IR
Anthology
Community
Ioannis
Kompatsiaris
2024
doi
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Bias Detection and Mitigation in Textual Data: A Study on Fake News and Hate Speech Detection.
Apostolos Kasampalis
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Despoina Chatzakou
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Theodora Tsikrika
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part III
doi
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3DMSE: An Interactive 3D Media Search Engine.
Maria Eirini Pegia
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Dimitris Georgalis
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Nick Pantelidis
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Björn Þór Jónsson
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Anastasia Moumtzidou
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Sotiris Diplaris
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Ilias Gialampoukidis
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Proceedings of the 2024 International Conference on Multimedia Retrieval, ICMR 2024, Phuket, Thailand, June 10-14, 2024
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ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2024.
Konstantinos Gkountakos
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Damianos Galanopoulos
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Antonios Leventakis
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Georgios Tsionkis
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Klearchos Stavrothanasopoulos
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Konstantinos Ioannidis
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Stefanos Vrochidis
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Vasileios Mezaris
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Ioannis Kompatsiaris
Proceedings of the Thirty-Third Text REtrieval Conference, TREC 2024, Gaithersburg, MD, USA, November 18-22, 2024
2023
doi
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Proceedings of the 2023 ACM International Conference on Multimedia Retrieval, ICMR 2023, Thessaloniki, Greece, June 12-15, 2023
International Conference on Multimedia Retrieval (ICMR) 2023
doi
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Trend Detection in Crime-Related Time Series with Change Point Detection Methods.
Apostolos Konstantinou
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Despoina Chatzakou
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Ourania Theodosiadou
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Theodora Tsikrika
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Experimental IR Meets Multilinguality, Multimodality, and Interaction - 14th International Conference of the CLEF Association, CLEF 2023, Thessaloniki, Greece, September 18-21, 2023, Proceedings
doi
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Domain-Aligned Data Augmentation for Low-Resource and Imbalanced Text Classification.
Nikolaos Stylianou
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Despoina Chatzakou
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Theodora Tsikrika
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part II
doi
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Tweaking EfficientDet for frugal training.
Georgios Orfanidis
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Konstantinos Ioannidis
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Anastasios Tefas
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Proceedings of the 2023 ACM International Conference on Multimedia Retrieval, ICMR 2023, Thessaloniki, Greece, June 12-15, 2023
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MuseHash: Supervised Bayesian Hashing for Multimodal Image Representation.
Maria Pegia
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Björn Þór Jónsson
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Anastasia Moumtzidou
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Ilias Gialampoukidis
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Proceedings of the 2023 ACM International Conference on Multimedia Retrieval, ICMR 2023, Thessaloniki, Greece, June 12-15, 2023
2022
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Multimodal Quasi-AutoRegression: forecasting the visual popularity of new fashion products.
Stefanos-Iordanis Papadopoulos
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Christos Koutlis
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Symeon Papadopoulos
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Ioannis Kompatsiaris
International Journal of Multimedia Information Retrieval (IJMIR) 2022 Volume 11 Issue 4
doi
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Leveraging Transformer Self Attention Encoder for Crisis Event Detection in Short Texts.
Pantelis Kyriakidis
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Despoina Chatzakou
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Theodora Tsikrika
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part II
doi
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Automatic Visual Recognition of Unexploded Ordnances Using Supervised Deep Learning.
Georgios Begkas
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Panagiotis Giannakeris
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Konstantinos Ioannidis
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Georgios Kalpakis
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Theodora Tsikrika
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Stefanos Vrochidis
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Ioannis Kompatsiaris
ICMR '22: International Conference on Multimedia Retrieval, Newark, NJ, USA, June 27 - 30, 2022
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M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2022.
Alexandros-Michail Koufakis
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Theodora Tsikrika
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Proceedings of the Thirty-First Text REtrieval Conference, TREC 2022, online, November 15-19, 2022
2021
doi
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Spatio-Temporal Activity Detection and Recognition in Untrimmed Surveillance Videos.
