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    First name: Symeon
    Last name: Papadopoulos
    DBLP: 38/3754
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    Conference paper
    Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Ioannis Patras, Yiannis Kompatsiaris.
    Near-Duplicate Video Retrieval by Aggregating Intermediate CNN Layers.
    MultiMedia Modeling - 23rd International Conference, MMM 2017, Reykjavik, Iceland, January 4-6, 2017, Proceedings, Part I 2017 (0) 2017
    Conference paper
    Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris, Jochen Spangenberg.
    A Web-Based Service for Disturbing Image Detection.
    MultiMedia Modeling - 23rd International Conference, MMM 2017, Reykjavik, Iceland, January 4-6, 2017, Proceedings, Part II 2017 (0) 2017
    Conference paper
    Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Large-scale evaluation of splicing localization algorithms for web images.
    Multimedia Tools Appl. 2017, Volume 76 (0) 2017
    Conference paper
    Georgios Petkos, Emmanouil Schinas, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Graph-based multimodal clustering for social multimedia.
    Multimedia Tools Appl. 2017, Volume 76 (0) 2017
    Conference paper
    Konstantinos Konstantinidis, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Exploring Twitter communication dynamics with evolving community analysis.
    PeerJ Computer Science 2017, Volume 3 (0) 2017
    Journal article
    Emmanouil Schinas, Symeon Papadopoulos, Yiannis Kompatsiaris, Pericles A. Mitkas.
    MGraph: multimodal event summarization in social media using topic models and graph-based ranking.
    IJMIR 2016, Volume 5 (0) 2016
    Conference paper
    Georgios Rizos, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Predicting News Popularity by Mining Online Discussions.
    Proceedings of the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, April 11-15, 2016, Companion Volume 2016 (0) 2016
    Conference paper
    Symeon Papadopoulos, Kalina Bontcheva, Eva Jaho, Mihai Lupu, Carlos Castillo.
    Overview of the Special Issue on Trust and Veracity of Information in Social Media.
    ACM Trans. Inf. Syst. 2015, Volume 34 (0) 2016
    Conference paper
    Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Adrian Popescu 0001, Yiannis Kompatsiaris.
    Personalized Privacy-aware Image Classification.
    Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, ICMR 2016, New York, New York, USA, June 6-9, 2016 2016 (0) 2016
    Conference paper
    Emmanouil Schinas, Symeon Papadopoulos, Georgios Petkos, Yiannis Kompatsiaris, Pericles A. Mitkas.
    Multimodal Event Detection and Summarization in Large Scale Image Collections.
    Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, ICMR 2016, New York, New York, USA, June 6-9, 2016 2016 (0) 2016
    Conference paper
    Richard Mills, Stefano De Paoli, Sotiris Diplaris, Vasiliki Gkatziaki, Symeon Papadopoulos, Srivigneshwar R. Prasad, Ethan McCutchen, Vishal Kapadia, Philipp Hirche.
    WikiRate.org - Leveraging Collective Awareness to Understand Companies' Environmental, Social and Governance Performance.
    Internet Science - Third International Conference, INSCI 2016, Florence, Italy, September 12-14, 2016, Proceedings 2016 (0) 2016
    Conference paper
    Eleftherios Spyromitros Xioufis, Georgios Petkos, Symeon Papadopoulos, Rob Heyman, Yiannis Kompatsiaris.
    Perceived Versus Actual Predictability of Personal Information in Social Networks.
    Internet Science - Third International Conference, INSCI 2016, Florence, Italy, September 12-14, 2016, Proceedings 2016 (0) 2016
    Conference paper
    Yuhong Liu, Symeon Papadopoulos, Rene Kaiser, Moushumi Sharmin.
    Message from the HCSC Organizing Committee.
    40th IEEE Annual Computer Software and Applications Conference, COMPSAC 2016, Atlanta, GA, USA, June 10-14, 2016 2016 (0) 2016
    Journal article
    Sándor Darányi, Peter Wittek, Konstantinos Konstantinidis, Symeon Papadopoulos, Efstratios Kontopoulos.
    A Physical Metaphor to Study Semantic Drift.
    CoRR 2016, Volume 0 (0) 2016
    Conference paper
    Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris, Ruben Bouwmeester, Jochen Spangenberg.
    Web and Social Media Image Forensics for News Professionals.
