IoT infrastructures for safety in pervasive environments (IoT4SAFE), 2 June, 2020. OPEN ACCESS
  31. A.Koufakis, D.Chatzakou, G.Meditskos, T.Tsikrika, S.Vrochidis, I.Kompatsiaris, “Semantic Web Technologies in Fighting Crime and Terrorism: The CONNEXIONs Approach”, Invited talk in 1st International Workshop on IoT infrastructures for safety in pervasive environments (IoT4SAFE), 2 June, 2020. OPEN ACCESS
  32. G. Antzoulatos, P. Giannakeris, I. Koulalis, A. Karakostas, S. Vrochidis, I. Kompatsiaris, “A Multi-Layer Fusion Approach For Real-Time Fire Severity Assessment Based on Multimedia Incidents”, In Proceedings of the 17th International Conference on Information Systems for Crisis Response and Management, (ISCRAM 2020), (eds. Amanda Lee Hughes, Fiona McNeil and Christopher Zobel), 24- 27 May 2020. OPEN ACCESS
  33. A. Moumtzidou, M. Bakratsas,S. Andreadis, A.Karakostas, I. Gialampoukidis,S.Vrochidis, I. Kompatsiaris,'' Flood detection with Sentinel-2 satellite images in crisis management systems'', 17th International Conference on Information Systems for Crisis Response and Management (ISCRAM 2020), Blacksburg, Virginia, USA,  24-27 May 2020. OPEN ACCESS
  34. K. Gkountakos, K. Ioannidis, S. Vrochidis, I. Kompatsiaris, “ITI-CERTH participation in TRECVID 2019”, Proc. TRECVID 2019 Workshop, Gaithersburg, MD, USA, Nov. 2019. OPEN ACCESS
  35. A. Katmada, G. Kalpakis, T. Tsikrika, S. Vrochidis & Y. Kompatsiaris, “An extensible framework for interactive real-time visualizations of large-scale heterogeneous multimedia information from online sources”, Proceedings of the International Conference on Multimedia Modeling (MMM 2020), Special Session on “Multimedia Analytics: Perspectives, Tools and Applications”, Daejeon, Korea, 5-8 January 2020. OPEN ACCESS
  36. S. Andreadis, A. Moumtzidou, K. Apostolidis, K. Gkountakos, D. Galanopoulos, E. Michail, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, “VERGE in VBS 2020”, Proc. 26th Int. Conf. on Multimedia Modeling (MMM 2020), Daejeon Convention Center (DCC), Korea 5-8 January 2020. OPEN ACCESS
  37. A. Tsanousa, A. Chatzimichail, G. Meditskos, S. Vrochidis, I. Kompatsiaris, “Model-based and Class-based Fusion of Multisensor Data”, Special Session on Multimedia and Multimodal Analytics in the Medical Domain and Pervasive Environments (MULTIMED 2020), International Conference on Multimedia Modeling (MMM 2020), Daejeon, Korea, 5-8 January 2020. OPEN ACCESS
  38. N. Bastas, G. Kalpakis, T. Tsikrika, S. Vrochidis & Y. Kompatsiaris, “A comparative study of clustering methods using word embeddings”, Proceedings of the European Intelligence and Security Informatics Conference (EISIC 2019), Oulu, Finland, 24-26 November 2019. OPEN ACCESS
  39. A. Chatzimichail, A. Tsanousa, G. Meditskos, S. Vrochidis, and I. Kompatsiaris, ''RSSI Fingerprinting Techniques for Indoor Localization Datasets'', International Conference on Interactive Mobile Communication, Technologies and Learning, (IMCL 2019), Thessaloniki, Greece, 31 October - 1 November 2019. OPEN ACCESS
  40. G. Meditskos, S. Vrochidis, I. Kompatsiaris, “V4Ann: Representation and Interlinking of Atom-based Annotations”, In: Acosta M., Cudre-Mauroux P., Maleshkova M., Pellegrini T., Sack H., Sure-Vetter Y. (eds) Semantic Systems. The Power of AI and Knowledge Graphs, (SEMANTiCS 2019), Lecture Notes in Computer Science, vol 11702, pp 124-139, Springer, Cham, 1 November 2019. OPEN ACCESS
  41. G. Orfanidis, S. Apostolidis, G. Prountzos, M. Riga, A. Kapoutsis, K. Ioannidis, E. Kosmatopoulos, S. Vrochidis, I. Kompatsiaris, “Border surveillance using computer vision enabled robotic swarms for semantically enriched situational awareness”, Mediterranean Security Event, (MSE 2019), Heraklion, Greece, 29 - 31 October 2019.
  42. S. Andreadis, M. Bakratsas, P. Giannakeris, A. Moumtzidou, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, “Multimedia Analysis Techniques for Flood Detection Using Images, Articles and Satellite Imagery”, in Proceedings of the Working Notes Proceeding MediaEval Workshop, Sophia Antipolis, France, 27-29 October 2019. OPEN ACCESS
  43. C. Iliou, T. Tsikrika, G. Kalpakis, S. Vrochidis, I. Kompatsiaris,''Adaptive focused crawling using online learning: A study on content related to Islamic extremism'', 5th International conference ‘Internet Science’ (INSCI 2018), 24-26 October 2018, St. Petersburg, Russia. OPEN ACCESS
  44. M. Bakratsas, A. Moumtzidou, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, “A Deep Neural Network Slope Reduction Model on Sentinel-1 Images for Water Mask Extraction”, 40th Asian Conference on Remote Sensing (ACRS 2019), Daejeon Convention Center (DCC), Korea, 14-18 October 2019. OPEN ACCESS
  45. L. Gale, B. Valentin, G. Vingione, G. Scarpino, H. Boulahya, D. Hoppe, I. Gialampoukidis, S. Andreadis, S. Vrochidis, I. Kompatsiaris, L. Zhong, M. Ferri, D. Norbiato, F. Zaffanella, L. Marzell, T. Pettengell, A. Karppinen, J. Tyynela, P. Karsisto, H. Yoon, “H2020 EOPEN Easing Copernicus data & services exploitation”, 40th Asian Conference on Remote Sensing (ACRS 2019), Daejeon Convention Center (DCC), Korea 14-18 October 2019. OPEN ACCESS
  46. P. Mitzias, E. Kontopoulos, J. Staite, T. Day, G. Kalpakis, T. Tsikrika, H. Gibson, S. Vrochidis, B. Akhgar, & Υ. Kompatsiaris, “Deploying Semantic Web Technologies for Information Fusion of Terrorism related Content and Threat Detection on the Web”, Proceedings of the Security Analytics and Cyber Threat Intelligence on the Web (SACTI 2019) workshop, in conjunction with the IEEE/WIC/ACM International Conference on Web Intelligence (WI 2019), Thessaloniki, Greece, 14-17 October 2019. OPEN ACCESS
  47. E. A. Stathopoulos, I. Paliokas, G. Meditskos, S. Diplaris, G. Pehlivanides, S. Tsafaras, E. Valkouma, C. Riggas, S. Vrochidis, K. Votis, D. Tzovaras, and I. Kompatsiaris, ''Smart Discovery of Cultural and Natural Tourist Routes'', Workshop On Social Innovation And Web Intelligence, International Conference on Web Intelligence, (IEEE/WIC/ACM 2019), Thessaloniki, 14–17 October 2019. OPEN ACCESS
  48. P. Alvanitopoulos, S. Diplaris, B. de Gelder, A. Shvets, M. Benayoun, P, Koulali, A. Moghnieh, Y. Shekhawat, C. Stentoumis, T. Hosmer, R. Anadol, M. Borreguero, A. Martin, P. Sciama, K. Avgerinakis, P. Petrantonakis, A. Briassouli, S. Mille, A. Tellios, L. Fraguada, H. Sprengel, I. Kalisperakis, N. Cabanas, S. Nikolopoulos, S. Skouras, V. Vogler, D. Zavraka, J. Piesk, L. Grammatikopoulos, L. Wanner, T. Klein, S. Vrochidis, I. Kompatsiaris, ''MindSpaces: Art-driven adaptive outdoors and indoors design'', In Ninth International Conference on Digital Presentation and Preservation of Cultural and Scientific Heritage, (DiPP 2019), Burgas, Bulgaria, 26–28 September, 2019, pp 391-400. OPEN ACCESS
  49. G. Orfanidis, S. Apostolidis, A. Kapoutsis, K. Ioannidis, E. Kosmatopoulos, S. Vrochidis, & I. Kompatsiaris , ''Autonomous swarm of heterogeneous robots for surveillance operations'' Workshop on Vision-enabled UAV and counter-UAV technologies for surveillance and security of critical infrastructures (UAV4S 2019), Thessaloniki, Greece, 25 September 2019. OPEN ACCESS
  50. A. Moumtzidou, M. Bakratsas, S. Andreadis, I. Gialampoukidis, S. Vrochidis and I. Kompatsiaris,“Road passability estimation using deep neural networks and satellite image patches”, Proc. of the 2019 conference on Big Data from Space (BiDS 2019), pp. 1–4, Munich, Germany,10 September 2019. OPEN ACCESS
