Real-time Threat Assessment based on Hidden Markov Models
Theodosiadou, O.; Chatzakou, D.; Tsikrika, T.; Vrochidis, S.; Kompatsiaris, I. Real-time Threat Assessment based on Hidden Markov Models. Risk Analysis 2023
Selective Word Substitution for Contextualized Data Augmentation
K. Pantelidou, D. Chatzakou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. "Selective Word Substitution for Contextualized Data Augmentation". In Proc. of the 27th International Conference on Natural Language & Information Systems (NLDB), Valencia, Spain, 15-17 June 2022,(pp.508-516).
M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2021
A-Μ Koufakis, T. Tsikrika, S. Vrochidis, & I. Kompatsiaris, (2022, March 1). "M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2021". Text REtrieval Conference (TREC).
ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2021
K. Gkountakos, D. Galanopoulos, D. Touska, K. Ioannidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2021" Proc. TRECVID 2021 Workshop, Gaithersburg, MD, USA (Virtual), 2021.
Study of 3D Digitisation Modalities for Crime Scene Investigation
G. Galanakis,; X.Zabulis,; T.Evdaimon,;S.-E. Fikenscher,; S.Allertseder,; T.Tsikrika,; S. Vrochidis "A Study of 3D Digitisation Modalities for Crime Scene Investigation". Forensic. Sci. 2021, 1, 56–85.
Random-Walk Graph Embeddings and the Influence of Edge Weighting Strategies in Community Detection Tasks
A. Kosmatopoulos, K. Loumponias, D. Chatzakou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. 2021. "Random-Walk Graph Embeddings and the Influence of Edge Weighting Strategies in Community Detection Tasks". In Proceedings of the 2021 Workshop on Open Challenges in Online Social Networks (OASIS ’21), August 30, 2021, Virtual Event, Ireland. ACM, New York, NY, USA.
Change Point Detection in Terrorism-related Online Content Using Deep Learning derived Indicators
O. Theodosiadou, K. Pantelidou, N. Bastas, D. Chatzakou, T. Tsikrika, S. Vrochidis, I. Kompatsiaris, "Change Point Detection in Terrorism-Related Online Content Using Deep Learning Derived Indicators". Information 2021, 12, 274.
Spatio-temporal activity detection and recognition in untrimmed surveillance videos
Κ. Gkountakos, D.Touska, K. Ioannidis, T. Tsikrika, S. Vrochidis, & I. Kompatsiaris (2021, August). "Spatio-temporal activity detection and recognition in untrimmed surveillance videos". In Proceedings of the 2021 International Conference on Multimedia Retrieval.
Crowd Violence Detection from Video Footage
K. Gkountakos, K. Ioannidis, T.Tsikrika, S. Vrochidis, & Ι. Kompatsiaris (2021, June). "Crowd Violence Detection from Video Footage". In 2021 International Conference on Content-Based Multimedia Indexing (CBMI). IEEE.
ITI-CERTH participation in TRECVID 2019
K. Gkountakos, K. Ioannidis, S. Vrochidis, I. Kompatsiaris, "ITI-CERTH participation in TRECVID 2019", Proc. TRECVID 2019 Workshop, Gaithersburg, MD, USA, Nov. 2019.
ITI-CERTH participation in TRECVID 2020
K. Gkountakos, D. Galanopoulos, M. Mpakratsas, D. Touska, A. Moumtzidou, K. Ioannidis, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "ITI-CERTH participation in TRECVID 2020", Proc. TRECVID 2020 Workshop, Gaithersburg, MD, USA, Dec. 2020.
Visual Recognition of Abnormal Activities in Video Streams
K. Gkountakos, K. Ioannidis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. "Visual Recognition of Abnormal Activities in Video Streams". Technology Advances and Support for Security Practitioners of the Security Informatics and Law Enforcement book series.
Query reformulation based on word embeddings: A comparative study
P. Panagiotou, G. Kalpakis, T. Tsikrika, S. Vrochidis, I. Kompatsiaris. "Query reformulation based on word embeddings: A comparative study". Technology Advances and Support for Security Practitioners of the Security Informatics and Law Enforcement book series.
VERGE in VBS 2020
S. Andreadis, A. Moumtzidou, K. Apostolidis, K. Gkountakos, D. Galanopoulos, E. Michail, I. Gialampoukidis, S. Vrochidis, V. Mezaris, I. Kompatsiaris, "VERGE in VBS 2020", Proc. 26th Int. Conf. on Multimedia Modeling (MMM 2020), Daejeon Convention Center (DCC), Korea 5-8 January 2020.
A Crowd Analysis Framework for Detecting Violence Scenes
K.Gkountakos, K.Ioannidis, T.Tsikrika, S.Vrochidis, I.Kompatsiaris,"A Crowd Analysis Framework for Detecting Violence Scenes", In Proceedings of the 2020 International Conference on Multimedia Retrieval (ICMR 2020), Dublin, Ireland, 8-11 June 2020.
User Identity Linkage in Social Media Using Linguistic and Social Interaction Features
D. Chatzakou, J. Soler-Company, T. Tsikrika, L. Wanner, S. Vrochidis, I. Kompatsiaris, "User Identity Linkage in Social Media Using Linguistic and Social Interaction Features", In Proceedings of the 2020 ACM on Web Science Conference, (WEBSCI 2020), 6-10 July 2020.
Semantic Web Technologies in Fighting Crime and Terrorism: The CONNEXIONs Approach
A.Koufakis, D.Chatzakou, G.Meditskos, T.Tsikrika, S.Vrochidis, I.Kompatsiaris, "Semantic Web Technologies in Fighting Crime and Terrorism: The CONNEXIONs Approach", Invited talk in 1st International Workshop on IoT infrastructures for safety in pervasive environments (IoT4SAFE), 2 June, 2020.
A Case Study of NLG from Multimedia Data Sources: Generating Architectural Landmark Descriptions
S. Mille, S. Symeonidis, M. Rousi, M. Marimon Felipe, K. Stavrothanasopoulos, P. Alvanitopoulos, R. Carlini Salguero, J. Grivolla, G. Meditskos, S. Vrochidis and L. Wanner, "A Case Study of NLG from Multimedia Data Sources: Generating Architectural Landmark Descriptions", in WebNLG+: 3rd Workshop on Natural Language Generation from the Semantic Web, (INLG 2020), 15-18 December 2020.