Publications

Full updated list at: https://m4d.iti.gr/publications/

Selected Publications

Journal Papers

• 1. 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, 2020 (https://doi.org/10.1007/s12652-020-01836-z)

1. 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-Interoperability, Usability, Applicability Journal, Accepted for Publication.

   1. 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 2019, 11(11), 231; https://doi.org/10.3390/fi11110231

2. 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 2019, 10(11), 333 (https://doi.org/10.3390/info10110333)

• 1. Notis Mengidis, Theodora Tsikrika, Stefanos Vrochidis, and Ioannis 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. https://doi.org/10.11610/isij.4302

  2. Krestenitis M., Orfanidis G., Ioannidis K., Avgerinakis K., Vrochidis S. and Kompatsiaris, I. (2019), Oil Spill Identification from Satellite Images Using Deep Neural Networks. Remote Sensing, 11(15), 1762.

  3. I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, and I. Antoniou (2019). “Probabilistic density-based estimation of the number of clusters using the DBSCAN-martingale process”, Pattern Recognition Letters, Vol. 123, pp 23-30, 2019. DOI: 10.1016/j.patrec.2019.03.002.

  4. 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, 2019

  5. 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 (2018). “A multimodal analytics platform for journalists analysing large-scale, heterogeneous multilingual and multimedia content”, Frontiers in Robotics and AI, 5, 123.

  6. 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 2018, 7.

  7. 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 Security Sciences: Secure Societies, 2017.

  8. Iliou, G. Kalpakis, T. Tsikrika, S. Vrochidis, ?. Kompatsiaris, "Hybrid Focused Crawling on the Surface and the Dark Web", EURASIP Journal on Information Security, vol. 2017, no. 11, 2017. DOI: 10.1186/s13635-017-0064-5

  9. Gialampoukidis, A. Moumtzidou, D. Liparas, T. Tsikrika, S. Vrochidis, I. Kompatsiaris (2017). "Multimedia retrieval based on non-linear graph-based fusion and partial least squares regression", Multimedia Tools and Applications, 2017 (accepted for publication)

  10. Vrochidis, I. Patras and I. Kompatsiaris, "Gaze Movement-driven Random Forests for Query Clustering in Automatic Video Annotation", Multimedia Tools and Applications, 2016.

  11. Claudiu Cobarzan, Klaus Schoeffmann, Werner Bailer, Wolfgang Hurst, Adam Blazek, Jakub Lokoc, Stefanos Vrochidis, Kai U. Barthel, and Luca Rossetto. “Interactive Video Search Tools: A Detailed Analysis of the Video Browser Showdown 2015“, in Multimedia Tools and Applications (MTAP), 2016, pp. 1-33

  12. 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, doi: 10.1007/s11042-015-2624-3

  13. 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, doi: 10.1007/s11042-015-2604-7

  14. 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.

  15. 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, doi: 10.1016/j.envsoft.2014.11.021

  16. 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, December 2014.

  17. 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, http://dx.doi.org/10.1016/j.ecoinf.2013.08.003.

  18. Vrochidis, A. Moumtzidou, and I. Kompatsiaris, "Concept-based Patent Image Retrieval", World Patent Information Journal, Volume 34, Issue 4, pp. 292-303, December 2012.

  19. 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, April 2011.

  20. Vrochidis, I. Kompatsiaris and I. Patras, "Utilizing Implicit User Feedback to Improve Interactive Video Retrieval". In Advances in Multimedia, Hindawi, vol. 2011, Article ID 310762, 18 pages, 2011. doi:10.1155/2011/310762

  21. Stefanos Vrochidis, Symeon Papadopoulos, Anastasia Moumtzidou, Panagiotis Sidiropoulos, Emanuelle Pianta, Ioannis Kompatsiaris, "Towards Content-based Patent Image Retrieval; A Framework Perspective", World Patent Information Journal, Volume 32, Issue 2, pp 94-106, June 2010.

