Publications
Publications
Journals
- Phivos Mylonas, Evaggelos Spyrou, Yannis Avrithis and Stefanos Kollias, Using Visual Context and Region Semantics for High-Level Concept Detection, IEEE Transactions on Multimedia.
- Evaggelos Spyrou, Giorgos Tolias, Phivos Mylonas and Yannis Avrithis,Concept Detection and Keyframe Extraction Using a Visual Thesaurus, Multimedia Tools and Application.
- Symeon Papadopoulos, Athena Vakali, Yiannis Kompatsiaris, The Dynamics of Content Popularity in Social Media, International Journal of Data Warehousing and Mining
- Eirini Giannakidou, Foteini Kaklidou, Yiannis Kompatsiaris, Athena Vakali, Harvesting Intelligence in Multimedia Social Tagging Systems, Emergent Web Intelligence, Springer Verlag, Series: Studies in Computational Intelligence
- Markus Franke and Andreas Geyer-Schulz, An update algorithm for restricted random walk clustering for dynamic data sets, Advances in Data Analysis and Classification 3(1), 2009
- A. Scherp, An Ecosystem for Semantics, April-June 2009, R. Jain, (vol. 16 no. 2) pp. 18-25.
- S. Schenk, C. Saathoff, S. Staab, and A. Scherp, SemaPlorer---Interactive Semantic Exploration of Data and Media based on a Federated Cloud Infrastructure, Journal of Web Semantics, 2009
- Symeon Papadopoulos, Christos Zigkolis, Yiannis Kompatsiaris, Athena Vakali, Cluster-based Landmark and Event Detection on Tagged Photo Collections, IEEE Multimedia Magazine, 2011
Book chapters
- Sotiris Diplaris, Andreas Sonnenbichler, Tomasz Kaczanowski, Phivos Mylonas, Ansgar Scherp, Maciej Janik, Yiannis Kompatsiaris, Emerging, Collective Intelligence for personal, social and organisational use, "Next Generation Data Technologies for Collective Computational Intelligence", to be published in the “Studies in Computational Intelligence” book series, Springer (2011)
- Spiros Nikolopoulos, Elisavet Chatzilari, Eirini Giannakidou, Symeon Papadopoulos, Ioannis Kompatsiaris, Athena Vakali, Leveraging Massive User Contributions for Knowledge Extraction, "Next Generation Data Technologies for Collective Computational Intelligence", to be published in the “Studies in Computational Intelligence” book series, Springer (2011)
Conferences
- Symeon Papadopoulos, Athena Vakali, Yiannis Kompatsiaris, "Digg it Up! Analyzing Popularity Evolution in a Web 2.0 Setting", ECAI 2008 Workshop on Mining Social Data (MSoDa 2008)
- Vassilios Solachidis, Phivos Mylonas, Andreas Geyer-Schulz, Bettina Hoser, Sam Chapman, Fabio Ciravegna, Stefen Staab, Pavel Smrz, Yiannis Kompatsiaris, and Yannis Avrithis, "Generating Collective Intelligence", 32nd Annual Conference -Advances in Data Analysis, Data Handling and Business Intelligence GfKl 2008, July 16-18, 2008, Hamburg
- Phivos Mylonas, Vassilios Solachidis, Andreas Geyer-Schulz, Bettina Hoser, Sam Chapman, Fabio Ciravegna, Stefen Staab, Pavel Smrz, Yiannis Kompatsiaris, and Yannis Avrithis, "Efficient Media Exploitation towards Collective Intelligence", 32nd Annual Conference -Advances in Data Analysis, Data Handling and Business Intelligence GfKl 2008, July 16-18, 2008, Hamburg
- Andreas Geyer-Schulz and Bettina Hoser, "The Potential of Social Intelligence for Collective Intelligence", 32nd Annual Conference -Advances in Data Analysis, Data Handling and Business Intelligence GfKl 2008, July 16-18, 2008, Hamburg
- Evaggelos Spyrou, Phivos Mylonas, Yannis Avrithis, "Visual Context Ontology for Multimedia High-Level Concept Detection", 5th International Workshop on Modeling and Reasoning in Context (MRC 2008)
- Eirini Giannakidou, Yiannis Kompatsiaris, Athena Vakali,"SEMSOC: SEMantic, SOcial and Content-based Clustering in Multimedia Collaborative Tagging Systems", Second IEEE International Conference on Semantic Computing (ICSC 2008)
- Evaggelos Spyrou, Phivos Mylonas and Yannis Avrithis, Using Region Semantics And Visual Context For Scene Classification, 1st ICIP Workshop on Multimedia Information Retrieval: New Trends and Challenges
