Publications

Journals

  • C. Cobarzan, K. Schoeffmann, W. Bailer, W. Hürst, A. Blazek, J. Lokoc, S. Vrochidis, K. U. Barthel, and L. Rossetto, “Interactive Video Search Tools: A Detailed Analysis of the Video Browser Showdown 2015“, in Multimedia Tools and Applications (MTAP), 2016, pp. 1-33.
  • S. Vrochidis, I. Patras and I. Kompatsiaris, “Gaze Movement-driven Random Forests for Query Clustering in Automatic Video Annotation”, Multimedia Tools and Applications, 2016.
  • T. Tsikrika, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris, Focussed Crawling of Environmental Web Resources Based on the Combination of Multimedia Evidence, Multimedia Tools and Applications, May 2015, pp 1-25, doi: 10.1007/s11042-015-2624-3
  • 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, doi: 10.1007/s11042-015-2604-7
  •  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.
  • L. Johansson, V. Epitropou, K. Karatzas, A. Karppinen, L. Wanner, S. Vrochidis, A. Bassoukos, J. Kukkonen, I. Kompatsiaris, “Fusion of meteorological and air quality data extracted from the web for personalized environmental information services”, Environmental Modeling and Software Journal, 2015, Volume 64, February 2015, pp. 143–155, doi: 10.1016/j.envsoft.2014.11.021
  • L. Wanner, H. Bosch, N. Bouayad-Agha, G. Casamayor, T. Ertl, D. Hilbring, L. Johansson, K. Karatzas, A. Karppinen, I. Kompatsiaris, T. Koskentalo, S. Mille, J. Mossgraber, A. Moumtzidou, M. Myllynen, E. Pianta, M. Rospocher, L. Serafini, V. Tarvainen, S. Tonelli, S. Vrochidis, “Getting the environmental information across: From the web to the user”, Expert Systems, December 2014.
  • A. Moumtzidou, V. Epitropou, S. Vrochidis, K. Karatzas, S. Voth, A. Bassoukos, J. Moßgraber, A. Karppinen, J. Kukkonen and I. Kompatsiaris, “A Model for Environmental Data Extraction from Multimedia and its Evaluation against various Chemical Weather Forecasting Datasets”, Journal of Ecological Informatics, pp. 69-82, 2014, special issue, ISSN 1574-9541, http://dx.doi.org/10.1016/j.ecoinf.2013.08.003.
  • S. Vrochidis, A. Moumtzidou, and I. Kompatsiaris, “Concept-based Patent Image Retrieval”, World Patent Information Journal, Volume 34, Issue 4, pp. 292-303, December 2012.
  • Stefanos Vrochidis, Ioannis Kompatsiaris and Ioannis 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
  • Panagiotis Sidiropoulos, Stefanos Vrochidis, Ioannis 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.
  • 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.
  • 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.
  • 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.
  • 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.

Book Chapters

  • 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, 2016
  • A. Moumtzidou, S. Vrochidis, I. Kompatsiaris, “Discovery, Analysis and Retrieval of Multimodal Environmental Information”,Third Edition. IGI Global, 2015. 4528-4542.
  • 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, 2014, pp 250-273.
  • Anastasia Moumtzidou, Stefanos Vrochidis and Ioannis Kompatsiaris, “Discovery, Analysis and Retrieval of Multimodal Environmental Information”, in Encyclopedia of Information Science and Technology (3rd Edition), IGI Global, 2013, to appear.
  • Francesco Bellotti, Stefanos Vrochidis, Matteo Pellegrino, Ioannis Tsampoulatidis, Pascal Lhoas, Giancarlo Bo, Alessandro De Gloria, Ioannis 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.
  • Stefanos Vrochidis, Francesco Bellotti, Giancarlo Bo, Linda Napoletano and Ioannis 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.

Conferences

  • Th. 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 (accepted for publication)
  • 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.