Konstantinos Gkountakos
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Despoina Touska
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Konstantinos Ioannidis
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Theodora Tsikrika
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Stefanos Vrochidis
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Ioannis Kompatsiaris
ICMR '21: International Conference on Multimedia Retrieval, Taipei, Taiwan, August 21-24, 2021
doi
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Leveraging EfficientNet and Contrastive Learning for Accurate Global-scale Location Estimation.
Giorgos Kordopatis-Zilos
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Panagiotis Galopoulos
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Symeon Papadopoulos
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Ioannis Kompatsiaris
ICMR '21: International Conference on Multimedia Retrieval, Taipei, Taiwan, August 21-24, 2021
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M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2021.
Alexandros-Michail Koufakis
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Theodora Tsikrika
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Proceedings of the Thirtieth Text REtrieval Conference, TREC 2021, online, November 15-19, 2021
2020
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Boosted seed oversampling for local community ranking.
Emmanouil Krasanakis
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Emmanouil Schinas
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Symeon Papadopoulos
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Yiannis Kompatsiaris
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Andreas L. Symeonidis
Information Processing and Management 2020 Volume 57 Issue 2
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A Crowd Analysis Framework for Detecting Violence Scenes.
Konstantinos Gkountakos
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Konstantinos Ioannidis
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Theodora Tsikrika
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Proceedings of the 2020 on International Conference on Multimedia Retrieval, ICMR 2020, Dublin, Ireland, June 8-11, 2020.
2019
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A Test Collection for Passage Retrieval Evaluation of Spanish Health-Related Resources.
Eleni Kamateri
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Theodora Tsikrika
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Spyridon Symeonidis
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Stefanos Vrochidis
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Wolfgang Minker
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Yiannis Kompatsiaris
Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part II
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Data-Driven Song Recognition Estimation Using Collective Memory Dynamics Models.
Christos Koutlis
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Manos Schinas
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Vasiliki Gkatziaki
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Symeon Papadopoulos
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Yiannis Kompatsiaris
Proceedings of the 20th International Society for Music Information Retrieval Conference, ISMIR 2019, Delft, The Netherlands, November 4-8, 2019
2018
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Detection and visualization of misleading content on Twitter.
Christina Boididou
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Symeon Papadopoulos
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Markos Zampoglou
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Lazaros Apostolidis
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Olga Papadopoulou
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Yiannis Kompatsiaris
International Journal of Multimedia Information Retrieval (IJMIR) 2018 Volume 7 Issue 1
doi
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Location Extraction from Social Media: Geoparsing, Location Disambiguation, and Geotagging.
Stuart E. Middleton
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Giorgos Kordopatis-Zilos
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Symeon Papadopoulos
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Yiannis Kompatsiaris
ACM Transactions on Information Systems (TOIS) 2018 Volume 36 Issue 4
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VenueRank: Identifying Venues that Contribute to Artist Popularity.
Emmanouil Krasanakis
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Emmanouil Schinas
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Symeon Papadopoulos
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Yiannis Kompatsiaris
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Pericles A. Mitkas
Proceedings of the 19th International Society for Music Information Retrieval Conference, ISMIR 2018, Paris, France, September 23-27, 2018
doi
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Adaptive Sensitive Reweighting to Mitigate Bias in Fairness-aware Classification.
Emmanouil Krasanakis
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Eleftherios Spyromitros Xioufis
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Symeon Papadopoulos
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Yiannis Kompatsiaris
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018
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Flood Relevance Estimation from Visual and Textual Content in Social Media Streams.
Anastasia Moumtzidou
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Stelios Andreadis
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Ilias Gialampoukidis
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Anastasios Karakostas
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Companion Proceedings of the The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018
2017
doi
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Learning to Detect Misleading Content on Twitter.
