PUBLICATIONS

1. A. Papoutsis, A. Dimitriadis, D. Kavalieros, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "CTI-GEN: A Framework for Generating STIX 2.1 Compliant CTI Using Generative AI.", in Proceedings of the 2025 IEEE International Conference on Cyber Security and Resilience (IEEE CSR 2025), Crete, Greece, 4 - 6 August, 2025.
2. A. Papoutsis, A. Dimitriadis, I. Koritsas, D. Kavalieros, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "RuleXploit: A Framework for Generating Suricata Rules from Exploits Using Generative AI.", in Proceedings of the 2025 IEEE International Conference on Cyber Security and Resilience (IEEE CSR 2025), Crete, Greece, 4 - 6 August, 2025.
3. A. Dimitriadis, A. Papoutsis, D. Kavalieros, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "EVACTI: Evaluating the Actionability of Cyber Threat Intelligence", International Journal of Information Security, 2025.
4. E. Valla, A. Moumtzidou, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "Wildfire Event Detection using Social Media and Earth Observation Data.", in Proceedings of the Eleventh International Conference on Remote Sensing and Geoinformation of Environment, RSCy2025 (RSCy2025), Paphos, 17-19 March 2025, (Poster).
5. A. Spyros, A. Kougioumtzidou, A. Papoutsis, E. Darra, D. Kavallieros, A. Tziouvaras, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "A Comprehensive Survey of Manual and Dynamic Approaches for Cybersecurity Taxonomy Generation", Knowledge and Information Systems, 2025 OPEN ACCESS
6. A. Spyros, I. Koritsas, A. Papoutsis, P. Panagiotou, D. Chatzakou, D. Kavallieros, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "AI-Based Holistic Framework for Cyber Threat Intelligence Management," IEEE Access, vol. 13, pp. 20820-20846, 2025, DOI: 10.1109/ACCESS.2025.3533084 OPEN ACCESS
7. K. Gkountakos, D. Galanopoulos, A. Leventakis, G. Tsionkis, K. Stavrothanasopoulos, K. Ioannidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2024.", in Proceedings of the TRECVID 2024 Workshop, Gaithersburg, MD, USA, November 2024. OPEN ACCESS
8. G. Koutidis, K. Loumponias, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Towards AI-Driven Prediction of Terrorism Risk Based on the Analysis of Localized Web News.", IEEE Access, vol. 12, pp. 167288-167299, 2024. https://doi.org/10.1109/ACCESS.2024.3485913 OPEN ACCESS
9. N. Mylonas, N. Stylianou, D. Chatzakou, T. Spathi, S. Alevizos, A. Drandaki, A. Koufakis, G. Kalpakis, T. Tsikrika, S. Vrochidis, "Online Child Grooming Detection: Challenges and Future Directions.", in Paradigms on Technology Development for Security Practitioners, I. Gkotsis, D. Kavallieros, N. Stoianov, S. Vrochidis, D. Diagourtas, B. Akhgar, (eds), Security Informatics and Law Enforcement, Springer, Cham, pp 237–247. https://doi.org/10.1007/978-3-031-62083-6_19
10. M. Papoutsoglou, G. Meditskos, N. Bassiliades, E. Kontopoulos, S. Vrochidis, "Mapping the Current Status of CTI Knowledge Graphs through a Bibliometric Analysis.", in Proceedings of the 13th Conference on Artificial Intelligence (SETN 2024), Piraeus, Greece, ACM, New York, NY, USA, September 11–13, 2024, pp. 1 - 6. OPEN ACCESS
11. A. Kougioumtzidou, A. Papoutsis, D. Kavallieros, T. Mavropoulos, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "An End-to-End Framework for Cybersecurity Taxonomy and Ontology Generation and Updating.", in Proceedings of the IEEE International Conference on Cyber Security and Resilience, CSR 2024, London, UK, September 2-4, 2024.