    Social Media in the Newsroom, Papers from the 2016 ICWSM Workshop, Cologne, Germany, May 17, 2016 2016 (0) 2016
    Conference paper
    Sándor Darányi, Peter Wittek, Konstantinos Konstantinidis, Symeon Papadopoulos, Efstratios Kontopoulos.
    A Physical Metaphor to Study Semantic Drift.
    Joint Proceedings of the Posters and Demos Track of the 12th International Conference on Semantic Systems - SEMANTiCS2016 and the 1st International Workshop on Semantic Change Evolving Semantics (SuCCESS'16) co-located with the 12th International Confere 2016 (0) 2016
    Conference paper
    Gerald Friedland, Symeon Papadopoulos, Julia Bernd, Yiannis Kompatsiaris.
    Multimedia Privacy.
    Proceedings of the 2016 ACM Conference on Multimedia Conference, MM 2016, Amsterdam, The Netherlands, October 15-19, 2016 2016 (0) 2016
    Journal article
    Anastasia Moumtzidou, Symeon Papadopoulos, Stefanos Vrochidis, Yiannis Kompatsiaris, Konstantinos Kourtidis, George Hloupis, Ilias Stavrakas, Konstantina Papachristopoulou, Christodoulos Keratidis.
    Towards Air Quality Estimation Using Collected Multimodal Environmental Data.
    CoRR 2016, Volume 0 (0) 2016
    Conference paper
    Giorgos Kordopatis-Zilos, Adrian Popescu 0001, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Placing Images with Refined Language Models and Similarity Search with PCA-reduced VGG Features.
    Working Notes Proceedings of the MediaEval 2016 Workshop, Hilversum, The Netherlands, October 20-21, 2016. 2016 (0) 2016
    Conference paper
    Christina Boididou, Symeon Papadopoulos, Stuart E. Middleton, Duc-Tien Dang-Nguyen, Michael Riegler, Andreas Petlund, Yiannis Kompatsiaris.
    The VMU Participation @ Verifying Multimedia Use 2016.
    Working Notes Proceedings of the MediaEval 2016 Workshop, Hilversum, The Netherlands, October 20-21, 2016. 2016 (0) 2016
    Conference paper
    Christina Boididou, Symeon Papadopoulos, Duc-Tien Dang-Nguyen, Giulia Boato, Michael Riegler, Stuart E. Middleton, Andreas Petlund, Yiannis Kompatsiaris.
    Verifying Multimedia Use at MediaEval 2016.
    Working Notes Proceedings of the MediaEval 2016 Workshop, Hilversum, The Netherlands, October 20-21, 2016. 2016 (0) 2016
    Conference paper
    Anastasia Moumtzidou, Symeon Papadopoulos, Stefanos Vrochidis, Yiannis Kompatsiaris, Konstantinos Kourtidis, George Hloupis, Ilias Stavrakas, Konstantina Papachristopoulou, Christodoulos Keratidis.
    Towards Air Quality Estimation Using Collected Multimodal Environmental Data.
    Collective Online Platforms for Financial and Environmental Awareness - First International Workshop on the Internet for Financial Collective Awareness and Intelligence, IFIN 2016 and First International Workshop on Internet and Social Media for Environme 2016 (0) 2016
    Conference paper
    Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Yiannis Kompatsiaris.
    In-depth Exploration of Geotagging Performance using Sampling Strategies on YFCC100M.
    Proceedings of the 2016 ACM Workshop on Multimedia COMMONS, Amsterdam, Netherlands, October 16, 2016 2016 (0) 2016
    Conference paper
    Theodora Tsikrika, Katerina Andreadou, Anastasia Moumtzidou, Emmanouil Schinas, Symeon Papadopoulos, Stefanos Vrochidis, Yiannis Kompatsiaris.
    A Unified Model for Socially Interconnected Multimedia-Enriched Objects.
    MultiMedia Modeling - 21st International Conference, MMM 2015, Sydney, NSW, Australia, January 5-7, 2015, Proceedings, Part I 2015 (0) 2015
    Conference paper
    Adam Tsakalidis, Symeon Papadopoulos, Alexandra I. Cristea, Yiannis Kompatsiaris.
    Predicting Elections for Multiple Countries Using Twitter and Polls.
    IEEE Intelligent Systems 2015, Volume 30 (0) 2015
    Conference paper
    Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Geotagging Social Media Content with a Refined Language Modelling Approach.