  • G. Meditskos, S. Vrochidis, I. Kompatsiaris, “Description Logics and Rules for Multimodal Situational Awareness in Healthcare”, Special session on Multimedia and Multimodal Interaction for Health and Basic Care Applications at MMM 2017
  • A. Moumtzidou, T. Mironidis, F. Markatopoulou, S. Andreadis, I. Gialampoukidis, D. Galanopoulos, A. Ioannidou, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, “VERGE IN VBS 2017″, Proc. Video Browser Showdown (VBS’17) at the 23rd Int. Conf. on MultiMedia Modeling (MMM’17), Reykjavik, Iceland, 4 January 2017.
  • G. Meditskos, E. Kontopoulos, S. Vrochidis, I. Kompatsiaris, “Ontology-Driven Context Interpretation and Conflict Resolution in Dialogue-Based Home Care Assistance”, International Conference on Semantic Web Applications and Tools for Life Sciences (SWAT4LS), Amsterdam, 5-8 December 2016.
  • F. Markatopoulou, A. Moumtzidou, D. Galanopoulos, T. Mironidis, V. Kaltsa, A. Ioannidou, S. Symeonidis, K. Avgerinakis, S. Andreadis, I. Gialampoukidis, S. Vrochidis, A. Briassouli, V. Mezaris, I. Kompatsiaris, I. Patras, “ITI-CERTH participation in TRECVID 2016”, Proc. TRECVID 2016 Workshop, Gaithersburg, MD, USA, Nov. 2016.
  • I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, “Incremental estimation of visual vocabulary size for image retrieval”, Proc. INNS Big Data 2016, Thessaloniki, Greece, Oct. 23-25, 2016 (accepted for publication)
  • I. Gialampoukidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, “Community Detection in Complex Networks Based on DBSCAN* and a Martingale Process”, 11th International Workshop on Semantic and Social Media Adaptation and Personalization (SMAP 2016), October 20-21, Thessaloniki, Greece, 2016 (accepted for publication)
  • B. Simeonov, V. Alexiev, D. Liparas, M. Puigbo, S. Vrochidis, E. Jamin and I. Kompatsiaris, “Semantic integration of web data for international investment decision support”, 3rd international conference on Internet Science, Florence, Italy, Sept. 12-14 2016 (accepted for publication)
  • G. Meditskos, S. Dasiopoulou, S. Vrochidis, L. Wanner, I. Kompatsiaris, “Question Answering over Pattern-Based User Models”, 12th International Conference on Semantic Systems (SEMANTiCS), Leipzig, Germany, September 12-15, 2016 (accepted for publication)
  • I. Gialampoukidis, D. Liparas, S. Vrochidis, I. Kompatsiaris, “Query-based Topic Detection Using Concepts and Named Entities”, 1st International Workshop on Multimodal Media Data Analytics (MMDA 2016), The Hague, Netherlands, August 30, 2016
  • G. 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.
  • I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, “A hybrid framework for news clustering based on the DBSCAN-Martingale and LDA”, 12th International Conference on Machine Learning and Data Mining, New York, 16-21 July 2016
  • C. 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
  • I. Gialampoukidis, G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, “Key player identification in terrorism-related social media networks using centrality measures”, European Intelligence and Security Informatics Conference (EISIC 2016), August 17-19, Uppsala, Sweden, 2016
  • I. Gialampoukidis, S. Vrochidis, I. Kompatsiaris, “A hybrid framework for news clustering based on the DBSCAN-Martingale and LDA”, 12th International Conference on Machine Learning and Data Mining, New York, USA, 16-21 July 2016.
  • I. Gialampoukidis, A. Moumtzidou, T. Tsikrika, S. Vrochidis and I. Kompatsiaris, Retrieval of Multimedia objects by Fusing Multiple Modalities, International Conference on Multimedia Retrieval (ICMR), New York, USA, June 6-9, 2016.
  • I. Gialampoukidis, A. Moumtzidou, D. Liparas, S. Vrochidis, I. Kompatsiaris, “A hybrid graph-based and non-linear late fusion approach for multimedia retrieval”, 14th International Workshop on Content-based Multimedia Indexing (CBMI), Bucharest, Romania, June 15-17, 2016.