12. N. Avgerinos, P. Mertis, M. Tsagaris, N. Desipris, G. Lyberopoulos, E. Theodoropoulou, K. Filis, J. Sarajlić, M. Pastor, D. Chatzakou, G. Kalpakis, C. Chatzikonstantinou, D. Tsatsou, S. Demertzis, P. Leskovsky, C. Mendes, S. Linehan, J. Mulcahy, I. Karvelas, M. Álvarez Fernández, A. Alegria, "Innovative Digital Forensic and Investigation Tools for Law Enforcement: The EMPOWER & TRACY Approach.", in Proceedings of the 20th International Conference on Artificial Intelligence Applications and Innovations (AIAI 2024), Corfu, Greece, 27-30 June 2024. OPEN ACCESS
13. A. Bozas, S. Andreadis, D. Chatzakou, S. Symeonidis, O. Theodosiadou, P. Kyriakidis, A. Kokkalas, E. A. Stathopoulos, S. Diplaris, T. Tsikrika, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, “What Can We Extract with Social Media Sensing? - Insights from Research to Applications.” SN COMPUT. SCI., vol. 5, 2024. https://doi.org/10.1007/s42979-024-02712-9 OPEN ACCESS
14. S. Bianchi, M. Mancuso, C. Paternoster, G. Kalpakis, T. Tsikrika, S. Vrochidis, D. Kozhuharova, B. Jaeger, "Artificial Intelligence to counter Cyber-Terrorism.",in Proceedings of the International Conference on Cybersecurity and Cybercrime, vol. 10, 5-7 December 2023.
15. D. Touska, K. Gkountakos, O. Theodosiadou, T. Tsikrika, S. Vrochidis, "Object Detection and Recognition in Visual Content Understanding", CERTH, Thessaloniki, Greece, Tech. Rep. INFINITY project H2020, 2023.
16. O. Theodosiadou, A. M. Koufakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Change Point Analysis of Time Series Related to Bitcoin Transactions: Towards the Detection of Illegal Activities.", J. Risk Financial Manag., vol. 16, no. 9, 2023. DOI:doi.org/10.3390/jrfm16090408 OPEN ACCESS
17. P. Masa, S. Kintzios, Z. Vasileiou, G. Meditskos, S. Vrochidis, I. Kompatsiaris, "A Semantic Framework for Decision Making in Forest Fire Emergencies.", Appl. Sci., vol. 13, no. 16, 2023. https://doi.org/10.3390/app13169065 OPEN ACCESS
18. K. Loumponias, A. Kosmatopoulos, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Modified SkipGram Negative Sampling Model for Faster Convergence of Graph Embedding.", in Deep Learning Theory and Applications (DeLTA 2022), vol. 1858, Communications in Computer and Information Science, F. A. Sansone, C. Gusikhin, O. Madani, Eds., Cham, Switzerland: Springer, 2023, pp. 1-16. OPEN ACCESS
19. G. Orfanidis, K. Ioannidis, S. Vrochidis, I. Kompatsiaris, "Tweaking EfficientDet for frugal training.", in Proceedings of the International Conference on Multimedia Retrieval 2023 (ICMR 2023), Thessaloniki, Greece, 12 - 15 June 2023. OPEN ACCESS
20. N. Stylianou, D. Chatzakou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, “Domain-aligned Data Augmentation for Low-resource and Imbalanced Text Classification” in Proceedings of the 45th European Conference on Information Retrieval (ECIR'23), Dublin, Ireland, April 02-06, 2023.
21. D. Touska, K. Gkountakos, K. Ioannidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Graph-Based Data Association in Multiple Object Tracking: A Survey.", in Proceedings of the 29th International Conference on Multimedia Modeling (MMM 2023), Bergen, Norway, 9 - 12 January 2023. OPEN ACCESS
22. K. Loumponias, S. Raptis, E. Darra, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Forecasting Cyber-Attacks to Destination Ports Using Machine Learning", in Proceedings of the 9th International Conference on Information Systems Security and Privacy (ICISSP), Lisbon, Portugal, 22-24 February, 2023.
23. Z. Vasileiou, G. Meditskos, S. Vrochidis, N. Bassiliades, "An Explainable Intervention Prediction for Trauma Patients.", in Proceedings of the Semantic Web Applications and Tools for Health Care and Life Sciences (SWAT4HCLS), Basel Switzerland, 13-16 February 2023 (Poster).