    Intelligence and Security Informatics - Pacific Asia Workshop, PAISI 2015, Ho Chi Minh City, Vietnam, May 19, 2015. Proceedings 2015 (0) 2015
    Conference paper
    Katerina Andreadou, Symeon Papadopoulos, Lazaros Apostolidis, Anastasia Krithara, Yiannis Kompatsiaris.
    Media REVEALr: A Social Multimedia Monitoring and Intelligence System for Web Multimedia Verification.
    Intelligence and Security Informatics - Pacific Asia Workshop, PAISI 2015, Ho Chi Minh City, Vietnam, May 19, 2015. Proceedings 2015 (0) 2015
    Conference paper
    Thomas Theodoridis, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Assessing the Reliability of Facebook User Profiling.
    Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume 2015 (0) 2015
    Conference paper
    Eleni Mantziou, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Learning to detect concepts with Approximate Laplacian Eigenmaps in large-scale and online settings.
    IJMIR 2015, Volume 4 (0) 2015
    Conference paper
    Katerina Iliakopoulou, Symeon Papadopoulos, Yiannis Kompatsiaris.
    News-oriented multimedia search over multiple social networks.
    13th International Workshop on Content-Based Multimedia Indexing, CBMI 2015, Prague, Czech Republic, June 10-12, 2015 2015 (0) 2015
    Conference paper
    Katerina Andreadou, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Web image size prediction for efficient focused image crawling.
    13th International Workshop on Content-Based Multimedia Indexing, CBMI 2015, Prague, Czech Republic, June 10-12, 2015 2015 (0) 2015
    Conference paper
    Emmanouil Schinas, Symeon Papadopoulos, Yiannis Kompatsiaris, Pericles A. Mitkas.
    Visual Event Summarization on Social Media using Topic Modelling and Graph-based Ranking Algorithms.
    Proceedings of the 5th ACM on International Conference on Multimedia Retrieval, Shanghai, China, June 23-26, 2015 2015 (0) 2015
    Conference paper
    Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Alexandru-Lucian Gînsca, Adrian Popescu, Yiannis Kompatsiaris, Ioannis P. Vlahavas.
    Improving Diversity in Image Search via Supervised Relevance Scoring.
    Proceedings of the 5th ACM on International Conference on Multimedia Retrieval, Shanghai, China, June 23-26, 2015 2015 (0) 2015
    Conference paper
    Markos Zampoglou, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Detecting image splicing in the wild (WEB).
    2015 IEEE International Conference on Multimedia Expo Workshops, ICME Workshops 2015, Turin, Italy, June 29 - July 3, 2015 2015 (0) 2015
    Conference paper
    Symeon Papadopoulos, Pablo César, David A. Shamma, Aisling Kelliher, Ramesh Jain.
    Social Multimedia and Storytelling [Guest editors' introduction].
    IEEE MultiMedia 2015, Volume 22 (0) 2015
    Conference paper
    Giorgos Kordopatis-Zilos, Adrian Popescu 0001, Symeon Papadopoulos, Yiannis Kompatsiaris.
    CERTH/CEA LIST at MediaEval Placing Task 2015.
    Working Notes Proceedings of the MediaEval 2015 Workshop, Wurzen, Germany, September 14-15, 2015. 2015 (0) 2015
    Conference paper
    Eleftherios Spyromitros Xioufis, Adrian Popescu 0001, Symeon Papadopoulos, Yiannis Kompatsiaris.
    USEMP: Finding Diverse Images at MediaEval 2015.
    Working Notes Proceedings of the MediaEval 2015 Workshop, Wurzen, Germany, September 14-15, 2015. 2015 (0) 2015
    Conference paper
    Christina Boididou, Katerina Andreadou, Symeon Papadopoulos, Duc-Tien Dang-Nguyen, Giulia Boato, Michael Riegler, Yiannis Kompatsiaris.
    Verifying Multimedia Use at MediaEval 2015.
    Working Notes Proceedings of the MediaEval 2015 Workshop, Wurzen, Germany, September 14-15, 2015. 2015 (0) 2015
    Conference paper
    Christina Boididou, Symeon Papadopoulos, Duc-Tien Dang-Nguyen, Giulia Boato, Yiannis Kompatsiaris.
    The CERTH-UNITN Participation @ Verifying Multimedia Use 2015.
    Working Notes Proceedings of the MediaEval 2015 Workshop, Wurzen, Germany, September 14-15, 2015. 2015 (0) 2015
    Conference paper
    Emmanouil Schinas, Symeon Papadopoulos, Georgios Petkos, Yiannis Kompatsiaris, Pericles A. Mitkas.
