InterCONnected NEXt-Generation Immersive IoT Platform of Crime and Terrorism DetectiON, PredictiON, InvestigatiON, and PreventiON Services

Project Information

CONNEXIONs

Grant agreement ID: 786731

DOI 10.3030/786731

Project closed

EC signature date 23 April 2018

Start date 1 September 2018

End date 28 February 2022

Funded under

• Secure societies - Protecting freedom and security of Europe and its citizens

Total cost € 4 999 390,00

EU contribution € 4 999 390,00

Coordinated by

ETHNIKO KENTRO EREVNAS KAI TECHNOLOGIKIS ANAPTYXIS
Greece

Deliverables

Documents, reports (1)

Public Final Activity Report

D115 will contain i presentation of the Consortium and CONNEXIONs objectives ii summary of project results iii impact achieved

Publications

Conference proceedings (23)

Toxic, Hateful, Offensive or Abusive? What Are We Really Classifying? An Empirical Analysis of Hate Speech Datasets

Author(s): Fortuna, Paula; Soler-Company, Juan; Wanner, Leo
Published in: Proceedings of the 12th Language Resources and Evaluation Conference (LREC 2020), Issue 13/05/2020, 2020, Page(s) 6786--6794, ISBN 979-10-95546-34-4
Publisher: European Language Resources Association
DOI: 10.5281/zenodo.4529174

A Prescriptive Approach For Structured Information Extraction From Web Forums And Social Media

Author(s): Ethan Cumberland; Tony Day
Published in: Proceedings of the 2021 International Symposium on Computer Science and Intelligent Controls (ISCSIC 2021), Issue 12-14/11/2021, 2021, Page(s) 95-101, ISBN 978-1-6654-1627-6
Publisher: IEEE
DOI: 10.1109/iscsic54682.2021.00028

Unsupervised Domain Adaptation for Person Re-Identification with Few and Unlabeled Target Data

Author(s): George Galanakis, Xenophon Zabulis, Antonis A. Argyros
Published in: Proceedings of the 15th International Symposium on Advances in Visual Computing (ISVC 2020), Issue 5-7/10/2020, 2020, Page(s) 357–373, ISBN 978-3-030-64559-5
Publisher: Springer
DOI: 10.1007/978-3-030-64559-5_28

PyToBI: a toolkit for ToBI labeling under Python

Author(s): Mónica Domínguez Bajo; Patrick Louis Rohrer; Juan Soler-Company
Published in: Proceedings of the 20th Annual Conference of the International Speech Communication Association (INTERSPEECH 2019), Issue 15-19/09/2019, 2019, Page(s) 3675-3676
Publisher: ISCA - International Speech Communication Association
DOI: 10.5281/zenodo.4529156

The 2020 Bilingual, Bi-Directional WebNLG+ Shared Task: Overview and Evaluation Results (WebNLG+ 2020)

Author(s): Thiago Castro Ferreira, Claire Gardent, Nikolai Ilinykh, Chris van der Lee, Simon Mille, Diego Moussallem, Anastasia Shimorina
Published in: Proceedings of the 3rd International Workshop on Natural Language Generation from the Semantic Web (WebNLG+), Issue 18/12/2020, 2020, Page(s) 55–76
Publisher: ACL - Association for Computational Linguistics
DOI: 10.5281/zenodo.6552785

Random-Walk Graph Embeddings and the Influence of Edge Weighting Strategies in Community Detection Tasks

Author(s): Andreas Kosmatopoulos, Kostas Loumponias, Despoina Chatzakou,Theodora Tsikrika, Stefanos Vrochidis, Ioannis Kompatsiaris
Published in: Proceedings of the 2021 Workshop on Open Challenges in Online Social Networks, Issue 28/10/2021, 2021, Page(s) 9-13, ISBN 9781450386326
Publisher: ACM - Association for Computing Machinery
DOI: 10.1145/3472720.3483621

Assessing the Syntactic Capabilities of Transformer-based Multilingual Language Models

Author(s): Laura Pérez-Mayos, Alba Táboas García, Simon Mille, Leo Wanner
Published in: Findings of the Association for Computational Linguistics: ACL-IJCNLP 2021, Issue 01/08/2021, 2021, Page(s) 3799–3812, ISBN 978-1-954085-54-1
Publisher: ACL - Association for Computational Linguistics
DOI: 10.18653/v1/2021.findings-acl.333

ITI-CERTH participation in ActEV and AVS Tracks of TRECVID 2021

Author(s): Konstantinos Gkountakos; Damianos Galanopoulos; Despoina Touska; Konstantinos Ioannidis; Stefanos Vrochidis; Vasileios Mezaris; Ioannis Kompatsiaris
Published in: Proceedings of the 2021 TREC Video Retrieval Evaluation (TRECVID 2021), 2021
Publisher: NIST - National Institute of Standards and Technology
DOI: 10.5281/zenodo.5817708

Spatio-Temporal Activity Detection and Recognition in Untrimmed Surveillance Videos

Author(s): Konstantinos Gkountakos; Despoina Touska; Konstantinos Ioannidis; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris
Published in: Proceedings of the 2021 International Conference on Multimedia Retrieval (ICMR 2021), Issue 1/9/2021, 2021, Page(s) 451–455, ISBN 978-1-4503-8463-6
Publisher: ACM - Association for Computing Machinery
DOI: 10.1145/3460426.3463591

Crowd Violence Detection from Video Footage

Author(s): Konstantinos Gkountakos; Konstantinos Ioannidis; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris
Published in: Proceedings of the 2021 International Conference on Content-Based Multimedia Indexing (CBMI 2021), Issue 24/06/2021, 2021, Page(s) 1-4, ISBN 978-1-6654-4220-6
Publisher: IEEE
DOI: 10.1109/cbmi50038.2021.9461921