24. O. Theodosiadou, D. Chatzakou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Real-time Threat Assessment based on Hidden Markov Models", Risk Analysis 2023, vol. 43, no. 10, pp. 2069-2081, October 2023. https://doi.org/10.1111/risa.14105
25. K. Stavrothanasopoulos, K. Gkountakos, K. Ioannidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Vehicle Color Identification Framework using Pixel-level Color Estimation from Segmentation Masks of Car Parts.", in Proceedings of the Fifth IEEE International Conference on Image Processing, Applications and Systems (IPAS 2022), Genova, Italy, 07-09 December, 2022. OPEN ACCESS
26. K. Gkountakos, D. Galanopoulos, D. Touska, K. Ioannidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2022.", in Proceedings of the TRECVID 2022 Workshop, Gaithersburg, MD, USA, 6 December 2022. OPEN ACCESS
27. A. M. Koufakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2022.", in Proceedings of the Text REtrieval Conference (TREC) 2022 Workshop, Gaithersburg, MD, USA, 14-18 November 2022. OPEN ACCESS
28. P. Masa, G. Tzanetis, S. Kintzios, G. Meditskos, S. Vrochidis, I. Vourvachis, L. Nerantzis, I. Kompatsiaris, "Ontology-based technologies for disaster preparedness, response and recovery.", in Proceedings of the 9th International Conference on Civil Protection & New Technologies (SafeThessaloniki 2022), Thessaloniki, Greece, 29 September - 1 October 2022. OPEN ACCESS
29. P. Masa, G. Meditskos, S. Kintzios, S. Vrochidis, I. Kompatsiaris, "Ontology-based Modelling and Reasoning for Forest Fire Emergencies in Resilient Societies.", in Proceedings of the 12th EETN Conference on Artificial Intelligence (SETN 2022), Corfu, Greece, September 7-9, 2022.
30. C. Iliou, T. Kostoulas, T. Tsikrika, V. Katos, S. Vrochidis, I. Kompatsiaris, "Web Bot Detection Evasion Using Deep Reinforcement Learning.", in Proceedings of the 17th International Conference on Availability, Reliability and Security (ARES 2022), ACM, 23-26 August, 2022, pp. 1 - 10. DOI:10.1145/3538969.3538994 OPEN ACCESS
31. Z. Vasileiou, G. Meditskos, S. Vrochidis, N. Bassiliades, "An Explainable Multimodal Fusion Approach for Mass Casualty Incidents.", in Proceedings of the 4th International Workshop on Machine Learning and Knowledge Graphs At 33rd International Conference on Database and Expert Systems Applications, DEXA 2022, Vienna, Austria, August 22-24, 2022. OPEN ACCESS
32. M. Caballero, D. Kavallieros, A. Spyros, A. Tavernarakis, A. Tziouvaras, S. Bonacina, K. Chandrarmouli, M. Coroiu, L. Chen, T. Dounia, I. Giannoulakis, N. Gligoricx , E. Kafetzakis, T. Kasig, V. Koumaras, T. Krousarlis, K. Lapidaki, A. Markakis, S. Marin, M. Manulis, S. Menesidou, S. Nifakos, L. Meng, S. Mhiri, M. Nat, K. Ntafloukas, D. Oniga, D. Papamartzivanos, S. Papastergiou, K. Sanchez, C. Sakkas, K. Stelliou, L. Trujillo, T. Tsikrika, E. Venegas, S. Vrochidis, D. Xydias, "ICT in Healthcare: the role of IoT and the SECANT solution.", in Proceedings of the IEEE International Conference on Cyber Security and Resilience (CSR), 27-29 July, 2022, pp. 104-111. OPEN ACCESS
33. A. Papoutsis, C. Iliou, D. Kavallieros, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Host-based Cyber Attack Pattern Identification on Honeypot Logs Using Association Rule Learning.", in Proceedings of the IEEE International Conference on Cyber Security and Resilience, Virtual Conference, 27-29 July, 2022, pp. 50-55. DOI: 10.1109/CSR54599.2022.9850317 OPEN ACCESS