  51. E. Kamateri, G. Meditskos, S. Symeonidis, S. Vrochidis, I. Kompatsiaris, W. Minker, “Knowledge-based Intelligence and Strategy Learning for Personalised Virtual Assistance in the Healthcare Domain”, Semantic Technologies for Healthcare and Accessibility Applications (SyMpATHY), special session in the 13th International Conference on Advances in Semantic Processing (SEMAPRO 2019), 1 September 2019. OPEN ACCESS
  52. C. Iliou, T. Kostoulas, T. Tsikrika, V. Katos, S. Vrochidis, and Y. Kompatsiaris, '' Towards a framework for detecting advanced Web bots'', In Proceedings of the 14th International Conference on Availability, Reliability and Security, (ARES 2019), p. 18. ACM, 26 August 2019. OPEN ACCESS
  53. M.Krestenitis, G. Orfanidis, K.Ioannidis, K.Avgerinakis, S.Vrochidis, & I.Kompatsiaris,''Oil spill identification from satellite images using deep neural networks'', Remote Sensing, 11(15), 1762, 26 July 2017. OPEN ACCESS
  54. A. Tsanousa, G. Meditskos, S. Vrochidis, I. Kompatsiaris, “A Weighted Late Fusion Framework for Recognizing Human Activity from Wearable Sensors”, 10th International Conference on Information, Intelligence, Systems and Applications, (IISA 2019), 15-17 July 2019. OPEN ACCESS
  55. T. Mavropoulos, G. Meditskos, E. Kamateri, S. Symeonidis, D. Tzimikas, L. Papageorgiou, C. Eleftheriadis, G. Adamopoulos, S. Vrochidis, I. Kompatsiaris, ''A Smart Dialogue-competent Monitoring Framework Supporting People in Rehabilitation'', In Multimodal Signal Sensing and Analysis for Assistive Environments for Improving Quality-Of-Life (AGENT Workshop), 12th Pervasive Technologies Related to Assistive Environments Conference (PETRA 2019). ACM, Rhodes ,Greece, 5-7 June 2019. OPEN ACCESS
  56. A. Chatzimichail, C. Chatzigeorgiou, F. Andritsopoulos, C. Karaberi, G. Meditskos, P. Kasnesis, D. Kogias, G. Gorgogetas, A. Tsanousa, S. Vrochidis, C. Patrikakis and I. Kompatsiaris, Smart Interconnected Infrastructure for Security and Safety in Public Places, International Workshop on IoT Applications and Industry 4.0, co-located with the International Conference on Distributed Computing in Sensor Systems,(DCOSS 2019), Santorini Island, Greece, 29-31 May 2019. OPEN ACCESS
  57. T. Mavropoulos, G. Meditskos, E. Kamateri, S. Vrochidis and I. Kompatsiaris, ''REA: A Healthcare-Oriented Virtual Agent with Dialogue Capabilities'', 8th Panhellenic Conference on Biomedical Technology, Hellenic Society for Biomedical Technology (ELEVIT 2019), Athens, Greece, 9-10 May 2019. OPEN ACCESS
  58. E. Kamateri, T. Tsikrika, S. Symeonidis, S. Vrochidis, W. Minker and Y. Kompatsiaris,“A Test Collection for Passage Retrieval Evaluation of Spanish Health-Related Resources”, 41st European Conference on Information Retrieval (ECIR 2019), 14-18 April 2019, Cologne, Germany. OPEN ACCESS
  59. G. Vingione, G. Scarpino, L. Marzell, T. Pettengell, I. Gialampoukidis, S. Andreadis, S. Vrochidis, I. Kompatsiaris, B. Valentin, L. Gale, W.-K. Lee, W. Lee, M. Gienger, D. Hoppe, V. Sitokonstantinou, I. Papoutsis, C. Kontoes, F. Baruffi, M. Ferri, H. Yoon, A. Karppinen and A.-M. Harri,“EOPEN: Open interoperable platform for unified access and analysis of earth observation data”, Proc. of the 2019 conference on Big Data from Space (BiDS 2019),pp. 1–4, Munich, Germany, 1 November 2019. OPEN ACCESS
  60. G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, ''Identifying terrorism-related key actors in multidimensional social networks'', Proc. 25th Int. Conf. on Multimedia Modeling (MMM 2019), Thessaloniki, Greece, 11 January 2019. OPEN ACCESS
  61. M. Krestenitis, G. Orfanidis, K. Ioannidis, K. Avgerinakis, S. Vrochidis and I. Kompatsiaris,''Early Identification of Oil Spills in Satellite Images Using Deep CNNs'', In International Conference on Multimedia Modeling (MMM 2019), (pp. 424-435), Springer, Cham, 11 January 2019. OPEN ACCESS
  62. S. Andreadis, A. Moumtzidou, D. Galanopoulos, F. Markatopoulou, K. Apostolidis, T. Mavropoulos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, “VERGE in VBS 2019”, Proc. 25th Int. Conf. on Multimedia Modeling (MMM 2019), Thessaloniki, Greece, Springer LNCS vol. 11296, pp. 602-608, 8-11 January 2019. OPEN ACCESS
  63. P. Giannakeris, G. Meditskos, K. Avgerinakis, S. Vrochidis, I. Kompatsiaris, “Real-time Recognition of Daily Actions based on 3D Joint Movements and Fisher Encoding”, Special Session on Multimedia and Multimodal Analytics in the Medical Domain and Pervasive Environments (MULTIMED 2020), International Conference on Multimedia Modeling (MMM 2020), Daejeon, Korea, 5-8 January 2020. OPEN ACCESS
  64. G. S. Antzoulatos, A. Karakostas, S. Vrochidis, F. Lombardo, D. Norbiato, M. Ferri, I. Kompatsiaris,''A Crisis Classification System for flood risk assessment: the beAWARE project'', 2nd International Conference Citizen Observatories for natural hazards and Water Management (COWM 2018), 27-30 November 2018, Venezia, Italy. OPEN ACCESS
  65. S. Andreadis, I. Gialampoukidis, R. Fiorin, F. Lombardo, D. Norbiato, A. Karakostas, M. Ferri, S. Vrochidis and I. Kompatsiaris,"Social Media Observations for Flood Event Monitoring in Italy over a One-Year Period", 2nd International Conference Citizen Observatories for natural hazards and Water Management (COWM 2018), 27-30 November 2018, Venezia, Italy. OPEN ACCESS
  66. E. Kontopoulos, P. Mitzias, S. Dasiopoulou, J. Mo?graber, S. Mille, P. Hertweck, T. Hellmund, A. Karakostas, S. Vrochidis, L. Wanner, I. Kompatsiaris,''Applying Semantic Web Technologies for Decision Support in Climate-Related Crisis Management'', 2nd International Conference Citizen Observatories for natural hazards and Water Management (COWM 2018), 27-30 November 2018, Venezia, Italy. OPEN ACCESS
  67. I. Gialampoukidis, A. Moumtzidou, M. G. Scarpino, G. Palumbo, S. Vrochidis, I. Kompatsiaris, F. Zaffanella, D. Norbiato, M. Ferri, & G.Vingione,''Earth Observation and Social Multimedia Data Fusion for Natural Hazards and Water Management: The H2020 EOPEN Project Paradigm”, 2nd International Conference Citizen Observatories for natural hazards and Water Management, (COWM 2018), Venice, 27-30 November 2018. OPEN ACCESS
  68. K. Avgerinakis, A. Moumtzidou, D. Galanopoulos, G. Orfanidis, S. Andreadis, F. Markatopoulou, E. Batziou, K. Ioannidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris,''ITI-CERTH participation in TRECVID 2018'', Proc. TRECVID 2018 Workshop, Gaithersburg, MD, USA, 1 November 2018. OPEN ACCESS
  69. E. Batziou, E. Michail, K. Avgerinakis, S. Vrochidis, I. Patras, and I. Kompatsiaris, ''Visual and Audio Analysis of Movies Video for Emotion Detection@ Emotional Impact of Movies Task MediaEval 2018'', In MediaEval  Workshop 2018, Sophia Antipolis, France, 29-31 October 2018. OPEN ACCESS
  70. A. Moumtzidou, P. Giannakeris, S. Andreadis, A. Mavropoulos, G. Meditskos, I. Gialampoukidis, K. Avgerinakis, S. Vrochidis and I. Kompatsiaris, “A multimodal approach in estimating road passability through a flooded area using social media and satellite images”, @ multimedia satellite task MediaEval. In Proceedings of the Working Notes Proceeding MediaEval Workshop, Sophia Antipolis, France, 29-31 October, 2018. OPEN ACCESS
  71. P. Giannakeris, S. Vrochidis, I. Kompatsiaris, “Multimodal Fusion of Appearance Features, Optical Flow and Accelerometer Data for Speech Detection”, in Proceedings of the Working Notes Proceeding MediaEval Workshop, Sophia Antipolis, France, 27-29 October 2018. OPEN ACCESS
  72. G. Orfanidis, K. Ioannidis, K. Avgerinakis, S. Vrochidis and I. Kompatsiaris.,''A deep neural network for oil spill semantic segmentation in SAR images'', To be presented in IEEE Int. Conf. on Image Processing (ICIP 2018), Athens, Greece, 10 October 2018. OPEN ACCESS