  22. Francesco Bellotti, Stefanos Vrochidis, Eirini Parissi, Pascal Lhoas, Damien Mathevon, Matteo Pellegrino, Giancarlo Bo and Ioannis Kompatsiaris, "A T-learning Courses Development and Presentation Framework", IEEE Multidisciplinary Engineering Education Magazine, Vol 3, No 3, pp 69-76, September 2008.

  23. Francesco Bellotti, Stefanos Vrochidis, Sophie Ramel, Ioannis Tsampoulatidis, Pascal Lhoas, Matteo Pellegrino, Giancarlo Bo and Ioannis 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, 2008.

  24. Stefanos Vrochidis, Charalampos Doulaverakis, Anastasios Gounaris, Evangelia Nidelkou, Lambros Makris and Ioannis 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, 2008.

Book Chapters

• 1. 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, 2016.

  2. Moumtzidou, S. Vrochidis, I. Kompatsiaris, "Discovery, Analysis and Retrieval of Multimodal Environmental Information",Third Edition. IGI Global, 2015. 4528-4542.

  3. 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, 2014, pp 250-273.

  4. 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, 2010.

  5. 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, October 2008.

  6. 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" Annual Proceedings of Vidzeme University College, "ICTE in Regional Development", 2007, Valmiera, Latvia, pp 87-95, ISBN 9984-633-10-1.

Conference Papers

• 1. 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), 9-10 May, Athens, Greece, 2019

  2. 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’19). ACM, Rhodes ,Greece, June 5-7, 2019.

  3. 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, (2018) “Harmonizing Data Collection in an Ontology for a Risk Management Platform”, In proceedings of Enviroinfo 2018, Shaker-Verlag

  4. A. Karakostas, S. Vrochidis, Y. Kompatsiaris, B. Kantsepolsky, J. Moßgraber, S. Dasiopoulou, B. Mandler, A. Karppinen, M. Ferri, I. Vourvachis, C. Castro, K. Lintrup, (2018) “beWARE: Enhancing Decision Support and Management Services in Extreme Weather Climate Events”, In proceedings of Enviroinfo 2018, Shaker-Verlag

  5. G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, “Identifying terrorism-related key actors in multidimensional social networks”, Proc. 25th Int. Conf. on Multimedia Modeling (MMM2019), Thessaloniki, Greece, Jan. 2019.

  6. 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.

  7. 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, 26-28 August 2018, Belgrade, Serbia.

  8. M.Krestenitis, G.Orfanidis, K.Ioannidis, K.Avgerinakis, S.Vrochidis, I.Kompatsiaris, “Early Identification of Oil Spills in Satellite Images Using Deep CNNs”, International Conference on MultiMedia Modeling, January 2019, Thessaloniki, Greece.

  9. 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), 15th of July, Stockholm, Sweden, 2018.

  10. 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”, International Conference on Multimedia Modeling, January 2019.

  11. 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.

  12. 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, Venice, 27-30 November 2018.

  13. 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 2018, 18-21 September 2018, Antwerp, Belgium.

  14. 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

  15. 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, October 2018.

  16. 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, 2018.

  17. 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

  18. Kontopoulos, E., Mitzias, P., Mo?graber, J., Hertweck, P., van der Schaaf, H., Hilbring, D., Lombardo, F., Norbiato, D., Ferri, M., Karakostas, A. Vrochidis, S., Kompatsiaris, I. (2018). 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), accepted for publication.

  19. Tsikrika T., Symeonidis S., Gialampoukidis I., Satsiou A., Vrochidis S., Kompatsiaris I. (2018) A Hybrid Recommendation System Based on Density-Based Clustering. In: Diplaris S., Satsiou A., Folstad A., Vafopoulos M., Vilarinho T. (eds) Internet Science. INSCI 2017 International Workshops, IFIN, DATA ECONOMY, DSI, and CONVERSATIONS, Revised Selected Papers. Lecture Notes in Computer Science, vol 10750. Springer, Cham https://doi.org/10.1007/978-3-319-77547-0_5

  20. 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.

