Publications – Page 2 – Multimodal Data Fusion and Analytics Group

Water quality issues: Can we detect a creeping crisis with social media data?

S. Andreadis, N. Pantelidis, I. Gialampoukidis, S. Vrochidis, and I. Kompatsiaris, "Water quality issues: Can we detect a creeping crisis with social media data?", In the proceedings of the 27th IEEE Symposium on Computers and Communications (IEEE ISCC 2022), 30 June - 3 July 2022, Rhodes, Greece.

M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2021

A-Μ Koufakis, T. Tsikrika, S. Vrochidis, & I. Kompatsiaris, "M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2021". Text REtrieval Conference (TREC).

Cybersecurity in Next Generation Energy Grids: Challenges and Opportunities for Blockchain and AI Technologies

N., Mengidis, T., Tsikrika, S., Vrochidis, I., Kompatsiaris (2021) "Cybersecurity in Next Generation Energy Grids: Challenges and Opportunities for Blockchain and AI Technologies". In Tagarev T., Atanassov K.T., Kharchenko V., Kacprzyk J. (eds) Digital Transformation, Cyber Security and Resilience of Modern Societies. Studies in Big Data, vol 84. Springer, Cham. DOI:https://doi.org/10.1007/978-3-030-65722-2_18.

Cyber security certification programmes

E.-C. Davri, E. Darra, I. Monogioudis, A. Grigoriadis, C. Iliou, N. Mengidis, T. Tsikrika, S. Vrochidis, A. Peratikou, H. Gibson, D. Haskovic, D. Kavallieros, E. Chaskos, P. Zhao, S. Shiaeles, N. Savage, B. Akhgar, X. Bellekens, and M. Amine Ben Farah, "Cyber security certification programmes", 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, pp. 428-435, DOI:10.1109/CSR51186.2021.9527974.

Real-time Alert Framework for Fire Incidents Using Multimodal Event Detection on Social Media Streams

T. Papadimos, N. Pantelidis, S. Andreadis, A. Bozas, I. Gialampoukidis, S. Vrochidis, and I. Kompatsiaris, "Real-time Alert Framework for Fire Incidents Using Multimodal Event Detection on Social Media Streams". In Proceedings of the 19th International Conference on Information Systems for Crisis Response and Management, 22-25 May 2022, Tarbes, France.

Filling Cloud Gaps on Optical Time-Series through Optical and SAR Data Fusion for Cropland Monitoring

T. Papadimos, S. Andreadis, V. Sitokonstantinou, A. Koukos, G. Choumos, I. Gialampoukidis, S. Vrochidis, C. Kontoes and I. Kompatsiaris, "Filling Cloud Gaps on Optical Time-Series through Optical and SAR Data Fusion for Cropland Monitoring". In Proceedings of the 2022 Living Planet Symposium, 23-27 May 2022, Bonn, Germany.

Flood Hazard and Risk Mapping by Applying an Explainable Machine Learning Framework Using Satellite Imagery and GIS Data

G. Antzoulatos, I. Kouloglou, M. Bakratsas, A. Moumtzidou, I. Gialampoukidis, A. Karakostas, F. Lombardo, R. Fiorin, D. Norbiato, M. Ferri, A. Symeonidis, S. Vrochidis, I. Kompatsiaris, "Flood Hazard and Risk Mapping by Applying an Explainable Machine Learning Framework Using Satellite Imagery and GIS Data". Special Issue: Environmental Water Monitoring for Sustainable Development in Urban and Rural Areas of Sustainability, Volume 14, Issue 6, 2022. DOI:10.3390/su14063251.

A review of multisensor data fusion solutions in smart manufacturing: systems and trends

A. Tsanousa, E. Bektsis, C. Kyriakopoulos, A. González, U. Leturiondo, I. Gialampoukidis, A. Karakostas, S. Vrochidis, I. Kompatsiaris, "A review of multisensor data fusion solutions in smart manufacturing: systems and trends", Sensor data fusion analysis for broad applications, MDPI.