  • A. Moumtzidou, I. Gialampoukidis, T. Mironidis, D. Liparas, S. Vrochidis, I. Kompatsiaris, “A Multimedia Interactive Search Engine based on Graph-based and Non-linear Multimodal Fusion”, 14th International Workshop on Content-based Multimedia Indexing (CBMI), Bucharest, Romania, June 15-17, 2016.
  • L. 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. (accepted for publication)
  • G. Meditskos, S. Dasiopoulou, Louisa Pragst, S. Ultes, S. Vrochidis, I. Kompatsiaris, L. Wanner, “Towards an Ontology-driven Adaptive Dialogue Framework”, 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction (MARMI 2016), New York, USA, June 6, 2016. (accepted for publication)
  • F. Sukno, M. Dominguez, A. Ruiz Ovejero, D. Schiller, F. Lingenfelser, L. Pragst, E. Kamateri, S. Vrochidis, “A Multimodal Annotation Schema for Non-Verbal Affective Analysis in the Health-Care Domain”, 1st International Workshop on Multimedia Analysis and Retrieval for Multimodal Interaction (MARMI 2016), New York, USA, June 6, 2016. (accepted for publication)
  • A. 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 (accepted for publication).
  • A. Moumtzidou, T. Mironidis, E. Apostolidis, F. Markatopoulou, A. Ioannidou, I. Gialampoukidis, K. Avgerinakis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, I. Patras, “VERGE: A Multimodal Interactive Search Engine for Video Browsing and Retrieval”, Proc. Video Browser Showdown (VBS’16) at the 22nd Int. Conf. on MultiMedia Modeling (MMM’16), Miami, USA, 4 January 2016.
  • Ilias Gialampoukidis, Stefanos Vrochidis and Ioannis Kompatsiaris. “Fast Visual Vocabulary Construction for Image Retrieval using Skewed-Split k-d trees”. Proc. 22nd Int. Conf. on MultiMedia Modeling (MMM16), Miami,USA, Jan. 2016.
  • C. 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
  • Y. Hacohen-Kerner, A. Sabag, D. Liparas, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris, “Classification using various ML Methods and Combinations of Key-Phrases and Visual Features”, 1st KEYSTONE Conference (IKC2015), Coimbra, Portugal, September 8-9, 2015.
  • 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), to be held in conjunction with the 10th International Conference on Availability, Reliability and Security, Toulouse, France, 2015.
  • 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), to be held in conjunction with the 10th International Conference on Availability, Reliability and Security, Toulouse, France, 2015.
  • S. Vrochidis, I. Kompatsiaris, G. Casamayor, I. Arapakis, R. Busch, V. Alexiev, E. Jamin, M. Jugov, N. Heise, T. Forrellat, D. Liparas, L. Wanner, I. Miliaraki, V. Aleksic, K. Simov, A. M. Soro, M. Eckhoff, T. Wagner, M. 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.
  • T. Tsikrika, A. Latas, A. Moumtzidou, E. Chatzilari, S. Vrochidis and I. Kompatsiaris, “Discovery of Environmental Web Resources Based on the Combination of Multimedia Evidence”, 2nd International Workshop on Environmental Multimedia Retrieval (EMR 2015), Shanghai, China, June 23, 2015.
  • A. Moumtzidou, K. Avgerinakis, E. Apostolidis, F. Markatopoulou, K. Apostolidis, T. Mironidis, S. Vrochidis, V. Mezaris, Y. Kompatsiaris, I. Patras, “VERGE: A Multimodal Interactive Video Search Engine”, Proc. 21st Int. Conf. on MultiMedia Modeling (MMM15), Sydney, Australia, Jan. 2015.
  • T. Tsikrika, K. Andreadou, A. Moumtzidou, E. Schinas, S. Papadopoulos, S. Vrochidis, Y. Kompatsiaris, “A Unified Model for Socially Interconnected Multimedia-Enriched Objects”,  21st MultiMedia Modelling Conference (MMM2015), Sydney, Australia, 5-7 January, 2015.