34. A. Spyros, A. Papoutsis, I. Koritsas, N. Mengidis, C. Iliou, D. Kavallieros, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Towards Continuous Enrichment of Cyber Threat Intelligence: A Study on a Honeypot Dataset.", in Proceedings of the IEEE International Conference on Cyber Security and Resilience (CSR), 27-29 July, 2022, pp. 267-272. DOI: 10.1109/CSR54599.2022.9850295 OPEN ACCESS
35. N. Mengidis, M. Bozhilova, C. Ceresola, C. Colabuono, M. Cooke, G. Depaix, A. Genchev, G. Koykov, W. Mees, M. Merialdo, A. Voulgaridis, T. Tsikrika, K. Votis, S. Vrochidis, "Leveraging Cyber Ranges for Prototyping, Certification and Training: The ECHO case.", in Proceedings of the IEEE International Conference on Cyber Security and Resilience (CSR), July 27-29, 2022, pp. 299-304. DOI: 10.1109/CSR54599.2022.9850278 OPEN ACCESS
36. K. Loumponias, A. Kosmatopoulos, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "A Faster Converging Negative Sampling for the Graph Embedding Process in Community Detection and Link Prediction Tasks.", in Proceedings of the 3rd International Conference on Deep Learning Theory and Applications - DeLTA, SciTePress, Lisbon, Portugal, 2022, pp. 86-93. DOI: 10.5220/0011142000003277
37. R. Karlović, H. Nitsch, E. Fikenscher, D. Osterman, S. Menexis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, A. Sahar, "The Threat of Behavioral Radicalization Online: Conceptual Challenges and Technical Solutions Provided by the PROPHETS (Preventing Radicalization Online through the Proliferation of Harmonized ToolkitS) Project.", in Security Technologies and Social Implications: A European Perspective, G. Markarian, R. Karlović, H. Nitsch, and K. Chandramouli, Eds., 2022 (accepted for publication).
38. G. Begkas, P. Giannakeris, K. Ioannidis, G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Automatic Visual Recognition of Unexploded Ordnances Using Supervised Deep Learning.", in Proceedings of the International Conference on Multimedia Retrieval, Newark, NJ, USA, June 27-30, 2022, pp. 286-294. DOI: https://doi.org/10.1145/3512527.3531383
39. M. Pegia, A. Moumtzidou, I. Gialampoukidis, B. Johnsson, S. Vrochidis, I. Kompatsiaris, "BiasHash: A Bayesian Hashing Framework for Image Retrieval.", in Proceedings of the IEEE 14th Image, Video, and Multidimensional Signal Processing Workshop (IVMSP 2022), Nafplio, Greece, 26-29 June 2022. DOI: 10.1109/IVMSP54334.2022.9816233
40. M. Sdraka, I. Papoutsis, B. Psomas, K. Vlachos, K. Ioannidis, K. Karantzalos, I. Gialampoukidis, S. Vrochidis, "Deep Learning for Remote Sensing Image Downscaling: Fusion and Super-Resolution.", IEEE Geoscience and Remote Sensing Magazine, vol. 10, no. 3, pp. 202-255, 02 June 2022. DOI: 10.1109/MGRS.2022.3171836 OPEN ACCESS
41. 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 Proceedings of the TRECVID 2021 Workshop, Gaithersburg, MD, USA (Virtual), 2021. OPEN ACCESS
42. A. M. Koufakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2021.",in Proceedings of the Text REtrieval Conference (TREC). OPEN ACCESS
43. 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, vol. 12, 2021. OPEN ACCESS
44. Α. M. 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.