  21. M. Riga, E. Kontopoulos, K. Karatzas, S. Vrochidis and I. Kompatsiaris (2018). "An Ontology-based Decision Support Framework for Personalized Quality of Life Recommendations". In: 4th International Conference on Decision Support System Technology (ICDSST2018), 22-25 May 2018, Heraklion, Crete, Greece.

  22. 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), 23 April 2018, Lyon, France.

  23. 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 (MWBS2018), 27-28 March 2018, ESA-ESRIN Frascati, Italy.

  24. Moßgraber, J., Hilbring, D., van der Schaaf, H., Hertweck, P., Kontopoulos, E., Mitzias, P., Kompatsiaris, I., Vrochidis, S., Karakostas, A. (2018). The Sensor to Decision Chain in Crisis Management. Int. Conf. on Information Systems for Crisis Response and Management (ISCRAM'18).

  25. 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), Barcelona, Catalonia, November 2017.

  26. 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, 28-30 November 2017, Toulouse, France.

  27. 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 2018.

  28. 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.

  29. S. Andreadis, I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris. "A Topic Detection and Visualisation System on Social Media Posts." In International Conference on Internet Science, pp. 421-427. Springer, Cham, 2017.

  30. 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 2017 Workshop, Gaithersburg, MD, USA, Nov. 2017.

  31. Avgerinakis, P. Giannakeris, A. Briassouli, A. Karakostas, S. Vrochidis, I. Kompatsiaris, “LBP-flow and hybrid encoding for real-time water and fire classification”, ICCV-MSF 2017, IEEE/ISPRS 4th Joint Workshop on Multi-Sensor Fusion for Dynamic Scene Understanding.

  32. Gialampoukidis, S. Vrochidis and I. Kompatsiaris. "Crater monitoring through social media observations", In European Planetary Science Congress 2017, 17–22 September 2017, accepted for publication

  33. 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 2017.

  34. 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, Aug. 2017, USA.

  35. 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 (accepted for publication).

  36. Mavropoulos, D. Liparas, S. Symeonidis, S. Vrochidis and I. Kompatsiaris, "A Hybrid Approach for Biomedical 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), April 17-23, 2017, Budapest, Hungary.

  37. 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.

  38. 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 at MMM 2017, accepted for publication, 2016

  39. 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'17) at the 23rd Int. Conf. on MultiMedia Modeling (MMM'17), Reykjavik, Iceland, 4 January 2017.

  40. Meditskos, G., Kontopoulos, E., Vrochidis, S., & Kompatsiaris, I. (2016). 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 (2016).

  41. 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 2016 Workshop, Gaithersburg, MD, USA, Nov. 2016.

  42. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, "Incremental estimation of visual vocabulary size for image retrieval". In INNS Conference on Big Data, pp. 29-38. Springer International Publishing, 2016.

  43. 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, 2016.

  44. Moumtzidou, S. Papadopoulos, S. Vrochidis, I. Kompatsiaris, K. Kourtidis, G. Hloupis, I. Stavrakas, K. Papachristopoulou, 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.

  45. 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, Florence, Italy, Sept. 12-14 2016.

  46. 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, 2016 DOI: http://dx.doi.org/10.1145/2993318.2993331

  47. Iliou, G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Hybrid Focused Crawling for Homemade Explosives Discovery on Surface and Dark Web", 11th International Conference on Availability, Reliability and Security (ARES 2016), Salzburg, Austria, Aug 2016 (accepted for publication)

  48. 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, August 30, 2016.

  49. 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.