- Simon Schenk, Carsten Saathoff, Anton Baumesberger, Frederik Jochum, Alexander Kleinen, Steffen Staab, and Ansgar Scherp, SemaPlorer—Interactive Semantic Exploration of Data and Media based on a Federated Cloud Infrastructure, Billion Triple Challenge, Semantic Web Conference, Karlsruhe, Germany, 2008
- A. Scherp, F. Schwagereit, N. Ireson, Web 2.0 and Traditional Knowledge Management Processes, 1st Workshop on Knowledge Services & Mashups
- S. Papadopoulos, F. Menemenis, Yiannis Kompatsiaris and Ben Bratu, Lexical Graphs for Improved Contextual Ad Recommendation, 31st European Conference on Information Retrieval (ECIR '09)
- A. Scherp, F. Schwagereit, N. Ireson, V. Lanfranchi, S. Papadopoulos, A. Kritikos, Y. Kompatsiaris, P. Smrz, Leveraging Web 2.0 Communities in Professional Organisations, W3C Workshop on the Future of Social Networking, 15-16 January 2009, Barcelona, Catalonia, Spain
- Vita Lanfranchi and Neil Ireson, User Requirements for a Collective Intelligence Emergency Response System, The 23rd BCS conference on Human Computer Interaction
- Neil Ireson, Local Community Situational Awareness During An Emergency, 3rd IEEE International Conference on Digital Ecosystems and Technologies
- E. Spyrou, G. Tolias and Y. Avrithis, Large Scale Concept Detection in Video Using a Region Thesaurus, Lecture Notes In Computer Science; Vol. 5371, Proc. of the 15th International Multimedia Modeling Conference on Advances in Multimedia Modeling, Pages: 197 - 207, 2009, Sophia-Antipolis, France
- Y. Kalantidis, G. Tolias, E. Spyrou, Ph. Mylonas, Y. Avrithis, Visual Image Retrieval and Localization, 7th International Workshop on Content-Based Multimedia Indexing, June 3-5, 2009, Chania, Greece
- Grégoire Burel, Amparo E. Cano, Vitaveska Lanfranchi, Ozone Browser: Augmenting the Web with Semantic Overlays, Semantic Web Scripting Challenge, ESWC 2009, 31 May- 4 June 2009, Heraklion, Greece
- Vita Lanfranchi and Neil Ireson, User Requirements for a Collective Intelligence Emergency Response System, The 23rd BCS conference on Human Computer Interaction, 1 – 5 September 2009, Cambridge, UK
- Pavel Serdyukov, Vanessa Murdock, and Roelof van Zwol, Placing Flickr images on a Map, 32th annual international ACM SIGIR conference on Research and development in information retrieval, July 19-23 2009, Boston, USA
- Symeon Papadopoulos, Yiannis Kompatsiaris, and Athena Vakali, Leveraging Collective Intelligence through Community Detection in Tag Networks, First International Workshop on Collective Knowledge Capturing and Representation (CKCaR'09) at The Fifth International Conference on Knowledge Capture (K-CAP2009), 1 – 4 September 2009, Redondo Beach, California, USA
- A. Scherp, T. Franz, C. Saathoff, and S. Staab, F---A Model of Events based on the Foundational Ontology DOLCE+ Ultra Light, First International Workshop on Collective Knowledge Capturing and Representation (CKCaR'09) at The Fifth International Conference on Knowledge Capture (K-CAP2009), 1 – 4 September 2009, Redondo Beach, California, USA
- Vita Lanfranchi, Neil Ireson and Grégoire Burel, Collective Intelligence Emergency Response System, International Workshop on Mobile Information Technology for Emergency Response
- Phivos Mylonas, Yannis Avrithis, Yiannis Kompatsiaris, WeKnowIt : Emerging, Collective Intelligence for personal, organisational and social use, 40th International Association of Sound and Audiovisual Archives annual conference (IASA 2009), September 20-25, 2009, Athens, Greece
- X. Amatriain, J.M. Pujol, N. Tintarev, N. Oliver, Rate it Again: Increasing Recommendation Accuracy by User re-Rating, 2009 ACM RecSys Conference, 22 – 25 October 2009, New York City, NY, USA
- Sergej Sizov, GeoFolk: Latent Spatial Semantics in Web 2.0 Social Media, Third ACM International Conference on Web Search and Data Mining (WSDM), 3 – 6 February 2010, New York, USA