Christina Boididou
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Symeon Papadopoulos
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Lazaros Apostolidis
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Yiannis Kompatsiaris
Proceedings of the 2017 ACM on International Conference on Multimedia Retrieval, ICMR 2017, Bucharest, Romania, June 6-9, 2017
2016
doi
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MGraph: multimodal event summarization in social media using topic models and graph-based ranking.
Manos Schinas
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Symeon Papadopoulos
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Yiannis Kompatsiaris
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Pericles A. Mitkas
International Journal of Multimedia Information Retrieval (IJMIR) 2016 Volume 5 Issue 1
doi
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Retrieval of Multimedia Objects by Fusing Multiple Modalities.
Ilias Gialampoukidis
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Anastasia Moumtzidou
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Theodora Tsikrika
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, ICMR 2016, New York, New York, USA, June 6-9, 2016
doi
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Multimodal Event Detection and Summarization in Large Scale Image Collections.
Manos Schinas
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Symeon Papadopoulos
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Georgios Petkos
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Yiannis Kompatsiaris
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Pericles A. Mitkas
Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, ICMR 2016, New York, New York, USA, June 6-9, 2016
doi
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Personalized Privacy-aware Image Classification.
Eleftherios Spyromitros Xioufis
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Symeon Papadopoulos
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Adrian Popescu
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Yiannis Kompatsiaris
Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, ICMR 2016, New York, New York, USA, June 6-9, 2016
doi
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Predicting News Popularity by Mining Online Discussions.
Georgios Rizos
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Symeon Papadopoulos
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Yiannis Kompatsiaris
Proceedings of the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, April 11-15, 2016, Companion Volume
2015
doi
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Learning to detect concepts with Approximate Laplacian Eigenmaps in large-scale and online settings.
Eleni Mantziou
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Symeon Papadopoulos
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Yiannis Kompatsiaris
International Journal of Multimedia Information Retrieval (IJMIR) 2015 Volume 4 Issue 2
doi
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10th European Summer School in Information Retrieval (ESSIR 2015).
Theodora Tsikrika
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Symeon Papadopoulos
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Stefanos Vrochidis
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Yiannis Kompatsiaris
SIGIR Forum 2015 Volume 49 Issue 2
doi
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Visual Event Summarization on Social Media using Topic Modelling and Graph-based Ranking Algorithms.
Manos Schinas
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Symeon Papadopoulos
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Yiannis Kompatsiaris
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Pericles A. Mitkas
Proceedings of the 5th ACM on International Conference on Multimedia Retrieval, Shanghai, China, June 23-26, 2015
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Improving Diversity in Image Search via Supervised Relevance Scoring.
Eleftherios Spyromitros Xioufis
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Symeon Papadopoulos
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Alexandru-Lucian Gînsca
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Adrian Popescu
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Yiannis Kompatsiaris
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Ioannis P. Vlahavas
Proceedings of the 5th ACM on International Conference on Multimedia Retrieval, Shanghai, China, June 23-26, 2015
doi
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Discovery of Environmental Web Resources Based on the Combination of Multimedia Evidence.
Theodora Tsikrika
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Antonis Latas
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Anastasia Moumtzidou
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Elisavet Chatzilari
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Stefanos Vrochidis
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Yiannis Kompatsiaris
Proceedings of the 2nd International Workshop on Environmental Multimedia Retrieval, EMR@ICMR 2015, Shanghai, China, June 23-26, 2015
doi
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Assessing the Reliability of Facebook User Profiling.
Thomas Theodoridis
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Symeon Papadopoulos
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Yiannis Kompatsiaris
Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume
2014
doi
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News Articles Classification Using Random Forests and Weighted Multimodal Features.
Dimitris Liparas
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Yaakov HaCohen-Kerner
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Anastasia Moumtzidou
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Multidisciplinary Information Retrieval - 7th Information Retrieval Facility Conference, IRFC 2014, Copenhagen, Denmark, November 10-12, 2014, Proceedings
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Challenges of computational verification in social multimedia.