  50. Kalpakis, T. Tsikrika, C. Iliou, T. Mironidis, S. Vrochidis, J. Middleton, U. Williamson, I. Kompatsiaris, "Interactive Discovery and Retrieval of Web Resources Containing Home Made Explosive Recipes", 4th International Conference on Human Aspects of Information Security, Privacy and Trust, Toronto, Canada, 17 - 22 July 2016.

  51. 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, pp. 170-184, Springer International Publishing, 2016.

  52. 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, 2016.

  53. 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, 2016.

  54. 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, pp. 359-362, ACM.

  55. Wanner, J. Blat, S. Dasiopoulou, M. Domínguez, G. Llorach, S. Mille, F. Sukno, E. Kamateri, S. Vrochidis, I. Kompatsiaris, E. André, 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, June 6, 2016.

  56. 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 Retrieval for Multimodal Interaction (MARMI 2016), New York, USA, June 6, 2016.

  57. 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, June 6, 2016.

  58. Moumtzidou, S. Papadopoulos, S. Vrochidis I. Kompatsiaris, K. Kourtidis, G. Hloupis, I. Stavrakas, K. Papachristopoulou, 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), Cologne, Germany, 17 May 2016.

  59. 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'16) at the 22nd Int. Conf. on MultiMedia Modeling (MMM'16), Miami, USA, 4 January 2016.

  60. Gialampoukidis, S. Vrochidis, I. Kompatsiaris. "Fast Visual Vocabulary Construction for Image Retrieval using Skewed-Split k-d trees", In International Conference on Multimedia Modeling, pp. 466-477. Springer International Publishing, 2016.

  61. 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, Nov. 2015.

  62. Doulaverakis, S. Vrochidis, I. Kompatsiaris, "Exploiting visual similarities for ontology alignment", 7th International Conference on Knowledge Engineering and Ontology Development (KEOD 2015), Lisbon, Portugal, 12-14 November, 2015

  63. 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 (IKC2015), Coimbra, Portugal, September 8-9, 2015.

  64. Theodora Tsikrika, George Kalpakis, Stefanos Vrochidis, Ioannis Kompatsiaris, Iraklis Paraskakis, Isaak Kavasidis, Jonathan Middleton, and Una 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.

  65. George Kalpakis, Theodora Tsikrika, Foteini Markatopoulou, Nikiforos Pittaras, Stefanos Vrochidis, Vasileios Mezaris, Ioannis Patras, and Ioannis 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.

  66. 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. Puigbó, "MULTISENSOR: Development of Multimedia Content Integration Technologies for Journalism, Media Monitoring and International Exporting Decision Support", 2015 IEEE International Conference on Multimedia and Expo (ICME 2015), Turin, Italy, June 29 - July 3, 2015.

  67. 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, June 23, 2015.

  68. 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 (MMM2015), Sydney, Australia, 5-7 January, 2015.

  69. 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 (MMM15), Sydney, Australia, Jan. 2015.

  70. 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 (IRFC2014), 10 - 12 November 2014, Copenhagen, Denmark, LNCS 8849, pp. 63-75, Berlin: Springer-Verlag, 2014.

  71. 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 Workshop, Orlando, FL, USA, November 2014.

  72. 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'14 Workshop on Vision and Language (VL'14), Dublin, August 23, 2014.

  73. 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), Dublin, Ireland, August 23-29, 2014.

  74. Tsikrika, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris, “Focused Crawling of Environmental Web Resources: A Pilot Study on the Combination of Multimedia Evidence”, Proceedings of 1st International Workshop on Environmental Multimedia Retrieval (EMR 2014), Glasgow, UK, April 1, 2014.

  75. 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, April 1, 2014.

  76. 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'14) at the 20th Int. Conf. on MultiMedia Modeling (MMM'14), Dublin, Ireland, Springer LNCS vol. 8326, pp. 411-414, January 2014.

  77. 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.

  78. 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.

  79. 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, Nottingham, UK, September 17-21, 2013.

  80. 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, September 15-18, 2013.