45. G. Antzoulatos, G. Orfanidis, P. Giannakeris, G. Tzanetis, G. Stathopoulos, N. Kopalidis, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "Severity level assessment from semantically fused video content analysis for physical threat detection in ground segments of space systems.", in Proceedings of the 2nd International Workshop on Cyber-Physical Security for Critical Infrastructures Protection (CPS4CIP 2021), 4-8 October 2021. OPEN ACCESS
46. P. Panagiotou, N. Mengidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Host-based Intrusion Detection Using Signature-based and AI-driven Anomaly Detection Methods.",Information & Security: An International Journal, vol. 50, no. 1, pp. 37-48, 2021. OPEN ACCESS
47. K. 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. OPEN ACCESS
48. A. Kosmatopoulos, K. Loumponias, D. Chatzakou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Random-Walk Graph Embeddings and the Influence of Edge Weighting Strategies in Community Detection Tasks.",in Proceedings of the 2021 Workshop on Open Challenges in Online Social Networks (OASIS ’21), ACM, New York, NY, USA, Virtual Event, Ireland, August 30, 2021. OPEN ACCESS
49. 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., vol. 1, no. 2, pp. 56-85, 2021. OPEN ACCESS
50. C. Iliou, T. Kostoulas, T. Tsikrika, V. Katos, S. Vrochidis, 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. DOI: 10.1109/CSR51186.2021.9527915 OPEN ACCESS
51. P. Evangelatos, C. Iliou, T. Mavropoulos, K. Apostolou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Named Entity Recognition in Cyber Threat Intelligence Using Transformer-based Models.",in Proceedings of the 2021 IEEE International Conference on Cyber Security and Resilience (IEEE CSR) – Workshops, Virtual Conference, July 26 (Monday) – 28 (Wednesday), 2021, pp. 348-353. DOI: 10.1109/CSR51186.2021.9527981 OPEN ACCESS
52. P. Panagiotou, C. Iliou, K. Apostolou, T. Tsikrika, S. Vrochidis, P. Chatzimisios, I. Kompatsiaris, "Towards Selecting Informative Content for Cyber Threat Intelligence.", in Proceedings of the 2021 IEEE International Conference on Cyber Security and Resilience (IEEE CSR) – Workshops, Virtual Conference, July 26 (Monday) – 28 (Wednesday), 2021, pp. 354-359. DOI: 10.1109/CSR51186.2021.9527909 OPEN ACCESS
53. N. Oikonomou, N. Mengidis, M. Karalexidis, A. Voulgaridis, M. Merialdo, I. Raisr, K. Hanson, P. Vallee, T. Tsikrika, S. Vrochidis, K. Votis, "ECHO Federated Cyber Range: Towards Next-Generation Scalable Cyber Ranges.", in Proceedings of the 2021 IEEE International Conference on Cyber Security and Resilience (IEEE CSR) – Workshops, Virtual Conference, Virtual, July 26 - 28, 2021. OPEN ACCESS
54. 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, M. Amine Ben Farah, "Cyber security certification programmes.", in Proceedings of the 2021 IEEE International Conference on Cyber Security and Resilience (IEEE CSR) – Workshops, Virtual Conference, July 26 (Monday) – 28 (Wednesday), 2021, pp. 428-435. DOI: 10.1109/CSR51186.2021.9527974
55. 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), vol. 2, no. 3, pp. 1 - 26, 2021. DOI:10.1145/3447815 OPEN ACCESS
56. G. Antzoulatos, I. Koulalis, A. Karakostas, S. Vrochidis, I. Kompatsiaris, "Towards integrating a multi-layer Machine Learning Data Fusion approach into Crisis Classification and Risk Assessment of extreme natural events", in Technology Development for Security Practitioners, B. Akhgar, D. Kavallieros, and E. Sdongos, Eds., Springer, Security Informatics and Law Enforcement Series, 2021. OPEN ACCESS
57. K. Gkountakos, K. Ioannidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Visual Recognition of Abnormal Activities in Video Streams.", in Technology Development for Security Practitioners, Cham: Springer International Publishing, pp. 151-165. OPEN ACCESS