Christina Boididou
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Symeon Papadopoulos
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Yiannis Kompatsiaris
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Steve Schifferes
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Nic Newman
23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume
2013
doi
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Concept Extraction from Patent Images Based on Recursive Hybrid Classification.
Anastasia Moumtzidou
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Stefanos Vrochidis
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Ioannis Kompatsiaris
Multidisciplinary Information Retrieval - 6th Information Retrieval Facility Conference, IRFC 2013, Limassol, Cyprus, October 7-9, 2013. Proceedings
2012
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CERTH's Participation at the Photo Annotation Task of ImageCLEF 2012.
Eleni Mantziou
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Georgios Petkos
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Symeon Papadopoulos
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Christos Sagonas
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Yiannis Kompatsiaris
CLEF 2012 Evaluation Labs and Workshop, Online Working Notes, Rome, Italy, September 17-20, 2012
doi
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Discovery of Environmental Nodes in the Web.
Anastasia Moumtzidou
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Stefanos Vrochidis
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Sara Tonelli
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Ioannis Kompatsiaris
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Emanuele Pianta
Multidisciplinary Information Retrieval - 5th International Retrieval Facility Conference, IRFC 2012, Vienna, Austria, July 2-3, 2012 Proceedings
doi
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PatMedia: Augmenting Patent Search with Content-Based Image Retrieval.
Stefanos Vrochidis
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Anastasia Moumtzidou
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Gerard Ypma
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Ioannis Kompatsiaris
Multidisciplinary Information Retrieval - 5th International Retrieval Facility Conference, IRFC 2012, Vienna, Austria, July 2-3, 2012 Proceedings
doi
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Multi-modal region selection approach for training object detectors.
Elisavet Chatzilari
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Spiros Nikolopoulos
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Yiannis Kompatsiaris
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Josef Kittler
International Conference on Multimedia Retrieval, ICMR '12, Hong Kong, China, June 5-8, 2012
doi
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Cluster-based photo browsing and tagging on the go.
Symeon Papadopoulos
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Juxhin Bakalli
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Yiannis Kompatsiaris
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Emmanouil Schinas
International Conference on Multimedia Retrieval, ICMR '12, Hong Kong, China, June 5-8, 2012
doi
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Social event detection using multimodal clustering and integrating supervisory signals.
Georgios Petkos
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Symeon Papadopoulos
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Yiannis Kompatsiaris
International Conference on Multimedia Retrieval, ICMR '12, Hong Kong, China, June 5-8, 2012
doi
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SocialSensor: sensing user generated input for improved media discovery and experience.
Sotiris Diplaris
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Symeon Papadopoulos
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Ioannis Kompatsiaris
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Ayse Göker
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Andrew MacFarlane
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Jochen Spangenberg
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Hakim Hacid
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Linas Maknavicius
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Matthias Klusch
Proceedings of the 21st World Wide Web Conference, WWW 2012, Lyon, France, April 16-20, 2012 (Companion Volume)
doi
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"Making sense of it all": an attempt to aid journalists in analysing and filtering user generated content.
Sotiris Diplaris
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Symeon Papadopoulos
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Ioannis Kompatsiaris
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Nicolaus Heise
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Jochen Spangenberg
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Nic Newman
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Hakim Hacid
Proceedings of the 21st World Wide Web Conference, WWW 2012, Lyon, France, April 16-20, 2012 (Companion Volume)
2011
doi
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City exploration by use of spatio-temporal analysis and clustering of user contributed photos.
Symeon Papadopoulos
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Christos Zigkolis
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Stefanos Kapiris
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Yiannis Kompatsiaris
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Athena Vakali
Proceedings of the 1st International Conference on Multimedia Retrieval, ICMR 2011, Trento, Italy, April 18 - 20, 2011
doi
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High-level event detection system based on discriminant visual concepts.