  • D. Liparas, Y. Hacohen-Kerner, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris, “News articles classification using Random Forests and weighted multimodal features”, Proceedings of the 3rd Open Interdisciplinary MUMIA Conference and 7th Information Retrieval Facility Conference (IRFC2014), 10 – 12 November 2014, Copenhagen, Denmark, LNCS 8849, pp. 63-75, Berlin: Springer-Verlag, 2014.
  • D. Liparas, A. Moumtzidou, S. Vrochidis, I. Kompatsiaris, “Concept-oriented labelling of patent images based on Random Forests and proximity-driven generation of synthetic data”, COLING’14 Workshop on Vision and Language (VL’14), Dublin, August 23, 2014.
  • Y. HaCohen-Kerner, S. Vrochidis, D. Liparas, A. Moumtzidou and I. Kompatsiaris, “Key-phrase Extraction using Textual and Visual Features”, 3rd Workshop on Vision and Language (VL), Dublin, Ireland, August 23-29, 2014.
  • T. Tsikrika, A. Moumtzidou, S. Vrochidis and I. Kompatsiaris, “Focussed 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.
  • L. Johansson, V. Epitropou, K. Karatzas, L. Wanner, A. Karppinen, J. Kukkonen, S. Vrochidis and I. Kompatsiaris, “The extraction and fusion of meteorological and air quality information for orchestrated services”, Proceedings of 1st International Workshop on Environmental Multimedia Retrieval (EMR 2014), Glasgow, UK, April 1, 2014.
  • A. Moumtzidou, K. Avgerinakis, E. Apostolidis, V. Aleksic, F. Markatopoulou, C. Papagiannopoulou, S. Vrochidis, V. Mezaris, R. Busch, I. Kompatsiaris, “VERGE: An Interactive Search Engine for Browsing Video Collections”, Proc. Video Browser Showdown (VBS’14) at the 20th Int. Conf. on MultiMedia Modeling (MMM’14), Dublin, Ireland, Springer LNCS vol. 8326, pp. 411-414, January 2014.
  • 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.
  • 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.
  • D. Hilbring, A. Moumtzidou, J. Mossgraber and S. Vrochidis. “Usage of the 52north Open Source SOS implementation for Accessing Heterogeneous Environmental Data Sources for a Personalized Information System”, The Global Conference for Open Source Geospatial Software, Nottingham, UK, September 17-21, 2013.
  • A. Moumtzidou, S. Vrochidis, E. Chatzilari and I. Kompatsiaris. “Discovery of Environmental Resources based on Heatmap Recognition”, IEEE International Conference on Image Processing (ICIP 2013), Melbourne, Australia, September 15-18, 2013.
  • A. Moumtzidou, S. Vrochidis, I. Kompatsiaris, “Discovery of Weather Forecast Web Resources based on Ontology and Content-driven Hierarchical Classification”, 14th International Conference on Engineering Applications of Neural Networks (EANN 2013), Halkidiki, Greece, 13-16 September, 2013.
  • L. Wanner, H. Bosch, S. Vrochidis, N. Bouayad-Agha, G. Casamayor, L. Johansson, A. Karppinen, A. Moumtzidou, I. Kompatsiaris, T. Ertl. “Involving the Expert in the Delivery of  Environmental Information from the Web”, EnviroInfo 2013, Hambourg, September 2-4, 2013.
  • 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.
  • S. Vrochidis, H. Bosch, A. Moumtzidou, F. Heimerl, T. Ertl, I. Kompatsiaris, “An Environmental Search Engine based on Interactive Visual Classification”, in Proceedings of the ACM International Workshop on Multimedia Analysis for Ecological Data (MAED 2012), November 2, 2012, Nara, Japan.
  • A. Moumtzidou, V. Epitropou, S. Vrochidis, S. Voth, A. Bassoukos, K. Karatzas, J. Mossgraber, I. Kompatsiaris, A. Karppinen and J. Kukkonen, “Environmental Data Extraction from Multimedia Resources”, in Proceedings of the ACM International Workshop on Multimedia Analysis for Ecological Data (MAED 2012), November 2, 2012, Nara, Japan.