- E. Spyrou, Y. Kalantidis and Ph. Mylonas, A region-based visual vocabulary for efficient image retrieval, International Workshop on Image Analysis for Multimedia Interactive Services (WIAMIS 2010), 12 – 14 April 2010, Desenzano del Garda, Italy
- Y. Avrithis, G. Tolias, Y. Kalantidis, Sub-linear Indexing of Appearance and Global Geometry, IEEE Conference on Computer Vision and Pattern Recognition (CVPR 2010), 13 – 18 June 2010, San Francisco, CA, USA
- C. Saathoff and A. Scherp, Unlocking the Semantics of Multimedia Presentations in the Web with the Multimedia Metadata Ontology, International World Wide Web Conference, 26-30 April, 2010, Raleigh, NC, USA
- G Burel, A E Cano, M Rowe and A Sosa, Modeling and Proving Trustworthiness of Web Resources using Veracity, ESWC 2010, 29 August – 2 September, Heraklion, Greece
- G Burel, Attention-Streams: Attention Based Real-time Recommendations, ESWC 2010 Challenge track (Awarded 3rd Prize), 29 August – 2 September, Heraklion, Greece
- M. Braun, A. Scherp, S. Staab, Collaborative Semantic Points of Interest. Demo, ESWC 2010, 29 August – 2 September, Heraklion, Greece
- F. Schwagereit, A. Scherp, S. Staab, Representing Distributed Groups with dgFOAF, ESWC 2010, 29 August – 2 September, Heraklion, Greece
- C. Saathoff, A. Scherp, Unlocking the Semantics of Multimedia Presentations in the Web with the Multimedia Metadata Ontology, International World Wide Web Conference, 2010, 26 – 30 April, Raleigh, NC, USA
- S. Diplaris, A. Flores, B. Sigurbjornsson, N. Tintarev, M. Escriche, R. van Zwol, Y. Kompatsiaris , Collective Intelligence in Mobile Consumer Social Applications, 9th International Conference on Mobile Business (ICMB 2010), June 13-15, 2010, Athens, Greece
- Roelof van Zwol, Lluís Garcia Pueyo, Mridul Muralidharan, Borkur Sigurbjornsson, Ranking Entity Facets based on User Click Feedback, The International Conference on Semantic Computing (ICSC2010), 22 – 24 September, Pittsburgh, PA, USA
- Roelof van Zwol, Lluís Garcia Pueyo, Mridul Muralidharan, Borkur Sigurbjornsson, Ranking Entity Facets based on User Click Feedback, SIGIR 2010, 19 – 23 July, Geneva, Switzerland
- N Ireson, G Burel, Knowledge Sharing in eCollaboration, EGOV 2010, 30 May – 3 June, Lausanne, Switzerland
- S. Papadopoulos, C. Zigkolis, G. Tolias, Y. Kalantidis, P. Mylonas, Y. Kompatsiaris, A. Vakali, Image Clustering through Community Detection on Hybrid Image Similarity Graphs, ICIP 2010, 26 – 29 September, Hong Kong
- S. Papadopoulos, Y. Kompatsiaris, A. Vakali, A Graph-based Clustering Scheme for Identifying Related Tags in Folksonomies, DaWaK 2010, 30 August – 2 September, Bilbao, Spain
- Andreas Geyer-Schulz, Michael Ovelgönne, Andreas C. Sonnenbichler, Getting Help In A Crowd - A Social Emergency Alert Service, International Conference on e-Business 2010 (presented at the 7th International Joint Conference on e-Business and Telecommunications (ICETE ICE-B), 26 – 28 July, Athens, Greece
- Sonnenbichler, A. C., Geyer-Schulz, A., Ovelgönne, M., Breaking the Bystander Effect using Mobile Devices and Social Networks, International Network for Social Network Analysis (INSNA), 30th SUNBELT Conference, 29 June – 4 July, Riva del Garda, Italy
- Ovelgönne, M., Sonnenbichler, A. C., Geyer-Schulz, A., A Social Emergency Alert Service - A Location-Based Privacy-Aware Personal Safety Service, Fourth International Conference on Next Generation Mobile Applications, Services and Technologies, 26 – 29 July, Amman, Jordan
- Michael Ovelgönne, On the Hierarchicalness of Q&A Posting Networks, ACM 2010 international conference on Supporting group work, 7-10 November, Sanibel, FL, USA
- Michael Ovelgönne, Andreas Geyer-Schulz, Cluster Cores and Modularity Maximization, ICDMW '10. IEEE International Conference on Data Mining Workshops, 14-17 December Sydney, Australia
- J. Kunegis, D. Fay, C. Bauckhage , Network Growth and the Spectral Evolution Model, Proc. Int. Conf. on Information and Knowledge Management, October 26–30, 2010, Toronto, Ontario, Canada.