Earthquakes: from Twitter detection to EO data processing

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", IEEE Geoscience and Remote Sensing Letters, Volume 19, 14 February 2022, DOI: 10.1109/LGRS.2022.3149541

Exploring the potential of innovative methods for integrated water and flood risk management in the Oriental Alpes river district: the aqua3S approach

M. Ferri, F. Lombardo, D. Norbiato, A. Moumtzidou, A. Karakostas, S. Vrochidis, and I. Kompatsiaris "Exploring the potential of innovative methods for integrated water and flood risk management in the Oriental Alpes river district: the aqua3S approach".In WMS-EXPO2020: Water Resources Management and Sustainability: Solutions for Arid Regions, Dubai Exhibition Center (DEC), Dubai, UAE, March 22-24, 2022.

ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2021

K. Gkountakos, D. Galanopoulos, D. Touska, K. Ioannidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2021" in Proc. TRECVID 2021 Workshop, Gaithersburg, MD, USA (Virtual), 2021.

Ontology-based semantic model for health data interpretation

C. Maga-Nteve, N. Tsolakis, G. Meditskos, A. Karakostas, S. Vrochidis and I. Kompatsiaris. (2021). "Ontology-based semantic model for health data interpretation", in Proceedings of Fourth International Workshop on Semantic Web Meets Health Data Management (SWH), the 20th International Semantic Web Conference (ISWC), Springer, Virtual Conference 24 - 28 October 2021.

A Semantic Technologies Toolkit for Bridging Early Diagnosis and Treatment in Brain Diseases

C. Maga-Nteve, E. Kontopoulos, N. Tsolakis, P. Mitzias, I. Katakis, E. Mathioudis, K. Avgerinakis, G. Meditskos, A. Karakostas, S. Vrochidis and I. Kompatsiaris. (2021). A Semantic Technologies Toolkit for Bridging Early Diagnosis and Treatment in Brain Diseases – Report from the Ongoing EU-funded Research Project ALAMEDA. In Proceedings of Metadata and Semantics Research Conference, Springer, Madrid, 2021.

Interactive Video Retrieval Evaluation at a Distance – Comparing Sixteen Interactive Video Search Systems in a Remote Setting at the 10th Video Browser Showdown

S. Heller, V. Gsteiger, W. Bailer, C. Gurrin, B. Þ. Jónsson, Jakub Loko, Andreas Leibetseder, F. Mejzlík, L. Peška, L. Rossetto, K. Schall, K. Schoeffmann, H. Schuldt, F. Spiess, L.-D. Tran, L. Vadicamo, P. Veselý, S. Vrochidis, and J. Wu, "Interactive Video Retrieval Evaluation at a Distance - Comparing Sixteen Interactive Video Search Systems in a Remote Setting at the 10th Video Browser Showdown", International Journal of Multimedia Information Retrieval, 11, pages 1–18, 2022.

VERGE in VBS 2022

S. Andreadis, A. Moumtzidou, D. Galanopoulos, N. Pantelidis, K. Apostolidis, D. Touska, K. Gkountakos, M. Pegia, I. Gialampoukidis, S. Vrochidis, V. Mezaris and I. Kompatsiaris, "VERGE in VBS 2022", In Proceedings of the 28th International Conference on Multimedia Modelling (MMM2022), 5-8 April 2022, Phu Quoc, Vietnam.

WaterMM:Water Quality in Social Multimedia Task at MediaEval 2021

S. Andreadis, I. Gialampoukidis, A. Bozas, A. Moumtzidou, R. Fiorin, F. Lombardo, A. Karakostas, D. Norbiato, S. Vrochidis, M. Ferri, and I. Kompatsiaris, "WaterMM: Water Quality in Social Multimedia Task at MediaEval 2021". In Proceedings of the MediaEval 2021 Workshop (MediaEval'21), 12-15 December 2021.

Parallel DBSCAN-Martingale estimation of the number of concepts for automatic satellite image clustering

I. Gialampoukidis, S. Andreadis, N. Pantelidis, S. Hayat, L. Zhong, M. Bakratsas, D. Hoppe, S. Vrochidis, and I. Kompatsiaris, "Parallel DBSCAN-Martingale estimation of the number of concepts for automatic satellite image clustering", In Proceedings of the 28th International Conference on Multimedia Modelling (MMM2022), Phu Quoc, Vietnam, 6-10 June, 2022.

