Stefanos Vrochidis

2024

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Bias Detection and Mitigation in Textual Data: A Study on Fake News and Hate Speech Detection.
Apostolos Kasampalis|Despoina Chatzakou|Theodora Tsikrika|Stefanos Vrochidis|Ioannis Kompatsiaris
Advances in Information Retrieval - 46th European Conference on Information Retrieval, ECIR 2024, Glasgow, UK, March 24-28, 2024, Proceedings, Part III
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Multimedia Retrieval in and for XR.
Maria Pegia|Sotiris Diplaris|Stefanos Vrochidis|Heiko Schuldt|Florian Spiess|Rahel Arnold|Werner Bailer
Proceedings of the 2024 International Conference on Multimedia Retrieval, ICMR 2024, Phuket, Thailand, June 10-14, 2024
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3DMSE: An Interactive 3D Media Search Engine.
Maria Eirini Pegia|Dimitris Georgalis|Nick Pantelidis|Björn Þór Jónsson|Anastasia Moumtzidou|Sotiris Diplaris|Ilias Gialampoukidis|Stefanos Vrochidis|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|Damianos Galanopoulos|Antonios Leventakis|Georgios Tsionkis|Klearchos Stavrothanasopoulos|Konstantinos Ioannidis|Stefanos Vrochidis|Vasileios Mezaris|Ioannis Kompatsiaris
Proceedings of the Thirty-Third Text REtrieval Conference, TREC 2024, Gaithersburg, MD, USA, November 18-22, 2024

2023

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Experimental IR Meets Multilinguality, Multimodality, and Interaction - 14th International Conference of the CLEF Association, CLEF 2023, Thessaloniki, Greece, September 18-21, 2023, Proceedings
Conference and Labs of the Evaluation Forum (CLEF) 2023
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Report on the 14th Conference and Labs of the Evaluation Forum (CLEF 2023): Experimental IR Meets Multilinguality, Multimodality, and Interaction.
Mohammad Aliannejadi|Avi Arampatzis|Guglielmo Faggioli|Nicola Ferro|Anastasia Giachanou|Evangelos Kanoulas|Dan Li|Theodora Tsikrika|Michalis Vlachos|Stefanos Vrochidis
SIGIR Forum 2023 Volume 57 Issue 2
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Trend Detection in Crime-Related Time Series with Change Point Detection Methods.
Apostolos Konstantinou|Despoina Chatzakou|Ourania Theodosiadou|Theodora Tsikrika|Stefanos Vrochidis|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
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Domain-Aligned Data Augmentation for Low-Resource and Imbalanced Text Classification.
Nikolaos Stylianou|Despoina Chatzakou|Theodora Tsikrika|Stefanos Vrochidis|Ioannis Kompatsiaris
Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part II
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Tweaking EfficientDet for frugal training.
Georgios Orfanidis|Konstantinos Ioannidis|Anastasios Tefas|Stefanos Vrochidis|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|Björn Þór Jónsson|Anastasia Moumtzidou|Ilias Gialampoukidis|Stefanos Vrochidis|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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Interactive video retrieval evaluation at a distance: comparing sixteen interactive video search systems in a remote setting at the 10th Video Browser Showdown.
Silvan Heller|Viktor Gsteiger|Werner Bailer|Cathal Gurrin|Björn Þór Jónsson|Jakub Lokoc|Andreas Leibetseder|Frantisek Mejzlík|Ladislav Peska|Luca Rossetto|Konstantin Schall|Klaus Schoeffmann|Heiko Schuldt|Florian Spiess|Ly-Duyen Tran|Lucia Vadicamo|Patrik Veselý|Stefanos Vrochidis|Jiaxin Wu
International Journal of Multimedia Information Retrieval (IJMIR) 2022 Volume 11 Issue 1
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Leveraging Transformer Self Attention Encoder for Crisis Event Detection in Short Texts.
Pantelis Kyriakidis|Despoina Chatzakou|Theodora Tsikrika|Stefanos Vrochidis|Ioannis Kompatsiaris
Advances in Information Retrieval - 44th European Conference on IR Research, ECIR 2022, Stavanger, Norway, April 10-14, 2022, Proceedings, Part II
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Automatic Visual Recognition of Unexploded Ordnances Using Supervised Deep Learning.
Georgios Begkas|Panagiotis Giannakeris|Konstantinos Ioannidis|Georgios Kalpakis|Theodora Tsikrika|Stefanos Vrochidis|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|Theodora Tsikrika|Stefanos Vrochidis|Ioannis Kompatsiaris
Proceedings of the Thirty-First Text REtrieval Conference, TREC 2022, online, November 15-19, 2022

2021

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Spatio-Temporal Activity Detection and Recognition in Untrimmed Surveillance Videos.
Konstantinos Gkountakos|Despoina Touska|Konstantinos Ioannidis|Theodora Tsikrika|Stefanos Vrochidis|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|Theodora Tsikrika|Stefanos Vrochidis|Ioannis Kompatsiaris
Proceedings of the Thirtieth Text REtrieval Conference, TREC 2021, online, November 15-19, 2021

2020

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Experimental IR Meets Multilinguality, Multimodality, and Interaction - 11th International Conference of the CLEF Association, CLEF 2020, Thessaloniki, Greece, September 22-25, 2020, Proceedings
Conference and Labs of the Evaluation Forum (CLEF) 2020
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Report on CLEF 2020.
Avi Arampatzis|Linda Cappellato|Carsten Eickhoff|Nicola Ferro|Hideo Joho|Evangelos Kanoulas|Christina Lioma|Aurélie Névéol|Theodora Tsikrika|Stefanos Vrochidis
SIGIR Forum 2020 Volume 54 Issue 2
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A Crowd Analysis Framework for Detecting Violence Scenes.
Konstantinos Gkountakos|Konstantinos Ioannidis|Theodora Tsikrika|Stefanos Vrochidis|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|Theodora Tsikrika|Spyridon Symeonidis|Stefanos Vrochidis|Wolfgang Minker|Yiannis Kompatsiaris
Advances in Information Retrieval - 41st European Conference on IR Research, ECIR 2019, Cologne, Germany, April 14-18, 2019, Proceedings, Part II