  73. G. Vingione, L. Marzell, E. Cadau., I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, B. Valentin, M. Melcott, L. Gale, W.-K. Lee, S. Woo, M. Gienger, D. Hoppe, C. Kontoes, I. Papoutsis, M. Ferri, F. Baruffi, J. Yoon, H. Yoon, A. Karppinen, A.-M. Harri, ''THE H2020-EO EOPEN PROJECT'', INSPIRE Conference, (INSPIRE 2018), 18-21 September 2018, Antwerp, Belgium (poster presentation). OPEN ACCESS
  74. L. Wen, P. Zhu, D. Du, X. Bian, H. Ling, Q. Hu, C. Liu, H. Cheng, X. Liu, W. Ma, Q. Nie, H. Wu, L. Wang, A. G. Perera, B. Zhang, B. Heo, C. Liu, Do. Li, E. Michail, H. Chen, H. Liu, H. Li, I. Kompatsiaris, J. Cheng, J. Fan, J. Zhang, J. Y. Choi, J. Li, J. Yang, J. Choi, J. Zhao, J. Han, K. Zhang, K. Duan, K. Song, K. Avgerinakis, K. Lee, L. Ding, M. Lauer, P. G., P. Zhang, Q. Wang, Q. Xu, Q. Huang, Q. Liu, R. Laganire, R. Zhang, S. Yun, S. Zhu, S. Wu, S. Vrochidis, W. Tian, W. Zhang, W. Chen, W. Hu, W. Wang, W. Zhang, W. Ding, Xi. He, X. Li, X. Zhang, X. Luo, X. Hu, Y. Meng, Y. Kuai, Y. Zhao, Y. Li, Y. Yang, Y. Zhang, Y. Wang, Y. Qi, Z. Deng, and Z. He,“VisDrone-SOT2018: The Vision Meets Drone Single-Object Tracking Challenge Results”, Proceedings of the European Conference on Computer Vision (ECCV 2018). 14 September 2018. OPEN ACCESS
  75. P. Zhu, L. Wen, D. Du, X. Bian, H. Ling, Q. Hu, Q. Nie, H. Cheng, C. Liu, X. Liu, W. Ma, H. Wu, L. Wang, A. Schumann, C. Brown, C. Qian, C. Li, D. Li, E. Michail, F. Zhang, F. Ni, F. Zhu, G. Wang, H. Zhang, H. Deng, H. Liu, H. Wang, H. Qiu, H. Qi, H. Shi, H. Li, H. Xu, H. Lin, I. Kompatsiaris, J. Cheng, J. Wang, J. Yang, J. Zhou, J. Zhao, KJ. Joseph, K. Duan, K. Suresh, K. Bo, K. Wang, K. Avgerinakis, L. Sommer, L. Zhang, L. Yang, L. Cheng, L. Ma, L. Lu, L. Ding, M. Huang, N. K. Vedurupaka, N. Mamgain, N. Bansal, O. Acatay, P. Giannakeris, Q. Wang, Q. Zhao, Q. Huang, Q. Liu, Q. Cheng, Q. Sun, R. Laganire, S. Jiang, S. Wang, S. Wei, S. Wang, S. Vrochidis, S. Wang, T. Lee, U. Sajid, V. N. Balasubramanian, W. Li, W. Zhang, W. Wu, W. Ma, W. He, W. Yang, X. Chen, X. Sun, X. Luo, X. Lian, X. Li, Y. Kuai, Y. Li, Y. Luo, Y. Zhang, Y. Liu, Y. Li, Y. Wang, Y. Wang, Y. Wu, Y. Fan, Y. Wei, Y. Zhang, Z. Wang, Z. Wang, Z. Xia, Z. Cui, Z. He, Z. Deng, Z. Guo and Z. Song,“Visdrone-det2018: The vision meets drone object detection in image challenge results”,  Proceedings of the European Conference on Computer Vision (ECCV 2018), 14 September 2018. OPEN ACCESS
  76. P. Zhu, L. Wen, D. Du, X. Bian, H. Ling, Q. Hu, H. Wu, Q. Nie, H. Cheng, C. Liu, X. Liu, W. Ma, L. Wang, A. Schumann, D. Wang, D. Ortego, E. Luna, E. Michail, E. Bochinski, F. Ni, F. Bunyak, G. Zhang, G. Seetharaman, G. Li, H. Yu, I. Kompatsiaris, J. Zhao, J. Gao, J. M. Martinez, J. C. San Miguel, K. Palaniappan, K. Avgerinakis, L. Sommer, M. Lauer, M. Liu, N. M. Al-Shakarji, O. Acatay, P. Giannakeris, Q. Zhao, Q. Ma, Q. Huang, S. Vrochidis, T. Sikora, T. Senst, W. Song, W. Tian, W. Zhang, Y. Zhao, Y. Bai, Y. Wu, Y. Wang, Y. Li, Z. Pi and Z. Ma,“VisDrone-VDT2018: The vision meets drone video detection and tracking challenge results”, Proceedings of the European Conference on Computer Vision (ECCV 2018), 14 September 2018. OPEN ACCESS
  77. P. Giannakeris, K. Avgerinakis, S. Vrochidis, I. Kompatsiaris, “Activity Recognition from Wearable Cameras”, International Conference on Content-Based Multimedia Indexing (CBMI 2018), 4-6 September 2018. OPEN ACCESS
  78. S. Andreadis, A. Moumtzidou, I. Gialampoukidis, S. Vrochidis and I. Kompatsiaris,''A Flood Monitoring Tool for Urban Areas Using Satellite, Weather and Social Data'', US-Serbia & West Balkan Data Science Workshop 2018 - Big Data and Critical Infrastructures, Belgrade, Serbia, 26-28 August 2018, (poster presentation). OPEN ACCESS
  79. T. Stavropoulos, G. Meditskos, S. Vrochidis and I. Kompatsiaris, ''Activity Recognition and Personalized Feedback Solution for Active and Healthy Ageing'', Intelligent Conversation Agents in Home and Geriatric Care Applications, Held in conjunction with the Federated AI Meeting (FAIM 2018), Stockholm, Sweden, 15 July 2018. OPEN ACCESS
  80. A. Karakostas, S. Vrochidis, Y. Kompatsiaris, B. Kantsepolsky, J. Mossgraber, S. Dasiopoulou, B. Mandler, A. Karppinen, M. Ferri, I. Vourvachis, C. Castro, K. Lintrup,“beWARE: Enhancing Decision Support and Management Services in Extreme Weather Climate Events”, In proceedings of Enviroinfo, Shaker-Verlag, 10 July 2018. OPEN ACCESS
  81. DC. Hilbring, J. Mossgraber, P. Hertweck, T. Hellmund, H. van der Schaaf, A. Karakostas, E. Kontopoulos, I. Gialampoukidis, S. Andreadis, S. Vrochidis, I. Kompatsiaris,“Harmonizing Data Collection in an Ontology for a Risk Management Platform”, In proceedings of Enviroinfo 10 July 2018, Shaker-Verlag OPEN ACCESS
  82. P. Giannakeris, V. Kaltsa, K. Avgerinakis, A. Briassouli, S. Vrochidis and I. Kompatsiaris,"Speed Estimation and Abnormality Detection from Surveillance Cameras'', CVPRW NVIDIA AI City Challenge, 15 June 2018. OPEN ACCESS
  83. P. Giannakeris, K. Avgerinakis, A. Karakostas, S. Vrochidis and I. Kompatsiaris,"People and vehicles in danger - A fire and flood detection system in social media", 13th Workshop on IEEE Image, Video, and Multidimensional Signal Processing (IVMSP 2018), 10-12 June 2018, Zagori, Greece. OPEN ACCESS
  84. I. Gialampoukidis, A. Moumtzidou, S. Vrochidis and Y. Kompatsiaris,"Fusion of Compound Queries with Multiple Modalities for Known Item Video Search", 13th Workshop on IEEE Image, Video, and Multidimensional Signal Processing (IVMSP 2018), 10-12 June 2018, Zagori, Greece. OPEN ACCESS
  85. M. Riga, E. Kontopoulos, K. Karatzas, S. Vrochidis and I. Kompatsiaris, "An Ontology-based Decision Support Framework for Personalized Quality of Life Recommendations", In: 4th International Conference on Decision Support System Technology (ICDSST 2018), 22-25 May 2018, Heraklion, Crete, Greece. OPEN ACCESS
  86. E. Kontopoulos, P. Mitzias, J. Mossgraber, P. Hertweck, H. van der Schaaf, X. Hilbring, F. Lombardo, D. Norbiato, M. Ferri, A. Karakostas, S. Vrochidis, I. Kompatsiaris,"Ontology-based Representation of Crisis Management Procedures for Climate Events", 1st International Workshop on Intelligent Crisis Management Technologies for Climate Events (ICMT 2018), collocated with the 15th International Conference on Information Systems for Crisis Response and Management (ISCRAM 2018), 25 May 2018. OPEN ACCESS
  87. J. Mossgraber, D. Hilbring, H. van der Schaaf, P. Hertweck, E. Kontopoulos, P. Mitzias, I. Kompatsiaris, S. Vrochidis, A. Karakostas,''The Sensor to Decision Chain in Crisis Management'', Int. Conf. on Information Systems for Crisis Response and Management (ISCRAM 2018), 23 May 2018. OPEN ACCESS
  88. A. Moumtzidou, S. Andreadis, I. Gialampoukidis, A. Karakostas, S. Vrochidis and I. Kompatsiaris,“Flood relevance estimation from visual and textual content in social media streams”, WWW 2018 Workshop on Exploitation of Social Media for Emergency Relief and Preparedness (SMERP 2018), 23 April 2018, Lyon, France. OPEN ACCESS
  89. E. Michail, A. Moumtzidou, I. Gialampoukidis, K. Avgerinakis, M. G. Scarpino, S. Vrochidis, G. Vingione, I. Kompatsiaris, K. Labbassi, M. Menenti, F.-E. Elghandour,“Testing a Flood Mask Correction Method Of Optical Satellite Imagery Over Irrigated Agricultural Areas”, 2nd Mapping Water Bodies from Space Conference (MWBS 2018), 27-28 March 2018, ESA-ESRIN Frascati, Italy. OPEN ACCESS