Multimodal data fusion of social media and satellite images for emergency response and decision-making

I. Gialampoukidis, S. Andreadis, S. Vrochidis, and I. Kompatsiaris, "Multimodal data fusion of social media and satellite images for emergency response and decision-making", 2021 IEEE International Geoscience and Remote Sensing Symposium (IGARSS 2021), 11 July 2021, Online, pp. 228-231, IEEE.

Implementation of an Interactive Crowd-Enhanced Content Management System for Tourism Development

Ι. Paliokas, E. E. Mitsopoulou, A. T. Patenidis, E. A., Stathopoulos, Α. Kokkalas, S., Diplaris, E. Karyati, S. Tsafaras, E. Tasiopoulou, C. Riggas, G. Meditskos, S. Vrochidis, K. Votis, I. Kompatsiaris, & D. Tzovaras (2021). Implementation of an Interactive Crowd-Enhanced Content Management System for Tourism Development. KnE Social Sciences, vol. 5, no. 9, pp. 275–282, 2021.

Human activity recognition with IMU and vital signs feature fusion

V.R. Xefteris, A. Tsanousa, T. Mavropoulos, G. Meditskos, S. Vrochidis, I. Kompatsiaris, Human activity recognition with IMU and vital signs feature fusion. In Proceedings of the 28th International Conference on Multimedia Modelling (MMM2022), Phu Quoc, Vietnam, June 6–10, 2022, Pages 287–298. DOI: https://doi.org/10.1007/978-3-030-98358-1_23.

A Task Category Space for User-Centric Comparative Multimedia Search Evaluations, 28th International Conference on Multimedia Modelling

J. Lokoc, L. Rossetto, W. Bailer, K. Schoeffmann, S. Vrochidis, C. Gurrin, S. Heller, L. Vadicamo, K. Barthel, L. Peška, J. Wu, B. Jónsson, "A Task Category Space for User-Centric Comparative Multimedia Search Evaluations", In Proceedings of the 28th International Conference on Multimedia Modelling (MMM2022), Phu Quoc, Vietnam, 6-10 June, 2022.

Usage of Visual Analytics to Support Immigration-Related, Personalised Language Training Scenarios

G. Antzoulatos, T. Mavropoulos, G. Tzionis, A. Karakostas, A. Gonzalez Costas, M. González Burgos, S. Vrochidis, I. Kompatsiaris, "Usage of Visual Analytics to Support Immigration-Related, Personalised Language Training Scenarios", International Conference on Interactive Mobile Communication, Technologies and Learning (IMCL2021), 4–5 November 2021.

Severity level assessment from semantically fused video content analysis for physical threat detection in ground segments of space systems

G. Antzoulatos, G. Orfanidis, P. Giannakeris, G. Tzanetis, G. Kampilis-Stathopoulos, N. Kopalidis, I. Gialampoukidis, S. Vrochidis, and I. Kompatsiaris (2021). "Severity level assessment from semantically fused video content analysis for physical threat detection in ground segments of space systems", in 2nd International Workshop on Cyber-Physical Security for Critical Infrastructures Protection (CPS4CIP 2021), 4-8 October 2021.

Host-based Intrusion Detection Using Signature-based and AI-driven Anomaly Detection Methods

P. Panagiotou, N. Mengidis, T. Tsikrika, S. Vrochidis, and I. Kompatsiaris. "Host-based Intrusion Detection Using Signature-based and AI-driven Anomaly Detection Methods." Information & Security: An International Journal 50, no. 1 (2021): 37-48.

A social media analytics platform visualising the spread of COVID-19 in Italy via exploitation of automatically geotagged tweets

S. Andreadis, G. Antzoulatos, T. Mavropoulos, P. Giannakeris, G. Tzionis, N. Pantelidis, K. Ioannidis, A. Karakostas, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris "A social media analytics platform visualising the spread of COVID-19 in Italy via exploitation of automatically geotagged tweets". Online Social Networks and Media, 2021.