    Multimodal Graph-based Event Detection and Summarization in Social Media Streams.
    Proceedings of the 23rd Annual ACM Conference on Multimedia Conference, MM '15, Brisbane, Australia, October 26 - 30, 2015 2015 (0) 2015
    Conference paper
    Georgios Petkos, Symeon Papadopoulos, Yiannis Kompatsiaris.
    PScore: A Framework for Enhancing Privacy Awareness in Online Social Networks.
    10th International Conference on Availability, Reliability and Security, ARES 2015, Toulouse, France, August 24-27, 2015 2015 (0) 2015
    Conference paper
    Adrian Popescu, Eleftherios Spyromitros Xoufis, Symeon Papadopoulos, Hervé Le Borgne, Yiannis Kompatsiaris.
    Toward an Automatic Evaluation of Retrieval Performance with Large Scale Image Collections.
    Proceedings of the 2015 Workshop on Community-Organized Multimodal Mining: Opportunities for Novel Solutions, MMCommons 2015, Brisbane, Australia, October 30, 2015 2015 (0) 2015
    Conference paper
    Georgios Petkos, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Social Circle Discovery in Ego-Networks by Mining the Latent Structure of User Connections and Profile Attributes.
    Proceedings of the 2015 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining, ASONAM 2015, Paris, France, August 25 - 28, 2015 2015 (0) 2015
    Conference paper
    Theodora Tsikrika, Symeon Papadopoulos, Stefanos Vrochidis, Yiannis Kompatsiaris.
    10th European Summer School in Information Retrieval (ESSIR 2015).
    SIGIR Forum 2015, Volume 49 (0) 2015
    Conference paper
    Adrian Popescu 0001, Mireille Hildebrandt, J. Breuer, Laurence Claeys, Symeon Papadopoulos, Georgios Petkos, Theodoros Michalareas, D. Lund, Rob Heyman, Shenja van der Graaf, Etienne Gadeski, Hervé Le Borgne, K. deVries, Timotheos Kastrinogiannis, A. Kousaridas, A. Padyab.
    Increasing Transparency and Privacy for Online Social Network Users - USEMP Value Model, Scoring Framework and Legal.
    Privacy Technologies and Policy - Third Annual Privacy Forum, APF 2015, Luxembourg, October 7-8, 2015, Revised Selected Papers 2016 (0) 2015
    Conference paper
    Georgios Petkos, Symeon Papadopoulos, Emmanouil Schinas, Yiannis Kompatsiaris.
    Graph-Based Multimodal Clustering for Social Event Detection in Large Collections of Images.
    MultiMedia Modeling - 20th Anniversary International Conference, MMM 2014, Dublin, Ireland, January 6-10, 2014, Proceedings, Part I 2014 (0) 2014
    Conference paper
    Yiannis Kompatsiaris, Sotiris Diplaris, Symeon Papadopoulos.
    Social Data and Multimedia Analytics for News and Events Applications.
    Proceedings of the Workshops of the EDBT/ICDT 2014 Joint Conference (EDBT/ICDT 2014), Athens, Greece, March 28, 2014. 2014 (0) 2014
    Conference paper
    Timo Reuter, Symeon Papadopoulos, Vasileios Mezaris, Philipp Cimiano.
    ReSEED: social event dEtection dataset.
    Multimedia Systems Conference 2014, MMSys '14, Singapore, March 19-21, 2014 2014 (0) 2014
    Conference paper
    Christina Boididou, Symeon Papadopoulos, Yiannis Kompatsiaris, Steve Schifferes, Nic Newman.
    Challenges of computational verification in social multimedia.
    23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume 2014 (0) 2014
    Conference paper
    Georgios Petkos, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Two-level Message Clustering for Topic Detection in Twitter.
    Proceedings of the SNOW 2014 Data Challenge co-located with 23rd International World Wide Web Conference (WWW 2014), Seoul, Korea, April 8, 2014. 2014 (0) 2014
    Conference paper
    Symeon Papadopoulos, David Corney, Luca Maria Aiello.
    SNOW 2014 Data Challenge: Assessing the Performance of News Topic Detection Methods in Social Media.
    Proceedings of the SNOW 2014 Data Challenge co-located with 23rd International World Wide Web Conference (WWW 2014), Seoul, Korea, April 8, 2014. 2014 (0) 2014
    Conference paper
    Georgios Petkos, Symeon Papadopoulos, Luca Maria Aiello, Ryan Skraba, Yiannis Kompatsiaris.