  90. A. Moumtzidou, S. Andreadis, F. Markatopoulou, D. Galanopoulos, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras,"VERGE IN VBS 2018", In International Conference on Multimedia Modeling (ΜΜΜ 2018), 10 February 2018. OPEN ACCESS
  91. G. Vingione, L. Marzell, E. Cadau., I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, B. Valentin, M. Melcott, L. Gale, W.-K. Lee, S. Woo, M. Gienger, D. Hoppe, C. Kontoes, I. Papoutsis, M. Ferri, F. Baruffi, J. Yoon, H. Yoon, A. Karppinen, A.-M. Harri, "The H2020-EO EOPEN project", ESA Conference on Big Data from Space 2017, (BiDS 2017) 28-30 November 2017, Toulouse, France. OPEN ACCESS
  92. T. Tsikrika, S. Symeonidis, I. Gialampoukidis, A. Satsiou, S. Vrochidis, I. Kompatsiaris, ''A Hybrid Recommendation System Based on Density-Based Clustering '' , In: Diplaris S., Satsiou A., Folstad A., Vafopoulos M., Vilarinho T. (eds) In International Conference on Internet Science, (INSCI 2017), International Workshops, IFIN, DATA ECONOMY, DSI, and CONVERSATIONS, Revised Selected Papers. Lecture Notes in Computer Science, vol 10750. Springer, Cham 24 November 2017. OPEN ACCESS
  93. E. Batziou, I. Gialampoukidis, S. Vrochidis, I. Antoniou, I. Kompatsiaris, "Unsupervised Keyword Extraction Using the GoW Model and Centrality Scores", In International Conference on Internet Science, (INSCI 2017),pp. 344-351. Springer, Cham, 24 November 2017. OPEN ACCESS
  94. S. Andreadis, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "A Topic Detection and Visualisation System on Social Media Posts", In International Conference on Internet Science, (INSCI 2017),pp. 421-427. Springer, Cham, 22 -24 November 2017. OPEN ACCESS
  95. L. Wanner, E. Andre, J. Blat, S. Dasiopoulou, M. Farrus, T. Fraga, E. Kamateri, F. Lingenfelser, G. Llorach, O. Martinez, G. Meditskos, S. Mille, W. Minker, L. Pragst, D. Schiller, A. Stam, L. Stellingwerff, F. Sukno, B. Vieru, S. Vrochidis, ''Design of knowledge-based agent as a social companion'',  Proceedings of the International Conference on Health and Social Care Information Systems and Technologies (HCist 2017), Barcelona, Catalonia,1 November 2017. OPEN ACCESS
  96. F. Markatopoulou, A. Moumtzidou, D. Galanopoulos, K. Avgerinakis, S. Andreadis, I. Gialampoukidis, S. Tachos, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, “ITI-CERTH participation in TRECVID 2017”, Proc. TRECVID Workshop, Gaithersburg, MD, USA, 1 November 2017. OPEN ACCESS
  97. G. Kalpakis, T. Tsikrika, I. Gialampoukidis, S. Papadopoulos, S. Vrochidis, I., Kompatsiaris, '' Analysis of Suspended Terrorism-Related Content on Social Media'', Community-Oriented Policing and Technological Innovations, 107-118, 27 October 2017. OPEN ACCESS
  98. K. Avgerinakis, P. Giannakeris, A. Briassouli, A. Karakostas, S. Vrochidis, I. Kompatsiaris, “LBP-flow and hybrid encoding for real-time water and fire classification”, IEEE/ISPRS 4th Joint Workshop on Multi-Sensor Fusion for Dynamic Scene Understanding, (ICCV-MSF 2017), 15 October 2017. OPEN ACCESS
  99. I. Gialampoukidis, S. Vrochidis and I. Kompatsiaris,"Crater monitoring through social media observations", In European Planetary Science Congress, (ΕPSC 2017),  17–22 September 2017. OPEN ACCESS
  100. K. Avgerinakis, P. Giannakeris, A. Briassouli, A. Karakostas, S. Vrochidis, I. Kompatsiaris,''Intelligent traffic city management from surveillance systems (CERTH-ITI)'', NVIDIA AI city challenge, IEEE Smart World, 4 August 2017, USA. OPEN ACCESS
  101. K. Avgerinakis, A. Moumtzidou, S. Andreadis, E. Michail, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, “Visual and textual analysis of social media and satellite images for flood detection”, Multimedia Satellite task of MediaEval, 9 July 2017. OPEN ACCESS
  102. I. Gialampoukidis, G. Kalpakis, T. Tsikrika, S. Papadopoulos, S. Vrochidis, I. Kompatsiaris, "Detection of Ter-rorism-related Twitter Communities using Centrality Scores", In Proceedings of International Workshop on Multimedia Forensics and Security (MFSec 2017), Bucharest, Romania, 6 June 2017. OPEN ACCESS
  103. T. Mavropoulos, D. Liparas, S. Symeonidis, S. Vrochidis and I. Kompatsiaris,"A Hybrid Approach for Bio-medical Relation Extraction Using Finite State Automata and Random Forest-Weighted Fusion", Proceedings of the 18th International Conference on Computational Linguistics and Intelligent Text Processing (CICLing 2017), Budapest, Hungary, 17-23 April 2017. OPEN ACCESS
  104. G. Meditskos, S. Vrochidis, I. Kompatsiaris,"Description Logics and Rules for Multimodal Situational Awareness in Healthcare", Special session on Multimedia and Multimodal Interaction for Health and Basic Care Applications , (MMI 2017), 4-6 January 2017. OPEN ACCESS
  105. A. Moumtzidou, T. Mironidis, F. Markatopoulou, S. Andreadis, I. Gialampoukidis, D. Galanopoulos, A. Ioannidou, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras."VERGE IN VBS 2017". Proc. Video Browser Showdown (VBS 2017) at the 23rd Int. Conf. on MultiMedia Modeling (MMM 2017), Reykjavik, Iceland, 4 January 2017. OPEN ACCESS
  106. G. Meditskos, E. Kontopoulos, S. Vrochidis, & I. Kompatsiaris. ''Ontology-Driven Context Interpretation and Conflict Resolution in Dialogue-Based Home Care Assistance'.' In: Paschke, A., Burger, A., Splendiani, A., Marshall, M.S., and Romano, P. (eds.) 9th Int. Conf. on Semantic Web Applications and Tools for Life Sciences - SWAT4LS. CEUR Workshop Proceedings Vol 1795, Amsterdam, The Netherlands, 1 December 2016. OPEN ACCESS
  107. F. Markatopoulou, A. Moumtzidou, D. Galanopoulos, T. Mironidis, V. Kaltsa, A. Ioannidou, S. Symeonidis, K. Avgerinakis, S. Andreadis, I. Gialampoukidis, S. Vrochidis, A. Briassouli, V. Mezaris, I. Kompatsiaris, I. Patras, ''ITI-CERTH participation in TRECVID 2016'', Proc. TRECVID Workshop, Gaithersburg, MD, USA, 1 November 2016. OPEN ACCESS
  108. I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris,"Incremental estimation of visual vocabulary size for image retrieval", In INNS Conference on Big Data, (INNS 2016), pp. 29-38. Springer International Publishing, 25 October 2016. OPEN ACCESS
  109. I. Gialampoukidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris,"Community Detection in Complex Networks Based on DBSCAN* and a Martingale Process", Semantic and Social Media Adaptation and Personalization (SMAP 2016), 11th International Workshop on, pp. 1-6. IEEE, 1 October 2016. OPEN ACCESS
  110. B. Simeonov, V. Alexiev, D. Liparas, M. Puigbo, S. Vrochidis, E. Jamin and I. Kompatsiaris,"Semantic integration of web data for international investment decision support",  3rd international conference on Internet Science, (INSCI 2016), Florence, Italy, 12-14 September 2016. OPEN ACCESS
  111. A. Moumtzidou, S. Papadopoulos, S. Vrochidis, I. Kompatsiaris, K. Kourtidis, G. Hloupis, I. Stavrakas, K. Pa-pachristopoulou, and C. Keratidis,"Towards Air Quality Estimation Using Collected Multimodal Environmental Data", 1st International Workshop on Internet and Social media for Environmental Monitoring (In conjunction with the 3rd international conference on Internet Science (INSCI 2016), Florence, Italy, 12 September 2016. OPEN ACCESS
  112. G. Meditskos, S. Dasiopoulou, S. Vrochidis, L. Wanner, I. Kompatsiaris,"Question Answering over Pattern-Based User Models", In Proceedings of the 12th International Conference on Semantic Systems (SEMANTiCS 2016), pp. 153-160. ACM, New York, NY, USA, 1 September 2016. OPEN ACCESS
  113. I. Gialampoukidis, G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris,"Key player identification in terrorism-related social media networks using centrality measures", In Intelligence and Security Informatics Conference (EISIC 2016), European, pp. 112-115. IEEE, 1 September 2016. OPEN ACCESS