Study of 3D Digitisation Modalities for Crime Scene Investigation

G. Galanakis,; X.Zabulis,; T.Evdaimon,;S.-E. Fikenscher,; S.Allertseder,; T.Tsikrika,; S. Vrochidis "A Study of 3D Digitisation Modalities for Crime Scene Investigation". Forensic. Sci. 2021, 1, 56–85.

xR4DRAMA: Enhancing situation awareness using immersive (XR) technologies

S. Symeonidis, S. Diplaris, N. Heise, T. Pistola, A. Tsanousa, G. Tzanetis, E. Batziou, C. Stentoumis, I. Kalisperakis, S. Freitag, Y. Shekhawat, R. Paradiso, M. Pacelli, J. Codinak, S. Millek, M. Marimonk, M. Ferri, D. Norbiato, M. Monego, A. Karakostas and S. Vrochidis, "xR4DRAMA: Enhancing situation awareness using immersive (XR) technologies". In 2021 IEEE International Conference on Intelligent Reality (ICIR), Piscataway, NJ, USA, 2021, pp. 1-8. https://doi.org/10.1109/ICIR51845.2021.00010

On the Use of Semantic Web Technologies for Forest Fire Emergencies in Resilient Societies

P. Masa , G. Meditskos, A. Karakostas , S. Vrochidis, I. Kompatsiaris, "On the Use of Semantic Web Technologies for Forest Fire Emergencies in Resilient Societies", In Proceedings of the 2021 International Conference on Security and Management (SAM'21), Las Vegas, USA, July 26-29, 2021.

OntoAqua: Ontology-based Modelling of Context in Water Safety and Security

Α.-Μ., Koufakis, S., Tzanakis, A., Moumtzidou, G., Meditskos, A., Karakostas, S., Vrochidis, I., Kompatsiaris, "OntoAqua: Ontology-based Modelling of Context in Water Safety and Security", In proceedings of the 13th International Conference on Knowledge Engineering and Ontology Development-KEOD 2021, Valletta, Malta, 25-27 October 2021.

An IoT-based Reliable Industrial Data Services for Manufacturing Quality Control

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", In Proceedings of the 2021 IEEE International Conference on Engineering, Technology and Innovation, 21-23 June 2021.

How to Collect Factories’ Requirements for Smart Manufacturing in Context of Quality Control: the i4Q Approach

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", In Proceedings of the 29th IEEE International Requirements Engineering Conference, Notre Dame, South Bend, USA, 20-24 September 2021.

Industrial Data Services for Quality Control in Smart Manufacturing – the i4Q Framework

A. Karakostas, F. Fraile, R. Poler, S. Vrochidis, "Industrial Data Services for Quality Control in Smart Manufacturing - the i4Q Framework", In Proceedings of the 2021 IEEE International Workshop on Metrology for Industry 4.0 and IoT, Virtual, 07-09 June 2021.

Performance, challenges, and limitations in multimodal fall detection systems: a review

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.

Smart integration of sensors, computer vision and knowledge representation for intelligent monitoring and verbal human-computer interaction

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, pages321–345.

Earthquakes: from Twitter detection to EO data processing

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", In the proceedings of the 5th International Conference on Dynamics of Disasters (DOD 2021), Virtual, 15-18 July 2021.

ECHO Federated Cyber Range: Towards Next-Generation Scalable Cyber Ranges

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, Virtual, July 26 - 28, 2021.

Sensor Data Fusion and Autonomous Unmanned Vehicles for the Protection of Critical Infrastructures

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.

Spatio-temporal activity detection and recognition in untrimmed surveillance videos

Κ. Gkountakos, D. Touska, K. Ioannidis, T. Tsikrika, S. Vrochidis, & I. Kompatsiaris. "Spatio-temporal activity detection and recognition in untrimmed surveillance videos". In Proceedings of the 2021 International Conference on Multimedia Retrieval, August 2021.

Crowd Violence Detection from Video Footage

K. Gkountakos, K. Ioannidis, T.Tsikrika, S. Vrochidis, & Ι. Kompatsiaris, "Crowd Violence Detection from Video Footage". In 2021 International Conference on Content-Based Multimedia Indexing (CBMI). IEEE June 2021.

Combining RSSI and Accelerometer Features for Room-Level Localization

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.

Creating immersive experiences based on intangible cultural heritage

T. Pistola, S. Diplaris, C. Stentoumis, E. A. Stathopoulos, G. Loupas, T. Mandilaras, G. Kalantzis, I. Kalisperakis, A. Tellios, D. Zavraka, P. Koulali, V. Kriezi, V. Vraka, F. Venieri, S. Bacalis, S. Vrochidis, I. Kompatsiaris, "Creating immersive experiences based on intangible cultural heritage", In Proceedings of the 1st IEEE International Conference on Intelligent Reality (ICIR 2021), Virtual, 12-13 May, 2021.