    A soft frequent pattern mining approach for textual topic detection.
    4th International Conference on Web Intelligence, Mining and Semantics (WIMS 14), WIMS '14, Thessaloniki, Greece, June 2-4, 2014 2014 (0) 2014
    Conference paper
    Symeon Papadopoulos, Yiannis Kompatsiaris.
    Social Multimedia Crawling for Mining and Search.
    IEEE Computer 2014, Volume 47 (0) 2014
    Journal article
    Christos Zigkolis, Symeon Papadopoulos, George Filippou, Yiannis Kompatsiaris, Athena Vakali.
    Collaborative event annotation in tagged photo collections.
    Multimedia Tools Appl. 2014, Volume 70 (0) 2014
    Conference paper
    Emmanouil Schinas, Symeon Papadopoulos, Yiannis Kompatsiaris, Pericles A. Mitkas.
    StreamGrid: Summarization of Large Scale Events using Topic Modelling and Temporal Analysis.
    Proceedings of the 1st International Workshop on Social Multimedia and Storytelling co-located with ACM International Conference on Multimedia Retrieval (ICMR 2014), Glasgow, Scotland, UK, April 1, 2014. 2014 (0) 2014
    Conference paper
    Adam Tsakalidis, Symeon Papadopoulos, Yiannis Kompatsiaris.
    An Ensemble Model for Cross-Domain Polarity Classification on Twitter.
    Web Information Systems Engineering - WISE 2014 - 15th International Conference, Thessaloniki, Greece, October 12-14, 2014, Proceedings, Part II 2014 (0) 2014
    Conference paper
    Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Yiannis Kompatsiaris, Grigorios Tsoumakas, Ioannis P. Vlahavas.
    A Comprehensive Study Over VLAD and Product Quantization in Large-Scale Image Retrieval.
    IEEE Transactions on Multimedia 2014, Volume 16 (0) 2014
    Conference paper
    Yiannis Kompatsiaris, Sotiris Diplaris, Symeon Papadopoulos.
    Collective Intelligence, Overview.
    Encyclopedia of Social Network Analysis and Mining 2014 (0) 2014
    Conference paper
    Georgios Petkos, Symeon Papadopoulos, Vasileios Mezaris, Yiannis Kompatsiaris.
    Social Event Detection at MediaEval 2014: Challenges, Datasets, and Evaluation.
    Working Notes Proceedings of the MediaEval 2014 Workshop, Barcelona, Catalunya, Spain, October 16-17, 2014. 2014 (0) 2014
    Conference paper
    Adrian Popescu, Symeon Papadopoulos, Yiannis Kompatsiaris.
    USEMP at MediaEval Placing Task 2014.
    Working Notes Proceedings of the MediaEval 2014 Workshop, Barcelona, Catalunya, Spain, October 16-17, 2014. 2014 (0) 2014
    Conference paper
    Giorgos Kordopatis-Zilos, Giorgos Orfanidis, Symeon Papadopoulos, Yiannis Kompatsiaris.
    SocialSensor at MediaEval Placing Task 2014.
    Working Notes Proceedings of the MediaEval 2014 Workshop, Barcelona, Catalunya, Spain, October 16-17, 2014. 2014 (0) 2014
    Conference paper
    Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Yiannis Kompatsiaris, Ioannis P. Vlahavas.
    SocialSensor: Finding Diverse Images at MediaEval 2014.
    Working Notes Proceedings of the MediaEval 2014 Workshop, Barcelona, Catalunya, Spain, October 16-17, 2014. 2014 (0) 2014
    Conference paper
    Marina Riga, Georgios Petkos, Symeon Papadopoulos, Emmanouil Schinas, Yiannis Kompatsiaris.
    CERTH @ MediaEval 2014 Social Event Detection Task.
    Working Notes Proceedings of the MediaEval 2014 Workshop, Barcelona, Catalunya, Spain, October 16-17, 2014. 2014 (0) 2014
    Conference paper
    Sotirios Beis, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Benchmarking Graph Databases on the Problem of Community Detection.
    New Trends in Database and Information Systems II - Selected papers of the 18th East European Conference on Advances in Databases and Information Systems and Associated Satellite Events, ADBIS 2014 Ohrid, Macedonia, September 7-10, 2014 Proceedings II 2015 (0) 2014
    Conference paper
    Symeon Papadopoulos, Christos Sagonas, Yiannis Kompatsiaris, Athena Vakali.