  114. C. Iliou, G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris,"Hybrid Focused Crawling for Homemade Ex-plosives Discovery on Surface and Dark Web", 11th International Conference on Availability, Reliability and Security (ARES 2016), Salzburg, Austria, 31 August 2016. OPEN ACCESS
  115. I. Gialampoukidis, D. Liparas, S. Vrochidis, I. Kompatsiaris,"Query-based Topic Detection Using Concepts and Named Entities", 1st International Workshop on Multimodal Media Data Analytics (MMDA 2016), The Hague, Netherlands, 30 August , 2016. OPEN ACCESS
  116. G. Kalpakis, T. Tsikrika, C. Iliou, T. Mironidis, S. Vrochidis, J. Middleton, U. Williamson, I. Kompatsiaris,"In-teractive Discovery and Retrieval of Web Resources Containing Home Made Explosive Recipes", 4th Interna-tional Conference on Human Aspects of Information Security, Privacy and Trust in the context of HCI International 2016, Toronto, Canada, 17 - 22 July 2016.
  117. I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris,"A Hybrid framework for news clustering based on the DBSCAN-Martingale and LDA", Machine Learning and Data Mining in Pattern Recognition, (MLDM 2016), pp. 170-184, Springer International Publishing, 1 July 2016. OPEN ACCESS
  118. A. Moumtzidou, I. Gialampoukidis, T. Mironidis, D. Liparas, S. Vrochidis, I. Kompatsiaris,"A Multimedia Interactive Search Engine based on Graph-based and Non-linear Multimodal Fusion", In Content-Based Multimedia Indexing (CBMI 2016), 14th International Workshop on, IEEE, 15 June 2016. OPEN ACCESS
  119. I. Gialampoukidis, A. Moumtzidou, T. Tsikrika, S. Vrochidis and I. Kompatsiaris,"Retrieval of Multimedia objects by Fusing Multiple Modalities", In Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval (ICMR 2016), pp. 359-362, ACM 6 June 2016. OPEN ACCESS
  120. L. Wanner, J. Blat, S. Dasiopoulou, M. Dominguez, G. Llorach, S. Mille, F. Sukno, E. Kamateri, S. Vrochidis, I. Kompatsiaris, E. Andre, F. Lingenfelser, G. Mehlmann, A. Stam, L. Stellingwerff, B. Vieru, L. Lamel, W. Minker, L. Pragst, Stefan Ultes,"Towards a Multimedia Knowledge-Based Agent with Social Competence and Human Interaction Capabilities", 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction (MARMI 2016), New York, USA, 6 June , 2016. OPEN ACCESS
  121. F. Sukno, M. Dominguez, A. Ruiz Ovejero, D. Schiller, F. Lingenfelser, L. Pragst, E. Kamateri, S. Vrochidis,"A Multimodal Annotation Schema for Non-Verbal Affective Analysis in the Health-Care Domain", 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction (MARMI 2016), New York, USA, 6 June, 2016. OPEN ACCESS
  122. I. Gialampoukidis, A. Moumtzidou, D. Liparas, S. Vrochidis, I. Kompatsiaris, "A hybrid graph-based and non-linear late fusion approach for multimedia retrieval", In Content-Based Multimedia Indexing (CBMI 2016), 14th International Workshop on, pp. 1-6, IEEE, 1 June 2016. OPEN ACCESS
  123. G. Meditskos, S. Dasiopoulou, Louisa Pragst, S. Ultes, S. Vrochidis, I. Kompatsiaris, L. Wanner,"Towards an Ontology-driven Adaptive Dialogue Framework", 1st International Workshop on Multimedia Analysis and Re-trieval for Multimodal Interaction (MARMI 2016), New York, USA, 6 June, 2016. OPEN ACCESS
  124. A. Moumtzidou, S. Papadopoulos, S. Vrochidis I. Kompatsiaris, K. Kourtidis, G. Hloupis, I. Stavrakas, K. Papa-christopoulou, C. Keratidis,"Collection of Multimodal Environmental Data for Air Quality Estimation", Proc. of 1st International Workshop on the Social Web for Environmental and Ecological Monitoring (SWEEM 2016), Cologne, Germany, 17 May 2016. OPEN ACCESS
  125. I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "Fast Visual Vocabulary Construction for Image Retrieval using Skewed-Split k-d trees", In International Conference on Multimedia Modeling, (MMM 2016), pp. 466-477. Springer In-ternational Publishing,Miami, FL, USA, 4-6 January 2016. OPEN ACCESS
  126. A. Moumtzidou, T. Mironidis, E. Apostolidis, F. Markatopoulou, A. Ioannidou, I. Gialampoukidis, K. Avgerinakis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras,"VERGE: A Multimodal Interactive Search Engine for Video Browsing and Retrieval", Proc. Video Browser Showdown (VBS 2016) at the 22nd Int. Conf. on MultiMedia Modeling (MMM 2016), Miami, USA, 4 January 2016. OPEN ACCESS
  127. C. Doulaverakis, S. Vrochidis, I. Kompatsiaris,"Exploiting visual similarities for ontology alignment", 7th In-ternational Conference on Knowledge Engineering and Ontology Development (KEOD 2015), Lisbon, Portugal, 12-14 November, 2015. OPEN ACCESS
  128. F. Markatopoulou, A. Ioannidou, C. Tzelepis, T. Mironidis, D. Galanopoulos, S. Arestis-Chartampilas, N. Pittaras, K. Avgerinakis, N. Gkalelis, A. Moumtzidou, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, "ITI-CERTH participation to TRECVID 2015", Proc. TRECVID 2015 Workshop, Gaithersburg, MD, USA, 1 November 2015. OPEN ACCESS
  129. Y. Hacohen-Kerner, A. Sabag, D. Liparas, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris, "Classification using various ML Methods and Combinations of Key-Phrases and Visual Features", 1st KEYSTONE Conference (IKC 2015), Coimbra, Portugal, 8-9 September , 2015. OPEN ACCESS
  130. T. Tsikrika, G. Kalpakis, S. Vrochidis, I. Kompatsiaris, I. Paraskakis, I. Kavasidis, J. Middleton, and U. Williamson, "A Framework for the Discovery, Analysis, and Retrieval of Multimedia Homemade Explosives Information on the Web", In Proceedings of the International Workshop on Multimedia Forensics and Security (MFSec 2015), held in conjunction with the 10th International Conference on Availability, Reliability and Security, Toulouse, France, 28 August 2015. OPEN ACCESS
  131. G. Kalpakis, T. Tsikrika, F. Markatopoulou, N. Pittaras, S. Vrochidis, V. Mezaris, I. Patras, and I. Kompatsiaris, "Concept Detection on Multimedia Web Resources about Home Made Explosives", In Proceedings of the International Workshop on Multimedia Forensics and Security (MFSec 2015), held in conjunction with the 10th International Conference on Availability, Reliability and Security, Toulouse, France, 28 August 2015. OPEN ACCESS
  132. S. Vrochidis, I. Kompatsiaris, G. Casamayor, I. Arapakis, R. Busch, V. Alexiev, E. Jamin, M. Jugov, N. Heise, T. Forrellat, D. Liparas, L. Wanner, I. Miliaraki, V. Aleksic, K. Simov, A. M. Soro, M. Eckhoff, T. Wagner, M. Puigbo,"MULTISENSOR: Development of Multimedia Content Integration Technologies for Journalism, Media Monitoring and International Exporting Decision Support", IEEE International Conference on Multimedia and Expo (ICME 2015), Turin, Italy, 29 June - 3 July, 2015. OPEN ACCESS
  133. T. Tsikrika, A. Latas, A. Moumtzidou, E. Chatzilari, S. Vrochidis and I. Kompatsiaris,"Discovery of Environmental Web Resources Based on the Combination of Multimedia Evidence", 2nd International Workshop on Environmental Multimedia Retrieval (EMR 2015), Shanghai, China, 23 June, 2015. OPEN ACCESS
  134. T. Tsikrika, K. Andreadou, A. Moumtzidou, E. Schinas, S. Papadopoulos, S. Vrochidis, Y. Kompatsiaris, "A Unified Model for Socially Interconnected Multimedia-Enriched Objects", 21st MultiMedia Modelling Conference (MMM 2015), Sydney, Australia, 5-7 January, 2015. OPEN ACCESS
  135. A. Moumtzidou, K. Avgerinakis, E. Apostolidis, F. Markatopoulou, K. Apostolidis, T. Mironidis, S. Vrochidis, V. Mezaris, Y. Kompatsiaris, I. Patras,"VERGE: A Multimodal Interactive Video Search Engine", Proc. 21st Int. Conf. on MultiMedia Modeling (MMM 2015), Sydney, Australia, 1 January 2015. OPEN ACCESS