2018

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Flood Relevance Estimation from Visual and Textual Content in Social Media Streams.
Anastasia Moumtzidou|Stelios Andreadis|Ilias Gialampoukidis|Anastasios Karakostas|Stefanos Vrochidis|Ioannis Kompatsiaris
Companion Proceedings of the The Web Conference 2018, WWW 2018, Lyon , France, April 23-27, 2018

2017

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1st International Workshop on Search and Mining Terrorist Online Content & Advances in Data Science for Cyber Security and Risk on the Web.
Theodora Tsikrika|Babak Akhgar|Vasilis Katos|Stefanos Vrochidis|Pete Burnap|Matthew L. Williams
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

2016

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Retrieval of Multimedia Objects by Fusing Multiple Modalities.
Ilias Gialampoukidis|Anastasia Moumtzidou|Theodora Tsikrika|Stefanos Vrochidis|Ioannis Kompatsiaris
Proceedings of the 2016 ACM on International Conference on Multimedia Retrieval, ICMR 2016, New York, New York, USA, June 6-9, 2016

2015

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Proceedings of the 2nd International Workshop on Environmental Multimedia Retrieval, EMR@ICMR 2015, Shanghai, China, June 23-26, 2015
International Workshop on Environnmental Multimedia Retrieval 2015
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10th European Summer School in Information Retrieval (ESSIR 2015).
Theodora Tsikrika|Symeon Papadopoulos|Stefanos Vrochidis|Yiannis Kompatsiaris
SIGIR Forum 2015 Volume 49 Issue 2
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Discovery of Environmental Web Resources Based on the Combination of Multimedia Evidence.
Theodora Tsikrika|Antonis Latas|Anastasia Moumtzidou|Elisavet Chatzilari|Stefanos Vrochidis|Yiannis Kompatsiaris
Proceedings of the 2nd International Workshop on Environmental Multimedia Retrieval, EMR@ICMR 2015, Shanghai, China, June 23-26, 2015

2014

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News Articles Classification Using Random Forests and Weighted Multimodal Features.
Dimitris Liparas|Yaakov HaCohen-Kerner|Anastasia Moumtzidou|Stefanos Vrochidis|Ioannis Kompatsiaris
Multidisciplinary Information Retrieval - 7th Information Retrieval Facility Conference, IRFC 2014, Copenhagen, Denmark, November 10-12, 2014, Proceedings

2013

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Concept Extraction from Patent Images Based on Recursive Hybrid Classification.
Anastasia Moumtzidou|Stefanos Vrochidis|Ioannis Kompatsiaris
Multidisciplinary Information Retrieval - 6th Information Retrieval Facility Conference, IRFC 2013, Limassol, Cyprus, October 7-9, 2013. Proceedings

2012

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Discovery of Environmental Nodes in the Web.
Anastasia Moumtzidou|Stefanos Vrochidis|Sara Tonelli|Ioannis Kompatsiaris|Emanuele Pianta
Multidisciplinary Information Retrieval - 5th International Retrieval Facility Conference, IRFC 2012, Vienna, Austria, July 2-3, 2012 Proceedings
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PatMedia: Augmenting Patent Search with Content-Based Image Retrieval.
Stefanos Vrochidis|Anastasia Moumtzidou|Gerard Ypma|Ioannis Kompatsiaris
Multidisciplinary Information Retrieval - 5th International Retrieval Facility Conference, IRFC 2012, Vienna, Austria, July 2-3, 2012 Proceedings

2011

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An eye-tracking-based approach to facilitate interactive video search.
Stefanos Vrochidis|Ioannis Patras|Ioannis Kompatsiaris
Proceedings of the 1st International Conference on Multimedia Retrieval, ICMR 2011, Trento, Italy, April 18 - 20, 2011

2010

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Optimizing visual search with implicit user feedback in interactive video retrieval.
Stefanos Vrochidis|Ioannis Kompatsiaris|Ioannis Patras
Proceedings of the 9th ACM International Conference on Image and Video Retrieval, CIVR 2010, Xi'an, China, July 5-7, 2010

2009

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MKLab interactive video retrieval system.
Stefanos Vrochidis|Paul King|Lambros Makris|Anastasia Moumtzidou|Spiros Nikolopoulos|Anastasios Dimou|Vasileios Mezaris|Ioannis Kompatsiaris
Proceedings of the 8th ACM International Conference on Image and Video Retrieval, CIVR 2009, Santorini Island, Greece, July 8-10, 2009

2008

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MKLab interactive video retrieval system.
Stefanos Vrochidis|Paul King|Lambros Makris|Anastasia Moumtzidou|Vasileios Mezaris|Ioannis Kompatsiaris
Proceedings of the 7th ACM International Conference on Image and Video Retrieval, CIVR 2008, Niagara Falls, Canada, July 7-9, 2008

2007

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ITI interactive video retrieval system.
Stefanos Vrochidis|Vasileios Mezaris|Ioannis Kompatsiaris
Proceedings of the 6th ACM International Conference on Image and Video Retrieval, CIVR 2007, Amsterdam, The Netherlands, July 9-11, 2007