  • L. Wanner, S. Vrochidis, M. Rospocher, J. Mossgraber, H. Bosch, A. Karppinen, M. Myllynen, S. Tonelli, N. Bouayad-Agha, U. Bugel, G. Casamayor, T. Ertl, 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”, in Proceedings of the 3rd Intelligent Systems for Quality of Life information Services Workshop (ISQL 2012), September 29, 2012, Halkidiki, Greece.
  • S. Vrochidis, V. Epitropou, A. Bassoukos, S. Voth, K. Karatzas, A. Moumtzidou, J. Mossgraber, I. Kompatsiaris, A. Karppinen, J. Kukkonen, “Extraction of environmental data from on-line environmental information sources”, in Proceedings of the 3rd Intelligent Systems for Quality of Life information Services Workshop (ISQL 2012), September 29, 2012, Halkidiki, Greece.
  • A. 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.
  • S. 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.
  • L. Wanner, M. Rospocher, S. Vrochidis, H. Bosch, N. Bouayad-Agha, U. Bugel, G. Casamayor, T. Ertl, D. Hilbring, A. Karppinen, I. Kompatsiaris, T.Koskentalo, S. Mille, J. Mo?graber, 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.
  • S. Vrochidis, I. Patras and I Kompatsiaris, “Exploiting gaze movements for automatic video annotation”, in Proceedings of the 13th International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2012), Dublin, Ireland, May 23-25, 2012.
  • 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.
  • L. Wanner, S. Vrochidis,  S. Tonelli,  J. Mo?graber, H. Bosch,  A. Karppinen,  M. Myllynen,  M. Rospocher,  N. Bouayad-Agha, U. Brugel, G. Casamayor, T. Ertl, I. Kompatsiaris, T. Koskentalo, S. Mille, A. Moumtzidou, E. Pianta, H. Saggion, L. Serafini, V. Tarvainen, “Building an Environmental Information System for Personalized Content Delivery”,  International Symposium on Environmental Software Systems (ISESS 2011), Brno, Czech Republic, June 2011.
  • Stefanos Vrochidis, Ioannis Patras and Ioannis Kompatsiaris, “An Eye-tracking-based Approach to Facilitate Interactive Video Search”, in Proceedings of 2011 ACM International Conference on Multimedia Retrieval (ICMR2011), Trento, Italy, April 17-20, 2011.
  • Anastasia Moumtzidou, Anastasios Dimou, Nikolaos Gkalelis, Stefanos Vrochidis, Vasileios Mezaris, Ioannis Kompatsiaris, “ITI-CERTH participation to TRECVID 2010″, in Proceedings of TRECVID 2010 Workshop, November 2010, Gaithersburg, MD, USA.
  • L. Wanner, H. Bosch, N. Bouayad-Agha, U. Brugel, G. Casamayor, T. Ertl, A. Karppinen, I. Kompatsiaris, T. Koskentalo, S. Mille, J. Mo?graber, 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.
  • P. Sidiropoulos, S. Vrochidis and I. Kompatsiaris, “Adaptive Hierarchical Density Histogram for Complex Binary Image Retrieval”, in Proceedings of the 8th International Workshop on Content-Based Multimedia Indexing  (CBMI 2010), pp. 182-187, Grenoble, France, 23-25 June 2010.
  • Stefanos Vrochidis, Ioannis Kompatsiaris and Ioannis 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.
  • Stefanos Vrochidis, Anastasia Moumtzidou, Paul King, Anastasios Dimou, Vasileios Mezaris and Ioannis 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.
  • Stefanos Vrochidis, Ioannis Kompatsiaris and Ioannis 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.
  • Anastasia Moumtzidou, Anastasios Dimou, Paul King, Stefanos Vrochidis, Angeliki Angeletou, Vasileios Mezaris, Spiros Nikolopoulos, Ioannis Kompatsiaris, Lambros Makris, “ITI-CERTH participation to TRECVID 2009 HLFE and Search”, Proc. TRECVID 2009 Workshop, November 2009, Gaithersburg, MD, USA.