  136. D. Liparas, Y. Hacohen-Kerner, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris,"News articles classification using Random Forests and weighted multimodal features", Proceedings of the 3rd Open Interdisciplinary MUMIA Conference and 7th Information Retrieval Facility Conference (IRFC 2014), 10 - 12 November 2014, Copenhagen, Denmark, LNCS 8849, pp. 63-75, Berlin: Springer-Verlag, 2014. OPEN ACCESS
  137. N. Gkalelis, F. Markatopoulou, A. Moumtzidou, D. Galanopoulos, K. Avgerinakis, N. Pittaras, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras,"ITI-CERTH participation to TRECVID 2014", Proc. TRECVID 2014 Work-shop, Orlando, FL, USA, 1 November 2014.
  138. Y. HaCohen-Kerner, S. Vrochidis, D. Liparas, A. Moumtzidou and I. Kompatsiaris,"Key-phrase Extraction using Textual and Visual Features", 3rd Workshop on Vision and Language (VL 2014), Dublin, Ireland, 23-29 August , 2014. OPEN ACCESS
  139. D. Liparas, A. Moumtzidou, S. Vrochidis, I. Kompatsiaris,"Concept-oriented labelling of patent images based on Random Forests and proximity-driven generation of synthetic data'', COLING 2014 Workshop on Vision and Language (VL 2014), Dublin, 23 August , 2014. OPEN ACCESS
  140. T. Tsikrika, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris,“Focused Crawling of Environmental Web Re-sources: A Pilot Study on the Combination of Multimedia Evidence”, Proceedings of 1st International Workshop on Environmental Multimedia Retrieval (EMR 2014), Glasgow, UK, 1 April, 2014. OPEN ACCESS
  141. L. Johansson, V. Epitropou, K. Karatzas, L. Wanner, A. Karppinen, J. Kukkonen, S. Vrochidis and I. Kompatsiaris,“The extraction and fusion of meteorological and air quality information for orchestrated services”, Proceedings of 1st International Workshop on Environmental Multimedia Retrieval (EMR 2014), Glasgow, UK,1 April , 2014. OPEN ACCESS
  142. A. Moumtzidou, K. Avgerinakis, E. Apostolidis, V. Aleksic, F. Markatopoulou, C. Papagiannopoulou, S. Vrochidis, V. Mezaris, R. Busch, I. Kompatsiaris,"VERGE: An Interactive Search Engine for Browsing Video Collections", Proc. Video Browser Showdown (VBS 2014) at the 20th Int. Conf. on MultiMedia Modeling (MMM 2014), Dublin, Ireland, Springer LNCS vol. 8326, pp. 411-414, 1 January 2014. OPEN ACCESS
  143. F. Markatopoulou, A. Moumtzidou, C. Tzelepis, K. Avgerinakis, N. Gkalelis, S. Vrochidis, V. Mezaris, and I. Kompatsiaris, “ITI-CERTH participation to TRECVID 2013”, in TRECVID Workshop, Gaithersburg, MD, USA, 1 November 2013. OPEN ACCESS
  144. A. Moumtzidou, S. Vrochidis, and I. Kompatsiaris,"Concept extraction from patent images based on recursive hybrid classification", Proceedings of 6th Information Retrieval Facility Conference 2013 (IRFC 2013), Limassol, Cyprus, 7-9 October, 2013. Multidisciplinary Information Retrieval, Springer Berlin Heidelberg, Vol. 8201, pp. 83-86. OPEN ACCESS
  145. D. Hilbring, A. Moumtzidou, J. Mossgraber and S. Vrochidis,"Semantically Enriching an Open Source SOS Implementation for Accessing Heterogeneous Environmental Data Sources", The Global Conference for Open Source Geospatial Software,(FOSS4G 2013), Nottingham, UK, 17-21 September, 2013. OPEN ACCESS
  146. A. Moumtzidou, S. Vrochidis, E. Chatzilari and I. Kompatsiaris, "Discovery of Environmental Resources based on Heatmap Recognition",Proceedings of the IEEE International Conference on Image Processing (ICIP 2013), Melbourne, Australia, 15-18 September , 2013. OPEN ACCESS
  147. A. Moumtzidou, S. Vrochidis, I. Kompatsiaris,"Discovery of Weather Forecast Web Resources based on Ontology and Content-driven Hierarchical Classification", Proceedings of 14th International Conference on Engi-neering Applications of Neural Networks (EANN 2013), Halkidiki, Greece, 13-16 September, 2013. Communi-cations in Computer and Information Science, Springer Berlin Heidelberg, Vol. 383, pp. 223-232. OPEN ACCESS
  148. L. Wanner, H. Bosch, S. Vrochidis, N. Bouayad-Agha, G. Casamayor, L. Johansson, A. Karppinen, A. Moumtzidou, I. Kompatsiaris, T. Ertl,"Involving the Expert in the Delivery of Environmental Information from the Web", EnviroInfo 2013, Hambourg, 2-4 September , 2013, pp. 561-568. OPEN ACCESS
  149. S. Vrochidis, H. Bosch, A. Moumtzidou, F. Heimerl, T. Ertl, I. Kompatsiaris,"An Environmental Search Engine based on Interactive Visual Classification", Proceedings of the 1st ACM international workshop on Multimedia analysis for ecological data (MAED 2012), pp. 49-52, 2 November, 2012, Nara, Japan. OPEN ACCESS
  150. A. Moumtzidou, V. Epitropou, S. Vrochidis, S. Voth, A. Bassoukos, K. Karatzas, J. Mossgraber, I. Kompatsiaris, A. Karppinen and J. Kukkonen,"Environmental Data Extraction from Multimedia Resources", Proceedings of the 1st ACM international workshop on Multimedia analysis for ecological data (MAED 2012), pp. 13-18, 2 November , 2012, Nara, Japan. OPEN ACCESS
  151. A Moumtzidou, N. Gkalelis, P. Sidiropoulos, M. Dimopoulos, S. Nikolopoulos, S. Vrochidis, V. Mezaris, I. Kompatsiaris,"ITI-CERTH participation to TRECVID 2012", in Proceedings of TRECVID 2012 Workshop, 1 November 2012, Gaithersburg, MD, USA. OPEN ACCESS
  152. L. Wanner, S. Vrochidis, M. Rospocher, J. Mossgraber, H. Bosch, A. Karppinen, M. Myllynen, S. Tonelli, N. Bouayad-Agha, U. Bugel, G. Casamayor, T. Ert, D. Hilbring, K. Karatzas, I. Kompatsiaris, T. Koskentalo, S. Mille, A. Moumtzidou, E. Pianta, H. Saggion, L. Serafini, V. Tarvainen,"Personalized environmental service orchestration for quality of life improvement", Artificial Intelligence Applications and Innovations, IFIP Advances in Information and Communication Technology Volume 382, pp 351-360, 3rd Intelligent Systems for Quality of Life information Services Workshop (ISQL 2012), Halkidiki, Greece, 29 September 2012. OPEN ACCESS
  153. S. Vrochidis, V. Epitropou, A. Bassoukos, S. Voth, K. Karatzas, A. Moumtzidou, J. Mossgraber, I. Kompatsiaris, A. Karppinen, J. Kukkonen,"Extraction of environmental data from on-line environmental information sources", Artificial Intelligence Applications and Innovations, IFIP Advances in Information and Communication Technology Volume 382, pp 361-370, 3rd Intelligent Systems for Quality of Life information Services Workshop (ISQL 2012), Halkidiki, Greece, 29 September 2012. OPEN ACCESS
  154. A. Moumtzidou, S. Vrochidis, S. Tonelli, I. Kompatsiaris and E. Pianta,"Discovery of Environmental Nodes in the Web", in 5th Information Retrieval Facility Conference (IRF 2012), Austria ,Vienna, 2-3 July 2012. OPEN ACCESS
  155. S. Vrochidis, A. Moumtzidou, G. Ypma and I. Kompatsiaris,"PatMedia: Augmenting Patent Search with Content-based Image Retrieval", in 5th Information Retrieval Facility Conference (IRF 2012), Austria, Vienna, 2-3 July 2012. OPEN ACCESS
  156. L. Wanner, M. Rospocher, S. Vrochidis, H. Bosch, N. Bouayad-Agha, U. Bugel, G. Casamayor, T. Ertl, D. Hil-bring, A. Karppinen, I. Kompatsiaris, T.Koskentalo, S. Mille, J. Mossgraber, A. Moumtzidou, M. Myllynen, E. Pianta, H. Saggion, L. Serafini, V. Tarvainen and S. Tonelli,"Personalized Environmental Service Configuration and Delivery Orchestration: The PESCaDO Demonstrator", in Proceedings of the 9nth Extended Semantic Web Conference (ESWC 2012), Heraclion, Crete, Greece, 27-31 May 2012. OPEN ACCESS
  157. S. Vrochidis, I. Patras and I Kompatsiaris,"Exploiting gaze movements for automatic video annotation", in Proceedings of the 13th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2012), Dublin, Ireland, 23-25 May 2012.