ITI-CERTH participation in TRECVID 2019

K. Gkountakos, K. Ioannidis, S. Vrochidis, I. Kompatsiaris, "ITI-CERTH participation in TRECVID 2019", Proc. TRECVID 2019 Workshop, Gaithersburg, MD, USA, Nov. 2019.

ITI-CERTH participation in TRECVID 2020

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.

Dark Web Ιnvestigation

B. Akhgar, M. Gercke, S. Vrochidis, H. Gibson (2021). Dark Web investigation. 288 Pages, Springer.

Harmonizing Data Collection in an Ontology for a Risk Management Platform

D. C. 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 2018, Shaker-Verlag.

Proceedings of the AAMAS Workshop on Intelligent Conversation Agents in Home and Geriatric Care Applications co-located with the Federated AI Meeting (FAIM 2018)

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.

Designing Attractive T-Learning Courses Applications for Interactive Digital TV

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.

T-Learning Technologies

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.

An Integrated Framework for Personalized t-learning

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.

Enhancing Patent Search with Content-based Image Retrieval

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.

OSINT and the Dark Web

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.

Towards improved air quality monitoring using publicly available sky images

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.

Analysis of Suspended Terrorism-Related Content on Social Media

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.

Visual Recognition of Abnormal Activities in Video Streams

K. Gkountakos, K. Ioannidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. "Visual Recognition of Abnormal Activities in Video Streams". In Technology Development for Security Practitioners (pp. 151-165). Cham: Springer International Publishing.

Query reformulation based on word embeddings: A comparative study

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.

Multimodal Fusion of Big Multimedia Data, in Book: Big Data Analytics for Large-Scale Multimedia Search

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.

IoT and Semantic Web Technologies

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, p. 3-33.

A Hybrid Ontology and Visual-based Retrieval Model for Cultural Heritage Multimedia Collections

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.

A Technological Framework for the Authoring and Presentation of T-learning Courses

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.

A T-learning Courses Development and Presentation Framework

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.

Towards Content-based Patent Image Retrieval; A Framework Perspective

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.

Utilizing Implicit User Feedback to Improve Interactive Video Retrieval

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.

Content-Based Binary Image Retrieval using the Adaptive Hierarchical Density Histogram

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.

Concept-based Patent Image Retrieval

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.

Ontology-centered environmental information delivery for personalized decision support

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.

Environmental data extraction from heatmaps using the AirMerge system

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.

Gaze Movement-driven Random Forests for Query Clustering in Automatic Video Annotation

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.

Interactive video search tools: a detailed analysis of the video browser showdown 2015

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.

Multimedia retrieval based on non-linear graph-based fusion and partial least squares regression

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.

Hybrid Focused Crawling on the Surface and the Dark Web

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.

TENSOR: Retrieval and Analysis of Heterogeneous Online Content for Terrorist Activity Recognition

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.

A multimodal analytics platform for journalists analysing large-scale, heterogeneous multilingual and multimedia content

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.

Interactive Search or Sequential Browsing? A Detailed Analysis of the Video Browser Showdown 2018

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.

Converness: Ontology-driven Conversational Awareness and Context Understanding in Multimodal Dialogue Systems

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.

Probabilistic density-based estimation of the number of clusters using the DBSCAN-martingale process

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.

Oil Spill Identification from Satellite Images Using Deep Neural Networks

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.

The Backbone of Decision Support Systems: The Sensor to Decision Chain

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.

Blockchain and AI for the Next Generation Energy Grids: Cybersecurity Challenges and Opportunities

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.

Internet of Things Infrastructure for Security and Safety in Public Places

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.

A context-aware conversational agent in the rehabilitation domain

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.

EUCISE-OWL: An Ontology-based Representation of the Common Information Sharing Environment (CISE) for the Maritime Domain

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.

A novel feature selection method based on comparison of correlations for human activity recognition problems

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.

ITI-CERTH participation to TRECVID 2012

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, November 2012, Gaithersburg, MD, USA.