    Semi-supervised Concept Detection by Learning the Structure of Similarity Graphs.
    Advances in Multimedia Modeling, 19th International Conference, MMM 2013, Huangshan, China, January 7-9, 2013, Proceedings, Part I 2013 (0) 2013
    Conference paper
    Symeon Papadopoulos, Emmanouil Schinas, Vasileios Mezaris, Raphaël Troncy, Yiannis Kompatsiaris.
    The 2012 social event detection dataset.
    Multimedia Systems Conference 2013, MMSys '13, Oslo, Norway, February 27 - March 01, 2013 2013 (0) 2013
    Conference paper
    Dimitrios Kastrinakis, Symeon Papadopoulos, Athena Vakali.
    Compact and Distinctive Visual Vocabularies for Efficient Multimedia Data Indexing.
    Advances in Databases and Information Systems - 17th East European Conference, ADBIS 2013, Genoa, Italy, September 1-4, 2013. Proceedings 2013 (0) 2013
    Conference paper
    Emmanouil Schinas, Symeon Papadopoulos, Sotiris Diplaris, Yiannis Kompatsiaris, Yosi Mass, Jonathan Herzig, Lazaros Boudakidis.
    EventSense: capturing the pulse of large-scale events by mining social media streams.
    17th Panhellenic Conference on Informatics, PCI 2013, Thessaloniki, Greece - September 19 - 21, 2013 2013 (0) 2013
    Conference paper
    Konstantinos Konstantinidis, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Community structure and evolution analysis of OSN interactions around real-world social phenomena.
    17th Panhellenic Conference on Informatics, PCI 2013, Thessaloniki, Greece - September 19 - 21, 2013 2013 (0) 2013
    Conference paper
    Luca Maria Aiello, Georgios Petkos, Carlos J. Martín-Dancausa, David Corney, Symeon Papadopoulos, Ryan Skraba, Ayse Göker, Yiannis Kompatsiaris, Alejandro Jaimes.
    Sensing Trending Topics in Twitter.
    IEEE Transactions on Multimedia 2013, Volume 15 (0) 2013
    Conference paper
    Eleni Mantziou, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Scalable training with approximate incremental laplacian eigenmaps and PCA.
    ACM Multimedia Conference, MM '13, Barcelona, Spain, October 21-25, 2013 2013 (0) 2013
    Conference paper
    David Corney, Carlos J. Martín-Dancausa, Ayse Göker, Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Yiannis Kompatsiaris, Luca Maria Aiello, Bart Thomee.
    SocialSensor: Finding Diverse Images at MediaEval 2013.
    Proceedings of the MediaEval 2013 Multimedia Benchmark Workshop, Barcelona, Spain, October 18-19, 2013. 2013 (0) 2013
    Conference paper
    Giorgos Kordopatis-Zilos, Symeon Papadopoulos, Eleftherios Spyromitros Xioufis, Andreas L. Symeonidis, Yiannis Kompatsiaris.
    CERTH at MediaEval Placing Task 2013.
    Proceedings of the MediaEval 2013 Multimedia Benchmark Workshop, Barcelona, Spain, October 18-19, 2013. 2013 (0) 2013
    Conference paper
    Emmanouil Schinas, Eleni Mantziou, Symeon Papadopoulos, Georgios Petkos, Yiannis Kompatsiaris.
    CERTH @ MediaEval 2013 Social Event Detection Task.
    Proceedings of the MediaEval 2013 Multimedia Benchmark Workshop, Barcelona, Spain, October 18-19, 2013. 2013 (0) 2013
    Conference paper
    Timo Reuter, Symeon Papadopoulos, Georgios Petkos, Vasileios Mezaris, Yiannis Kompatsiaris, Philipp Cimiano, Christopher M. De Vries, Shlomo Geva.
    Social Event Detection at MediaEval 2013: Challenges, Datasets, and Evaluation.
    Proceedings of the MediaEval 2013 Multimedia Benchmark Workshop, Barcelona, Spain, October 18-19, 2013. 2013 (0) 2013
    Conference paper
    Spiros Nikolopoulos, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Reality mining in urban space.
    4th International Conference on Information, Intelligence, Systems and Applications, IISA 2013, Piraeus, Greece, July 10-12, 2013 2013 (0) 2013
    Conference paper
    Eleni Mantziou, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Large-scale semi-supervised learning by Approximate Laplacian Eigenmaps, VLAD and pyramids.