  158. A Moumtzidou, P. Sidiropoulos, S. Vrochidis, N. Gkalelis, S. Nikolopoulos, V. Mezaris, I. Kompatsiaris, I. Patras, "ITI-CERTH participation to TRECVID 2011", in Proceedings of TRECVID Workshop, Gaithersburg, MD, USA, 1 December 2011. OPEN ACCESS
  159. P. Wilkins, T. Adamek, D. Byrne, G. J.F.Jones, H. Lee, G. Keenan, K. McGuinness, N. E. O’Connor, A. F. Smeaton, A. Amin, Z. Obrenovic, R. Benmokhtar, E. Galmar, B. Huet, S. Essid, R. Landais, F. Vallet, G. Papa-dopoulos, S. Vrochidis, V. Mezaris, I. Kompatsiaris, E. Spyrou, Y. Avrithis, R. Morzinger, P. Schallauer, W. Bailer, T. Piatrik, K. Chandramouli, E. Izquierdo, M. Haller, L. Goldmann, A. Samour, A. Cobet, T. Sikora, P. Praks,"K-Space at TRECVid 2007", presented at TRECVID 2007 Workshop, 6 November 2007, Gaithersburg, MD, USA. OPEN ACCESS
  160. L. Wanner, S. Vrochidis, S. Tonelli, J. Mossgraber, H. Bosch, A. Karppinen, M. Myllynen, M. Rospocher, N. Bouayad-Agha, U. Brugel, G. Casamayor, T. Ertl, I. Kompatsiaris, T. Koskentalo, S. Mille, A. Moumtzidou, E. Pianta, H. Saggion, L. Serafini, V. Tarvainen,"Building an Environmental Information System for Personalized Content Delivery", International Symposium on Environmental Software Systems (ISESS 2011), Brno, Czech Republic, 1 June 2011. OPEN ACCESS
  161. S. Vrochidis, I. Patras, I. Kompatsiaris, "An eye-tracking-based approach to facilitate interactive video search", in Proceedings of the 1st ACM International Conference on Multimedia Retrieval (ICMR 2011), 20 April 2011. OPEN ACCESS
  162. A. Moumtzidou, A. Dimou, N. Gkalelis, S. Vrochidis, V. Mezaris, I. Kompatsiaris,"ITI-CERTH participation to TRECVID 2010", in Proceedings of TRECVID 2010 Workshop, 1 November 2010, Gaithersburg, MD, USA. OPEN ACCESS
  163. L. Wanner, H. Bosch, N. Bouayad-Agha, U. Brugel, G. Casamayor, T. Ertl, A. Karppinen, I. Kompatsiaris, T. Koskentalo, S. Mille, J. Mossgraber, A. Moumtzidou, M. Myllynen, E. Pianta, M. Rospocher, H. Saggion, L. Serafini, V. Tarvainen, S. Tonelli, T. Uslander, S. Vrochidis,"Service-Based Infrastructure for User-Oriented Envi-ronmental Information Delivery", (ENVIP 2010), Workshop, Bonn/Cologne, 6-8 October, 2010. OPEN ACCESS
  164. S. Vrochidis, I. Kompatsiaris and I. Patras,"Optimizing Visual Search with Implicit User Feedback in Interactive Video Retrieval", in Proceedings of the ACM International Conference on Image and Video Retrieval (CIVR 2010), pp 274-281, Xi'an, China, 5-7 July 2010. OPEN ACCESS
  165. P. Sidiropoulos, S. Vrochidis and I. Kompatsiaris,"Content-Based Retrieval of Complex Binary Images", in Proceedings of the 8th International Workshop on Content-Based Multimedia Indexing (CBMI 2010), pp. 182-187, Grenoble, France, 23-25 June 2010.