Ioannis Tsampoulatidis
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Nikolaos Gkalelis
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Anastasios Dimou
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Vasileios Mezaris
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Ioannis Kompatsiaris
Proceedings of the 1st International Conference on Multimedia Retrieval, ICMR 2011, Trento, Italy, April 18 - 20, 2011
doi
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An eye-tracking-based approach to facilitate interactive video search.
Stefanos Vrochidis
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Ioannis Patras
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Ioannis Kompatsiaris
Proceedings of the 1st International Conference on Multimedia Retrieval, ICMR 2011, Trento, Italy, April 18 - 20, 2011
2010
doi
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Optimizing visual search with implicit user feedback in interactive video retrieval.
Stefanos Vrochidis
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Ioannis Kompatsiaris
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Ioannis Patras
Proceedings of the 9th ACM International Conference on Image and Video Retrieval, CIVR 2010, Xi'an, China, July 5-7, 2010
2009
doi
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Proceedings of the 8th ACM International Conference on Image and Video Retrieval, CIVR 2009, Santorini Island, Greece, July 8-10, 2009
ACM International Conference on Image and Video Retrieval (CIVR) 2009
doi
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MKLab interactive video retrieval system.
Stefanos Vrochidis
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Paul King
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Lambros Makris
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Anastasia Moumtzidou
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Spiros Nikolopoulos
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Anastasios Dimou
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Vasileios Mezaris
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Ioannis Kompatsiaris
Proceedings of the 8th ACM International Conference on Image and Video Retrieval, CIVR 2009, Santorini Island, Greece, July 8-10, 2009
doi
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Lexical Graphs for Improved Contextual Ad Recommendation.
Symeon Papadopoulos
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Fotis Menemenis
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Yiannis Kompatsiaris
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Ben Bratu
Advances in Information Retrieval, 31th European Conference on IR Research, ECIR 2009, Toulouse, France, April 6-9, 2009. Proceedings
doi
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Modeling facial expressions and peripheral physiological signals to predict topical relevance.
Ioannis Arapakis
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Ioannis Konstas
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Joemon M. Jose
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Ioannis Kompatsiaris
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009
2008
doi
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Accumulated motion energy fields estimation and representation for semantic event detection.
Georgios Th. Papadopoulos
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Vasileios Mezaris
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Ioannis Kompatsiaris
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Michael G. Strintzis
Proceedings of the 7th ACM International Conference on Image and Video Retrieval, CIVR 2008, Niagara Falls, Canada, July 7-9, 2008
doi
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MKLab interactive video retrieval system.
Stefanos Vrochidis
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Paul King
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Lambros Makris
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Anastasia Moumtzidou
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Vasileios Mezaris
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Ioannis Kompatsiaris
Proceedings of the 7th ACM International Conference on Image and Video Retrieval, CIVR 2008, Niagara Falls, Canada, July 7-9, 2008
doi
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Human activity localization via sequential change detection.
Alexia Briassouli
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Ioannis Kompatsiaris
Proceedings of the 1st ACM SIGMM International Conference on Multimedia Information Retrieval, MIR 2008, Vancouver, British Columbia, Canada, October 30-31, 2008
2007
doi
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ITI interactive video retrieval system.
Stefanos Vrochidis
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Vasileios Mezaris
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Ioannis Kompatsiaris
Proceedings of the 6th ACM International Conference on Image and Video Retrieval, CIVR 2007, Amsterdam, The Netherlands, July 9-11, 2007
2004
doi
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A Test-Bed for Region-Based Image Retrieval Using Multiple Segmentation Algorithms and the MPEG-7 eXperimentation Model: The Schema Reference System.
Vasileios Mezaris
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Haralambos Doulaverakis
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Raúl Medina Beltrán de Otálora
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Stephan Herrmann
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Ioannis Kompatsiaris
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Michael G. Strintzis
Image and Video Retrieval: Third International Conference, CIVR 2004, Dublin, Ireland, July 21-23, 2004. Proceedings