    14th International Workshop on Image Analysis for Multimedia Interactive Services, WIAMIS 2013, Paris, France, July 3-5, 2013 2013 (0) 2013
    Conference paper
    Symeon Papadopoulos, Yiannis Kompatsiaris, Athena Vakali, Ploutarchos Spyridonos.
    Community detection in Social Media - Performance and application considerations.
    Data Min. Knowl. Discov. 2012, Volume 24 (0) 2012
    Conference paper
    Sotiris Diplaris, Symeon Papadopoulos, Yiannis Kompatsiaris, Nicolaus Heise, Jochen Spangenberg, Nic Newman, Hakim Hacid.
    "Making sense of it all": an attempt to aid journalists in analysing and filtering user generated content.
    Proceedings of the 21st World Wide Web Conference, WWW 2012, Lyon, France, April 16-20, 2012 (Companion Volume) 2012 (0) 2012
    Conference paper
    Sotiris Diplaris, Symeon Papadopoulos, Yiannis Kompatsiaris, Ayse Göker, Andrew MacFarlane, Jochen Spangenberg, Hakim Hacid, Linas Maknavicius, Matthias Klusch.
    SocialSensor: sensing user generated input for improved media discovery and experience.
    Proceedings of the 21st World Wide Web Conference, WWW 2012, Lyon, France, April 16-20, 2012 (Companion Volume) 2012 (0) 2012
    Conference paper
    Georgios Petkos, Symeon Papadopoulos, Yiannis Kompatsiaris.
    Social event detection using multimodal clustering and integrating supervisory signals.
    International Conference on Multimedia Retrieval, ICMR '12, Hong Kong, China, June 5-8, 2012 2012 (0) 2012
    Conference paper
    Symeon Papadopoulos, Juxhin Bakalli, Yiannis Kompatsiaris, Emmanouil Schinas.
    Cluster-based photo browsing and tagging on the go.
    International Conference on Multimedia Retrieval, ICMR '12, Hong Kong, China, June 5-8, 2012 2012 (0) 2012
    Conference paper
    Eleni Mantziou, Georgios Petkos, Symeon Papadopoulos, Christos Sagonas, Yiannis Kompatsiaris.
    CERTH's Participation at the Photo Annotation Task of ImageCLEF 2012.
    CLEF 2012 Evaluation Labs and Workshop, Online Working Notes, Rome, Italy, September 17-20, 2012 2014 (0) 2012
    Conference paper
    Eleftherios Spyromitros Xioufis, Symeon Papadopoulos, Yiannis Kompatsiaris, Grigorios Tsoumakas, Ioannis P. Vlahavas.
    An empirical study on the combination of surf features with VLAD vectors for image search.
    13th International Workshop on Image Analysis for Multimedia Interactive Services, WIAMIS 2012, Dublin, Ireland, May 23-25, 2012 2012 (0) 2012
    Conference paper
    Emmanouil Schinas, Georgios Petkos, Symeon Papadopoulos, Yiannis Kompatsiaris.
    CERTH @ MediaEval 2012 Social Event Detection Task.
    Working Notes Proceedings of the MediaEval 2012 Workshop, Santa Croce in Fossabanda, Pisa, Italy, October 4-5, 2012 2012 (0) 2012
    Conference paper
    Symeon Papadopoulos, Emmanouil Schinas, Vasileios Mezaris, Raphaël Troncy, Yiannis Kompatsiaris.
    Social Event Detection at MediaEval 2012: Challenges, Dataset and Evaluation.
    Working Notes Proceedings of the MediaEval 2012 Workshop, Santa Croce in Fossabanda, Pisa, Italy, October 4-5, 2012 2012 (0) 2012
    Journal article
    Symeon Papadopoulos, Christos Zigkolis, Yiannis Kompatsiaris, Athena Vakali.
    Cluster-Based Landmark and Event Detection for Tagged Photo Collections.
    IEEE MultiMedia 2011, Volume 18 (0) 2011
    Conference paper
    Symeon Papadopoulos, Christos Zigkolis, Stefanos Kapiris, Yiannis Kompatsiaris, Athena Vakali.
    City exploration by use of spatio-temporal analysis and clustering of user contributed photos.