58. K. Gkountakos, K. Ioannidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Crowd Violence Detection from Video Footage.", in Proceedings of the 2021 International Conference on Content-Based Multimedia Indexing (CBMI), IEEE, June 2021. OPEN ACCESS
59. K. Ioannidis, G. Orfanidis, M. Krestenitis, S. Vrochidis, I. Kompatsiaris, "Sensor Data Fusion and Autonomous Unmanned Vehicles for the Protection of Critical Infrastructures.", in Terahertz (THz), Mid Infrared (MIR) and Near Infrared (NIR) Technologies for Protection of Critical Infrastructures Against Explosives and CBRN, NATO Science for Peace and Security Series B: Physics and Biophysics, Springer Netherlands, 2021, pp. 3–17. OPEN ACCESS
60. A. Tsanousa, V. R. Xefteris, G. Meditskos, S. Vrochidis, I. Kompatsiaris, "Combining RSSI and Accelerometer Features for Room-Level Localization.", Sensors, vol. 21, no. 8, 2021. OPEN ACCESS
61. N. Mengidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Cybersecurity in Next Generation Energy Grids: Challenges and Opportunities for Blockchain and AI Technologies.", in Digital Transformation, Cyber Security and Resilience of Modern Societies, T. Tagarev, K. T. Atanassov, V. Kharchenko, and J. Kacprzyk, Eds., Studies in Big Data, vol 84. Springer, Cham, pp. 299-314. DOI:https://doi.org/10.1007/978-3-030-65722-2_18 OPEN ACCESS
62. B. Akhgar, M. Gercke, S. Vrochidis, H. Gibson (2021). Dark Web investigation. 288 Pages, Springer.
63. 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.", in Proceedings of the TRECVID 2020 Workshop, Gaithersburg, MD, USA, December 2020. OPEN ACCESS
64. A. 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.",in Proceedings of the 39th International Conference on consumer Electronics (IEEE ICCE21), 10-12 January 2021. OPEN ACCESS
65. G. Orfanidis, K. Ioannidis, A. Tefas, S. Vrochidis, I. Kompatsiaris, "A modified Single-Shot multibox Detector for beyond Real-Time Object Detection.", in Proceedings of the 25th International Conference on Pattern Recognition, (ICPR 2020), Milan, Italy, 10 & 15 January 2021.
66. A. Chatzimichail, E. Stathopoulos, D. Ntioudis, A. Tsanousa, M. Rousi, A. Mavropoulos, G. Meditskos, S. Vrochidis, I. Kompatsiaris, "IoT and Semantic Web Technologies.", in Semantic IoT: Theory and Applications - Interoperability, Provenance and Beyond, Studies in Computational Intelligence, Springer, 2020, p. 3-33. OPEN ACCESS
67. 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, July 6-10, 2020. OPEN ACCESS
68. 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 ‘20), Dublin, Ireland, June 8–11, 2020, pp. 276 - 280. OPEN ACCESS
69. D. Ntioudis, A. Chatzimichail, G. Meditskos, S. Vrochidis, I. Kompatsiaris, "Ontology-based Reasoning for Critical Incidents in Public Events.", in Proceedings of the 1st International Workshop on IoT infrastructures for safety in pervasive environments (IoT4SAFE), 2 June, 2020.
70. A. Koufakis, D. Chatzakou, G. Meditskos, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Semantic Web Technologies in Fighting Crime and Terrorism: The CONNEXIONs Approach.", in Proceedings of the 1st International Workshop on IoT infrastructures for safety in pervasive environments (IoT4SAFE), Invited talk, 2 June, 2020. OPEN ACCESS
71. 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 ISCRAM Conference – Blacksburg, VA, USA May 2020, Amanda Lee Hughes, Fiona McNeil and Christopher Zobel, Eds., 2020. OPEN ACCESS
72. K. Gkountakos, K. Ioannidis, S. Vrochidis, I. Kompatsiaris, "ITI-CERTH participation in TRECVID 2019.", in Proceedings of the TRECVID 2019 Workshop, Gaithersburg, MD, USA, November 2019. OPEN ACCESS
73. A. Katmada, G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "An extensible framework for interactive real-time visualizations of large-scale heterogeneous multimedia information from online sources.", in Proceedings of the International Conference on Multimedia Modeling (MMM2020), Special Session on “Multimedia Analytics: Perspectives, Tools and Applications”, Daejeon, Korea, 5-8 January 2020.