  166. S. Vrochidis, A. Moumtzidou, P. King, A. Dimou, V. Mezaris and I. Kompatsiaris,"VERGE: A video interactive retrieval engine", in Proceedings of the 8th International Workshop on Content-Based Multimedia Indexing (CBMI 2010), pp. 142-147, Grenoble, France, 23-25 June 2010. OPEN ACCESS
  167. S. Vrochidis, I. Kompatsiaris and I. Patras,"Exploiting Implicit User Feedback in Interactive Video Retrieval", in Proceedings of the 11th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2010), Desenzano del Garda, Italy, 14 April 2010. OPEN ACCESS
  168. A. Moumtzidou, A. Dimou, P. King, S. Vrochidis, A. Angeletou, V. Mezaris, S. Nikolopoulos, I. Kompatsiaris, L. Makris,"ITI-CERTH participation to TRECVID 2009 HLFE and Search", Proc. TRECVID 2009 Workshop, Gaithersburg, MD, USA, 1 November 2009. OPEN ACCESS
  169. S. Vrochidis, P. King, L. Makris, A. Moumtzidou, S. Nikolopoulos, A. Dimou, V. Mezaris, I. Kompatsiaris, "MKLab Interactive Video Retrieval System", ACM International Conference on Image and Video Retrieval (CIVR 2009) - VideOlympics Showcase event, Santorini, Greece, 1 July 2009. OPEN ACCESS
  170. F. Bellotti, S. Vrochidis, I. Tsampoulatidis, G. Bo and L. Napoletano, "A Learning Oriented Technological Framework for iDTV", 4th International Conference on Automated Solutions for Cross Media Content and Multi-channel Distribution (AXMEDIS 2008), Florence, Italy, 17-19 November 2008. OPEN ACCESS
  171. Q. Zhang, G. Tolias, B. Mansencal, A. Saracoglu, N. Aginako, A. Alatan, L. A. Alexandre, Y. Avrithis, J. Benois-Pineau, K. Chandramouli, M. Corvaglia, U. Damnjanovic, A. Dimou, E. Esen, N. Fatemi, I. Garcia, F. Guerrin, A. Hanjalic, R. Jarina, P. Kapsalas, P. King, I. Kompatsiaris, L. Makris, V. Mezaris, P. Migliorati, A. Moumtzidou, Ph. Mylonas, U. Naci, S. Nikolopoulos, M. Paralic, T. Piatrik, F. Poulin, A. M. G. Pinheiro, L. Raileanu, E. Spyrou, S. Vrochidis,"COST292 experimental framework for TRECVID 2008", Proc. TRECVID Workshop, Gaithersburg, MD, USA, 1 November 2008. OPEN ACCESS
  172. S. Vrochidis, P. King, L. Makris, A. Moumtzidou, V. Mezaris and I. Kompatsiaris,"MKLab Interactive Video Retrieval System", in the Proceedings of Conference On Image And Video Retrieval (CIVR 2008), Niagra Falls, Canada, Pages: 563 - 563, ISBN: 978-1-60558-070-8, 7-9 July 2008. OPEN ACCESS
  173. J. Codina, E. Pianta, S. Vrochidis and S. Papadopoulos,"Integration of Semantic, Metadata and Image search engines with a text search engine for patent retrieval", Semantic Search 2008 Workshop (ESWC 2008), Tenerife, Spain, 2 June, 2008. OPEN ACCESS
  174. F. Bellotti, S. Vrochidis, E. Parissi, P. Lhoas, D. Mathevon, M. Pellegrino, G. Bo and I. Kompatsiaris,"A T-learning Courses Development and Presentation Framework",  3rd International Conference on Interactive Mobile and Computer Aided Learning, (IMCL 2008), 16-18 April , 2008, Amman, Jordan. OPEN ACCESS
  175. S. Vrochidis, C. Doulaverakis, L. Makris, A. Gounaris, E. Nidelkou, I. Kompatsiaris and M.G. Strintzis, "Hybrid Ontology and Visual-based Retrieval for Cultural Heritage Multimedia Libraries", 14th International Conference of Image Analysis and Processing - Workshops, (ICIAPW 2007), 10-13 September 2007, Modena, Italy. OPEN ACCESS
  176. S. Vrochidis, C. Doulaverakis, A. Gounaris, E. Nidelkou, L. Makris and I. Kompatsiaris,"A Hybrid Ontology and Visual-based Retrieval Model for Cultural Heritage Multimedia Collections", in Proceedings of 2nd International Conference on Metadata and Semantics Research, Metadata and Semantics, (MTSR 2007), Springer US, ISBN 978-0-387-77745-0, pp. 1-10, 11-12 October, Corfu, Greece, 2007. OPEN ACCESS
  177. S. Vrochidis, V. Mezaris and I. Kompatsiaris,"ITI interactive video retrieval system", Conference On Image And Video Retrieval, Proceedings of the 6th ACM international,(CIVR 2007), Amsterdam, The Netherlands Pages: 648 - 648, ISBN:978-1-59593-733-9, 9 July 2007. OPEN ACCESS
  178. J. Calic, P. Kramer, U. Naci, S. Vrochidis, S. Aksoy, Q. Zhang, J. Benois-Pineau, A. Saracoglu, C. Doulaverakis, R. Jarina, N. Campbell, V. Mezaris, I. Kompatsiaris, E. Spyrou, G. Koumoulos, Y. Avrithis, A. Dalkilic, A. Alatan, A. Hanjalic, E. Izquierdo, "COST292 experimental framework for TRECVID 2006", 4th TRECVID Workshop (TRECVID 2006), Gaithersburg, USA, 14 November 2006. OPEN ACCESS
  1. A. Arampatzis, L. Cappellato, L., E. Kanoulas, T. Tsikrika, S. Vrochidis, H. Joho, C. Lioma, A. N ev eol, L. Cappellato, and N. Ferro. Report on CLEF 2020. ACM SIGIR Forum, Vol. 54 No. 2 December 2020. OPEN ACCESS
  2. A. Arampatzis, E. Kanoulas, T. Tsikrika, S. Vrochidis, H. Joho, C. Lioma, K. Eickhoff, A. N ev eol, L. Cappellato, and N. Ferro, editors. Experimental IR Meets Multilinguality, Multimodality, and Interaction. Proceedings of the Eleventh International Conference of the CLEF Association (CLEF 2020). Lecture Notes in Computer Science (LNCS) 12260, Springer, Heidelberg, Germany, 22-25 September 2020.
  3. A. Moumtzidou, G. Orfanidis, S. Andreadis, K. Ioannidis, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris. A space-based solution for oil spill detection. NEREUS/ESA/EC “The Ever Growing use of Copernicus across Europe’s Regions” (p. 277). OPEN ACCESS
  4. I. Kompatsiaris, B. Huet, V. Mezaris, C. Gurrin, W.-H. Cheng, S. Vrochidis (Eds.). “MultiMedia Modeling”. 25th Int. Conf., MMM 2019, Thessaloniki, Greece, Proceedings, Part I, Springer LNCS vol. 11295, 8 January 2019. OPEN ACCESS
  5. I. Kompatsiaris, B. Huet, V. Mezaris, C. Gurrin, W.-H. Cheng, S. Vrochidis (Eds.). “MultiMedia Modeling”. 25th Int. Conf., MMM 2019, Thessaloniki, Greece, Proceedings, Part II, Springer LNCS vol. 11296, 8 January 2019.
  6. K. Avgerinakis, F. Bellotti, M. Vergauwen, L. Wanner and S. Vrochidis. "1st International Workshop on Multimedia Analysis for Architecture, Design and Virtual Reality Games (MADVR 2018)". 2018 IEEE International Symposium on Mixed and Augmented Reality Adjunct (ISMAR-Adjunct), Munich, Germany, 16-20 October 2018, pp. 280-280. OPEN ACCESS
  7. E. Andre, T. W. Bickmore, S. Vrochidis, L. Wanner (Eds). (2018). Proceedings of the AAMAS Workshop on Intelligent Conversation Agents in Home and Geriatric Care Applications co-located with the Federated AI Meeting (FAIM 2018). ICAHGCA@AAMAS 2018, Stockholm, Sweden, July 15, 2018. CEUR, Vol 2338 OPEN ACCESS
  8. E. Andre, T. W. Bickmore, S. Vrochidis, L. Wanner (Eds). (2018). Proceedings of the AAMAS Workshop on Intelligent Conversation Agents in Home and Geriatric Care Applications co-located with the Federated AI Meeting (FAIM 2018). ICAHGCA@AAMAS 2018, Stockholm, Sweden, 15 July, 2018. CEUR, Vol 2338. OPEN ACCESS
  9. M. Zampoglou, S. Vrochidis, A. Rocha, V. Katos (Eds.). (2017). MFSec '17: Proceedings of the 2nd International Workshop on Multimedia Forensics and Security. Bucharest, Romania, 2017. Association for Computing Machinery, 30 June 2017. OPEN ACCESS
  10. T. Tsikrika, B. Akhgar, V. Katos, S. Vrochidis, P. Burnap, M. L. Williams.. "1st International Workshop on Search and Mining Terrorist Online Content & Advances in Data Science for Cyber Security and Risk on the Web". In Proceedings of the Tenth ACM International Conference on Web Search and Data Mining (WSDM 2017), pp. 823-824, Cambridge, UK, 28 February 2017. OPEN ACCESS
  11. A.. Satsiou, G. Panos, I. Praggidis, S. Vrochidis, S. Papadopoulos, C. Keratidis, P. Syropoulou, H. Y. Liu (Eds.). (2016). Collective Online Platforms for Financial and Environmental Awareness: First International Workshop on the Internet for Financial Collective Awareness and Intelligence. IFIN 2016 and First International Workshop on Internet and Social Media for Environmental Monitoring, ISEM 2016, Florence, Italy, 12 September, 2016 (Vol. 10078). Springer. OPEN ACCESS
  12. S. Vrochidis, M. Melero, L. Wanner, J. Grivolla, Y. Esteve (Eds.). (2016). Proceedings of the 1st International Workshop on Multimodal Media Data Analytics co-located with the 22nd European Conference on Artificial Intelligence (ECAI 2016). The Hague, Netherlands, 30 August, 2016, CEUR, Vol 1801.
  13. S. Vrochidis, L. Wanner, E. Andre, S. E. Schwartz (Eds.). (2016). MARMI ’16: Proceedings of the 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction. New York, USA, 2016. Association for Computing Machinery, 30 June 2016.
  14. S. Vrochidis, K. Karatzas, A. Karppinen, A. Joly (Eds). (2016). Guest Editorial: Environmental Multimedia Retrieval. Multimedia Tools Appl. 75(3): 1557-1562, 28 January 2016. OPEN ACCESS
  15. S. Vrochidis, K. Karatzas, A. Karppinen, A. Joly, A. B. Albu (Eds.). (2015). EMR ’15: Proceedings of the 2nd International Workshop on Environmental Multimedia Retrieval. Shanghai, China,Association for Computing Machinery, 30 June 2015.
  16. S. Vrochidis, K. Karatzas, A. Karppinen, A. Joly, (Eds.). (2014). EMR ’14: Proceedings of the 1nd International Workshop on Environmental Multimedia Retrieval. Glasgow, UK, 1 April 2014, CEUR, Vol 1222.