- G Burel, A E Cano, M Rowe and A Sosa, Representing, Proving and Sharing Trustworthiness of Web Resources Using Veracity, EKAW 2010, 11-15 October, Lisbon, Portugal
- Y. Avrithis, Y. Kalantidis, G. Tolias, E. Spyrou, Retrieving Landmark and Non-Landmark Images from Community Photo Collections, ACM MM 2010, 25 – 29 October, Florence, Italy
- Symeon Papadopoulos, Christos Zigkolis, Stefanos Kapiris, Yiannis Kompatsiaris, Athena Vakali, ClustTour: City Exploration by use of Hybrid Photo Clustering. Demo, ACM MM 2010, 25 – 29 October, Florence, Italy
- Y. Avrithis, G. Tolias, Y. Kalantidis, Feature Map Hashing: Sub-linear Indexing of Appearance and Global Geometry, ACM MM 2010, 25 – 29 October, Florence, Italy
- Roelof van Zwol, Adam Rae, Lluís Garcia Pueyo, Prediction of Favourite Photos using Textual, Visual, and Social Signals, ACM MM 2010, 25 – 29 October, Florence, Italy
- M. Braun, D. Schmeiß, A. Scherp, S. Staab, STEVIE---Collaborative Creation and Exchange of Events and POIs on a Mobile Phone, 2nd Int. Workshop on Events in Multimedia, 2010, 25 – 29 October, Firenze, Italy
- D. Schmeiß, A. Scherp, S. Staab, Intergrated Mobile Visualization and Interaction of Events and POIs, ACM MM 2010, Multimedia Demo Track, 25 – 29 October, Firenze, Italy
- S. Papadopoulos, A. Scherp, N. Ireson, I. Tsampoulatidis, Y. Kompatsiaris, Using Event Representation and Semantic Enrichment for Managing and Reviewing Emergency Incident Logs, 2nd Int. Workshop on Events in Multimedia, 2010, 25 – 29 October, Firenze, Italy
- Neil Ireson, Fabio Ciravegna, Toponym Resolution in Social Media, 9th International Semantic Web Conference, 2010, 7 – 11 November, Shanghai, China
- Y. Kalantidis, E. Spyrou, Ph. Mylonas and S. Kollias, Using a Region and Visual Word Approach Towards Semantic Image Retrieval, 5th Workshop on Semantic Media Adaptation and Personalization (SMAP 2010), 9 – 10 December, Limassol, Cyprus
- Nava Tintarev, Xavier Amatriain, Ana Flores, Off the beaten track - a mobile field study exploring the long tail of tourist recommendations, MobileHCI 2010, Lisboa, Portugal, September 7th-10th, 2010
- Ana Flores Cuadrado, Eduardo Villoslada de la Torre, Tú, Yo, Nosotros viajamos: La inteligencia colectiva al servicio del viajero, XX Jornadas de Telecom I+D conjuntas con IX Jornadas de Ingeniería Telemática JITEL 2010
- Roelof van Zwol, Börkur Sigurbjörnsson, Ramu Adapala, Lluis Garcia Pueyo, Abhinav Katiyar, Kaushal Kurapati, Mridul Muralidharan, Sudar Muthu, Vanessa Murdock, Polly Ng, Anand Ramani, Anuj Sahai, Sriram Thiru Sathish, Hari Vasudev, and Upendra Vuyyuru. Faceted exploration of image search results, In: WWW '10: Proceedings of the 19th international conference on World wide web. 2010.
- Börkur Sigurbjörnsson and Roelof van Zwol. TagExplorer: Faceted Browsing of Flickr Photos, Yahoo! Labs Technical Report (YL-2010-005). 2010.
- Ingmar Weber and Alejandro Jaimes. Who uses web search for what: and how, In Proceedings of the fourth ACM international conference on Web search and data mining (WSDM '11). ACM, New York, NY, USA, 15-24. 2011.