74. A. Tsanousa, A. Chatzimichail, G. Meditskos, S. Vrochidis, I. Kompatsiaris, "Model-based and Class-based Fusion of Multisensor Data.", in Proceedings of the Medical Domain and Pervasive Environments (MULTIMED2020), International Conference on Multimedia Modeling (MMM2020), Daejeon, Korea, 5-8 January 2020. OPEN ACCESS
75. S. Andreadis, A. Moumtzidou, K. Apostolidis, K. Gkountakos, D. Galanopoulos, E. Michail, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "VERGE IN VBS 2020.", in Proceedings of the 26th Int. Conf. on Multimedia Modeling (MMM2020), Daejeon Convention Center (DCC), Korea, 5-8 January 2020. OPEN ACCESS
76. M. Riga, E. Kontopoulos, K. Ioannidis, S. Kintzios, S. Vrochidis, I. Kompatsiaris, "EUCISE-OWL: An Ontology-based Representation of the Common Information Sharing Environment (CISE) for the Maritime Domain.", Semantic Web, vol. 12, no. 2, pp. 1-13, 2020. OPEN ACCESS
77. N. Bastas, G. Kalpakis, T. Tsikrika, S. Vrochidis & Y. Kompatsiaris, "A comparative study of clustering methods using word embeddings", in Proceedings of the 2019 European Intelligence and Security Informatics Conference (EISIC 2019), Oulu, Finland, 24-26 November 2019. https://ieeexplore.ieee.org/document/9108898
78. 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", in Mediterranean Security Event 2019 (MSE2019) 29th and the 31st of October 2019 Heraklion, Greece. OPEN ACCESS
79. A. Chatzimichail, A. Tsanousa, G. Meditskos, S. Vrochidis, and I. Kompatsiaris, "RSSI Fingerprinting Techniques for Indoor Localization Datasets", in International Conference on Interactive Mobile Communication, Technologies and Learning, Thessaloniki, Greece October 31- November 01, 2019. https://doi.org/10.1007/978-3-030-49932-7_45
80. 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
81. 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
82. 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
83. G. Orfanidis, S. Apostolidis, A. Kapoutsis, K. Ioannidis, E. Kosmatopoulos, S. Vrochidis, & I. Kompatsiaris , "Autonomous swarm of heterogeneous robots for surveillance operations", in Workshop on Vision-enabled UAV and counter-UAV technologies for surveillance and security of critical infrastructures (UAV4S), Thessaloniki, Greece, 2019. OPEN ACCESS
84. 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
85. C. Iliou, T. Kostoulas, T. Tsikrika, V. Katos, S. Vrochidis, and Y. Kompatsiaris, "Towards a framework for detecting advanced Web bots", Iin Proceedings of the 14th International Conference on Availability, Reliability and Security, p. 18. ACM, 2019. OPEN ACCESS
86. 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
87. 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, 15-17 July 2019. OPEN ACCESS
88. 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 Proceedings in 4th International Conference on Dynamic of Disasters - DOD 2019, Kalamata, 2019.
89. 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, Santorini Island, Greece May 29-31, 2019. DOI: 10.1109/DCOSS.2019.00069
90. 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
91. 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
92. G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Identifying terrorism-related key actors in multidimensional social networks", in Proc. 25th Int. Conf. on Multimedia Modeling (MMM2019), Thessaloniki, Greece, Jan. 2019. OPEN ACCESS
93. 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 (MMM2019), Thessaloniki, Greece, Springer LNCS vol. 11296, pp. 602-608, Jan. 2019. OPEN ACCESS
94. E. Kontopoulos, P. Mitzias, S. Dasiopoulou, J. Mossgraber, 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", in 2nd International Conference Citizen Observatories for natural hazards and Water Management (COWM 2018), 27-30 November 2018, Venezia, Italy. OPEN ACCESS
95. 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", in 2nd International Conference Citizen Observatories for natural hazards and Water Management (COWM 2018), 27-30 November 2018, Venezia, Italy. OPEN ACCESS
96. 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", in 2nd International Conference Citizen Observatories for natural hazards and Water Management (COWM 2018), 27-30 November 2018, Venezia, Italy. OPEN ACCESS
97. 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", in Proc. TRECVID 2018 Workshop, Gaithersburg, MD, USA, Nov. 2018. OPEN ACCESS
98. C. Iliou, T. Tsikrika, G. Kalpakis, S. Vrochidis, I. Kompatsiaris, "Adaptive focused crawling using online learning: A study on content related to Islamic extremism", in 5th International conference ‘Internet Science’ (INSCI’2018), 24-26 October 2018, St. Petersburg, Russia. OPEN ACCESS
99. 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 2018, Shaker-Verlag. https://beaware-project.eu/wp-content/uploads/2018/08/factsheet_v2.pdf
100. 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.