    Proceedings of the 1st International Conference on Multimedia Retrieval, ICMR 2011, Trento, Italy, April 18 - 20, 2011 2011 (0) 2011
    Conference paper
    Symeon Papadopoulos, Raphaël Troncy, Vasileios Mezaris, Benoit Huet, Yiannis Kompatsiaris.
    Social Event Detection at MediaEval 2011: Challenges, dataset and evaluation.
    Working Notes Proceedings of the MediaEval 2011 Workshop, Santa Croce in Fossabanda, Pisa, Italy, September 1-2, 2011 2011 (0) 2011
    Conference paper
    Symeon Papadopoulos, Christos Zigkolis, Yiannis Kompatsiaris, Athena Vakali.
    CERTH @ MediaEval 2011 Social Event Detection Task.
    Working Notes Proceedings of the MediaEval 2011 Workshop, Santa Croce in Fossabanda, Pisa, Italy, September 1-2, 2011 2011 (0) 2011
    Conference paper
    Milan Mirkovic, Dubravko Culibrk, Symeon Papadopoulos, Christos Zigkolis, Yiannis Kompatsiaris, Gavin McArdle, Vladimir S. Crnojevic.
    A comparative study of spatial, temporal and content-based patterns emerging in YouTube and Flickr.
    International Conference on Computational Aspects of Social Networks, CASoN 2011, Salamanca, Spain, October 19-21, 2011 2011 (0) 2011
    Book chapter
    Spiros Nikolopoulos, Elisavet Chatzilari, Eirini Giannakidou, Symeon Papadopoulos, Yiannis Kompatsiaris, Athena Vakali.
    Leveraging Massive User Contributions for Knowledge Extraction.
    Next Generation Data Technologies for Collective Computational Intelligence 2011, Volume 352 (0) 2011
    Book chapter
    Sotiris Diplaris, Andreas C. Sonnenbichler, Tomasz Kaczanowski, Phivos Mylonas, Ansgar Scherp, Maciej Janik, Symeon Papadopoulos, Michael Ovelgönne, Yiannis Kompatsiaris.
    Emerging, Collective Intelligence for Personal, Organisational and Social Use.
    Next Generation Data Technologies for Collective Computational Intelligence 2011, Volume 352 (0) 2011
    Book chapter
    Maria Giatsoglou, Symeon Papadopoulos, Athena Vakali.
    Massive Graph Management for the Web and Web 2.0.
    New Directions in Web Data Management 1 2011, Volume 331 (0) 2011
    Book chapter
    Symeon Papadopoulos, Athena Vakali, Yiannis Kompatsiaris.
    Community Detection in Collaborative Tagging Systems.
    Community-Built Databases - Research and Development. 2011 (0) 2011
    Conference paper
    Elisavet Chatzilari, Spiros Nikolopoulos, Symeon Papadopoulos, Christos Zigkolis, Yiannis Kompatsiaris.
    Semi-supervised object recognition using flickr images.
    9th International Workshop on Content-Based Multimedia Indexing, CBMI 2011, Madrid, Spain, June 13-15, 2011 2011 (0) 2011
    Conference paper
    Christos Zigkolis, Symeon Papadopoulos, Yiannis Kompatsiaris, Athena Vakali.
    Detecting the long-tail of Points of Interest in tagged photo collections.
    9th International Workshop on Content-Based Multimedia Indexing, CBMI 2011, Madrid, Spain, June 13-15, 2011 2011 (0) 2011
    Conference paper
    Symeon Papadopoulos, Yiannis Kompatsiaris, Athena Vakali.
    A Graph-Based Clustering Scheme for Identifying Related Tags in Folksonomies.
    Data Warehousing and Knowledge Discovery, 12th International Conference, DAWAK 2010, Bilbao, Spain, August/September 2010. Proceedings 2010 (0) 2010
    Conference paper
    Symeon Papadopoulos, Christos Zigkolis, Stefanos Kapiris, Yiannis Kompatsiaris, Athena Vakali.
    ClustTour: city exploration by use of hybrid photo clustering.
    Proceedings of the 18th International Conference on Multimedia 2010, Firenze, Italy, October 25-29, 2010 2010 (0) 2010
    Conference paper
    Symeon Papadopoulos, Christos Zigkolis, Giorgos Tolias, Yannis Kalantidis, Phivos Mylonas, Yiannis Kompatsiaris, Athena Vakali.
    Image clustering through community detection on hybrid image similarity graphs.
    Proceedings of the International Conference on Image Processing, ICIP 2010, September 26-29, Hong Kong, China 2010 (0) 2010
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