  81. 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 Engineering Applications of Neural Networks (EANN 2013), Halkidiki, Greece, 13-16 September, 2013. Communications in Computer and Information Science, Springer Berlin Heidelberg, Vol. 383, pp. 223-232.

  82. Kastrinakis, S. Papadopoulos, A. Vakali, "Compact and Distinctive Visual Vocabularies for Efficient Multimedia Data Indexing", Advances in Databases and Information Systems (pp. 98-111). Springer Berlin Heidelberg, 2013

  83. 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, September 2-4, 2013, pp. 561-568.

  84. 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.

  85. 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, November 2, 2012, Nara, Japan.

  86. 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, November 2, 2012, Nara, Japan.

  87. 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), September 29, 2012, Halkidiki, Greece.

  88. 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), September 29, 2012, Halkidiki, Greece.

  89. Moumtzidou, S. Vrochidis, S. Tonelli, I. Kompatsiaris and E. Pianta, "Discovery of Environmental Nodes in the Web", in Proceedings of the 5th IRF Conference, Austria, Vienna, July 2-3, 2012.

  90. Vrochidis, A. Moumtzidou, G. Ypma and I. Kompatsiaris, "PatMedia: Augmenting Patent Search with Content-based Image Retrieval", in Proceedings of the 5th IRF Conference, Austria, Vienna, July 2-3, 2012.

  91. Wanner, M. Rospocher, S. Vrochidis, H. Bosch, N. Bouayad-Agha, U. Bügel, G. Casamayor, T. Ertl, D. Hilbring, 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, May 27-31, 2012.

  92. 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, May 23-25, 2012.

  93. 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 2011 Workshop, December 2011, Gaithersburg, MD, USA.

  94. Wanner, S. Vrochidis, S. Tonelli, J. Moßgraber, H. Bosch, A. Karppinen, M. Myllynen, M. Rospocher, N. Bouayad-Agha, U. Brügel, 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, June 2011.

  95. Vrochidis, I. Patras, I. Kompatsiaris, An eye-tracking-based approach to facilitate interactive video search, ICMR '11 Proceedings of the 1st ACM International Conference on Multimedia Retrieval, 2011.

  96. Moumtzidou, A. Dimou, N. Gkalelis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation to TRECVID 2010", in Proceedings of TRECVID 2010 Workshop, November 2010, Gaithersburg, MD, USA.

  97. Wanner, H. Bosch, N. Bouayad-Agha, U. Brügel, 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 Environmental Information Delivery", ENVIP 2010 Workshop, Bonn/Cologne, October 6-8, 2010.

  98. 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.

  99. 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.

  100. 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.

  101. 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, April 2010.

  102. 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, November 2009, Gaithersburg, MD, USA.

  103. 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 (CIVR09) - VideOlympics Showcase event, Santorini, Greece, July 2009.

  104. 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.

  105. 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 2008 Workshop, November 2008, Gaithersburg, MD, USA.

  106. 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'08), Niagra Falls, Canada, Pages: 563 - 563, ISBN: 978-1-60558-070-8, 7-9 July 2008.

  107. 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, Tenerife, Spain, June 2, 2008.

  108. 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, IMCL2008, April 16-18, 2008, Amman, Jordan.

  109. 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. Papadopoulos, 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, November 2007, Gaithersburg, MD, USA.

  110. 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, Springer US, ISBN 978-0-387-77745-0, pp. 1-10, 11-12 October, Corfu, Greece, 2007.

  111. 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, 10-13 September 2007, Modena, Italy.

  112. Vrochidis, V. Mezaris and I. Kompatsiaris, "ITI interactive video retrieval system", Conference On Image And Video Retrieval, Proceedings of the 6th ACM international, Amsterdam, The Netherlands Pages: 648 - 648, ISBN:978-1-59593-733-9, July 2007.

  113. 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, Gaithersburg, USA, November 2006.