  • Stefanos Vrochidis, Paul King, Lambros Makris, Anastasia Moumtzidou, Spiros Nikolopoulos, Anastasia Dimou, Vasileios Mezaris, Ioannis Kompatsiaris, “MKLab Interactive Video Retrieval System”, ACM International Conference on Image and Video Retrieval (CIVR09) – VideOlympics Showcase event, Santorini, Greece, July 2009.
  • Francesco Bellotti, Stefanos Vrochidis, Ioannis Tsampoulatidis, Giancarlo Bo and Linda 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.
  • Q. Zhang, G. Tolias, B. Mansencal, A. Saracoglu, N. Aginako, A. Alatan, L. A. Alexandre, Y. Avrithis, J. Benois-Pineau, K. Chandramouli, M. Corvaglia, U. Damnjanovic, A. Dimou, E. Esen, N. Fatemi, I. Garcia, F. Guerrin, A. Hanjalic, R. Jarina, P. Kapsalas, P. King, I. Kompatsiaris, L. Makris, V. Mezaris, P. Migliorati, A. Moumtzidou, Ph. Mylonas, U. Naci, S. Nikolopoulos, M. Paralic, T. Piatrik, F. Poulin, A. M. G. Pinheiro, L. Raileanu, E. Spyrou, S. Vrochidis, “COST292 experimental framework for TRECVID 2008″, Proc. TRECVID 2008 Workshop, November 2008, Gaithersburg, MD, USA.
  • Stefanos Vrochidis, Paul King, Lambros Makris, Anastasia Moumtzidou, Vasileios Mezaris and Ioannis 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.
  • Joan Codina, Emanuele Pianta, Stefanos Vrochidis and Symeon 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.
  • 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”, 3rd International Conference on Interactive Mobile and Computer Aided Learning, IMCL2008, April 16-18, 2008, Amman, Jordan.
  • Q. Zhang, K. Chandramouli, U. Damnjanovic, T. Piatrik, E. Izquierdo, M. Corvaglia, N. Adami, R. Leonardi, G. Yak?n, S. Aksoy, U. Naci, A. Hanjalic, S. Vrochidis, A. Moumtzidou, S. Nikolopoulos, V. Mezaris, L. Makris, I. Kompatsiaris, B. Mansencal, J. Benois-Pineau, E. Esen, A. Alatan, E. Spyrou, P. Kapsalas, G. Tolias, P. Mylonas, Y. Avrithis, B. Reljin, G. Zajic, A. M. G. Pinheiro, L. A. Alexandre, P. Almeida, R. Jarina, M. Kuba, N. Aginako, J. Goya. “The COST292 experimental framework for TRECVID 2007″, presented at TRECVID 2007 Workshop, November 2007, Gaithersburg, MD, USA.
  • P. Wilkins, T. Adamek, D. Byrne, G. J.F.Jones, H. Lee, G. Keenan, K. McGuinness, N. E. O’Connor, A. F. Smeaton, A. Amin, Z. Obrenovic, R. Benmokhtar, E. Galmar, B. Huet, S. Essid, R. Landais, F. Vallet, G. 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.
  • Stefanos Vrochidis, Charalambos Doulaverakis, Anastasios Gounaris, Evangelia Nidelkou, Lambros Makris and Ioannis 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.
  • Stefanos Vrochidis, Vasileios Mezaris and Ioannis 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.
  • 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” Annual Proceedings of Vidzeme University College, “ICTE in Regional Development”, 2007, Valmiera, Latvia, pp 87-95, ISBN 9984-633-10-1.
  • J. Calic, P. Kramer, U. Naci, S. Vrochidis, S. Aksoy, Q. Zhang, J. Benois-Pineau, A. Saracoglu, C. Doulaverakis, R. Jarina, N. Campbell, V. Mezaris, I. Kompatsiaris, E. Spyrou, G. Koumoulos, Y. Avrithis, A. Dalkilic, A. Alatan, A. Hanjalic, E. Izquierdo: “COST292 experimental framework for TRECVID 2006″, 4th TRECVID Workshop, Gaithersburg, USA, November 2006.