101. P. Giannakeris, V. Kaltsa, K. Avgerinakis, A. Briassouli, S. Vrochidis and I. Kompatsiaris,"Speed Estimation and Abnormality Detection from Surveillance Cameras'', in CVPRW NVIDIA AI City Challenge, 2018.
102. 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", in 13th Workshop on IEEE Image, Video, and Multidimensional Signal Processing (IVMSP 2018), 10-12 June 2018, Zagori, Greece. OPEN ACCESS
103. 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", in 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). OPEN ACCESS
104. 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", In Int. Conf. on Information Systems for Crisis Response and Management (ISCRAM'18). OPEN ACCESS
105. 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. OPEN ACCESS
106. 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
107. 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, pp. 344-351. Springer, Cham, 2017. OPEN ACCESS
108. 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", in Proc. TRECVID 2017 Workshop, Gaithersburg, MD, USA, Nov. 2017. OPEN ACCESS
109. 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
110. 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
111. 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
112. I. Gialampoukidis, G. Kalpakis, T. Tsikrika, S. Papadopoulos, S. Vrochidis, I. Kompatsiaris, "Detection of Terrorism-related Twitter Communities using Centrality Scores", in Proceedings of International Workshop on Multimedia Forensics and Security (MFSec 2017), Bucharest, Romania, June 06, 2017. OPEN ACCESS
113. 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, February 2017. OPEN ACCESS
114. 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
115. 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", in Proc. TRECVID 2016 Workshop, Gaithersburg, MD, USA, Nov. 2016. OPEN ACCESS
116. I. Gialampoukidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris,"Community Detection in Complex Networks Based on DBSCAN* and a Martingale Process", in 11th International Workshop on Semantic and Social Media Adaptation and Personalization (SMAP), 2016, pp. 1-6. IEEE.
117. 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, Aug 2016. DOI: 10.1109/ARES.2016.66
118. 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, 2016. DOI: 10.1109/EISIC.2016.029
119. 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", in 4th International Conference on Human Aspects of Information Security, Privacy and Trust, Toronto, Canada, 17 - 22 July 2016.
120. 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", in Proc. TRECVID 2015 Workshop, Gaithersburg, MD, USA, Nov. 2015.
121. 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, 2015. https://doi.org/10.1109/ARES.2015.86
122. 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, 2015. DOI: 10.1109/ARES.2015.85
123. 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", in 2nd International Workshop on Environmental Multimedia Retrieval (EMR 2015), Shanghai, China, June 23, 2015. https://doi.org/10.1145/2764873.2764876
124. 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", in Proc. 21st Int. Conf. on MultiMedia Modeling (MMM15), Sydney, Australia, Jan. 2015. https://doi.org/10.1007/978-3-319-14442-9_23
125. 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", in Proc. TRECVID 2014 Work-shop, Orlando, FL, USA, November 2014.
126. T. Tsikrika, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris, "Focused Crawling of Environmental Web Resources: A Pilot Study on the Combination of Multimedia Evidence", in Proceedings of 1st International Workshop on Environmental Multimedia Retrieval (EMR 2014), Glasgow, UK, April 1, 2014. DOI: 10.1007/s11042-015-2624-3
127. 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 2013 Workshop, Gaithersburg, MD, USA, 2013.
128. 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. https://doi.org/10.1007/978-3-642-41057-4_9