Concept Extraction Using Pointer–Generator Networks and Distant Supervision for Data Augmentation

Author(s): Shvets, Alexander; Wanner, Leo
Published in: Proceedings of the 22nd International Conference on Knowledge Engineering and Knowledge Management (EKAW 2020), Issue 27/10/2020, 2020, Page(s) 120–135, ISBN 978-3-030-61243-6
Publisher: Springer
DOI: 10.1007/978-3-030-61244-3_8

Novelty Detection for Person Re-identification in an Open World

Author(s): George Galanakis, Xenophon Zabulis, Antonis Argyros
Published in: Proceedings of the 14th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications, Issue 25/02/2019, 2019, Page(s) 401-411, ISBN 978-989-758-354-4
Publisher: SCITEPRESS - Science and Technology Publications
DOI: 10.5220/0007368304010411

A Crowd Analysis Framework for Detecting Violence Scenes

Author(s): Konstantinos Gkountakos; Konstantinos Ioannidis; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris
Published in: Proceedings of the 2020 ACM International Conference on Multimedia Retrieval (ICMR 2020), Issue 08/06/2020, 2020, Page(s) 276–280, ISBN 9781450370875
Publisher: ACM - Association for Computing Machinery
DOI: 10.1145/3372278.3390725

VERGE in VBS 2020

Author(s): Stelios Andreadis, Anastasia Moumtzidou, Konstantinos Apostolidis, Konstantinos Gkountakos, Damianos Galanopoulos, Emmanouil Michail, Ilias Gialampoukidis, Stefanos Vrochidis, Vasileios Mezaris, Ioannis Kompatsiaris
Published in: MultiMedia Modeling - 26th International Conference, MMM 2020, Daejeon, South Korea, January 5–8, 2020, Proceedings, Part II, Issue 11962, 2020, Page(s) 778-783, ISBN 978-3-030-37733-5
Publisher: Springer International Publishing
DOI: 10.1007/978-3-030-37734-2_69

User Identity Linkage in Social Media Using Linguistic and Social Interaction Features

Author(s): Despoina Chatzakou, Juan Soler-Company, Theodora Tsikrika, Leo Wanner, Stefanos Vrochidis, Ioannis Kompatsiaris
Published in: 12th ACM Conference on Web Science, 2020, Page(s) 295-304, ISBN 9781450379892
Publisher: ACM
DOI: 10.1145/3394231.3397920

Selective Word Substitution for Contextualized Data Augmentation

Author(s): Kyriaki Pantelidou, Despoina Chatzakou, Theodora Tsikrika, Sstefanos Vrochidis, Ioannis Kompatsiaris
Published in: Proceedings of the 27th International Conference on Natural Language & Information Systems (NLDB 2022), Issue 15-17/06/2022, 2022
Publisher: Springer International Publishing
DOI: 10.5281/zenodo.6531617

Semantic Web Technologies in Fighting Crime and Terrorism: The CONNEXIONs Approach

Author(s): Koufakis, Alexandros; Chatzakou, Despoina; Meditskos, Georgios; Tsikrika, Theodora; Vrochidis, Stefanos; Kompatsiaris, Ioannis
Published in: Proceedings of the Workshop on IOT Infrastructures for Safety in Pervasive Environments (IOT4SAFE 2020) co-located with 17th Extended Semantic Web Conference (ESWC 2020), Issue 02/06/2020, 2020, ISSN 1613-0073
Publisher: CEUR Workshop Proceedings
DOI: 10.5281/zenodo.3865864

ITI-CERTH participation in TRECVID 2020

Author(s): Gkountakos, Konstantinos; Galanopoulos, Damianos; Mpakratsas, Marios; Touska, Despoina; Moumtzidou, Anastasia; Ioannidis, Konstantinos; Gialampoukidis, Ilias; Vrochidis, Stefanos; Mezaris, Vasileios; Kompatsiaris, Ioannis
Published in: Proceedings of the 2020 TREC Video Retrieval Evaluation (TRECVID 2020), 2020
Publisher: NIST - National Institute of Standards and Technology
DOI: 10.5281/zenodo.4506490

A Case Study of NLG from Multimedia Data Sources: Generating Architectural Landmark Descriptions

Author(s): Mille, Simon; Wanner, Leo; Symeonidis, Spyridon; Rousi, Maria; Felipe, Montserrat Marimon; Stavrothanasopoul, Klearchos; Alvanitopoulos, Petros; Carlini, Roberto
Published in: Proceedings of the 3rd International Workshop on Natural Language Generation from the Semantic Web (WebNLG+), Issue 18/12/2020, 2020, Page(s) 2-14
Publisher: ACL - Association for Computational Linguistics
DOI: 10.5281/zenodo.4529236

The Third Multilingual Surface Realisation Shared Task (SR'20): Overview and Evaluation Results

Author(s): Mille, Simon; Belz, Anya; Bohnet, Bernd; Ferreira, Thiago Castro; Graham, Yvette; Wanner, Leo
Published in: Proceedings of the Third Workshop on Multilingual Surface Realisation, co-located with COLING, Issue 12/12/2020, 2020, Page(s) 1-20
Publisher: ACL - Association for Computational Linguistics
DOI: 10.5281/zenodo.4529317

ITI-CERTH participation in TRECVID 2019

Author(s): Konstantinos Gkountakos; Ioannidis, K.; Vrochidis, S.; Kompatsiaris, I.
Published in: Proceedings of the 2019 TREC Video Retrieval Evaluation (TRECVID 2019), 2019
Publisher: NIST - National Institute of Standards and Technology
DOI: 10.5281/zenodo.4452098

M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2021

Author(s): Alexandros-Michail Koufakis; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris
Published in: Proceedings of the Thirtieth Text REtrieval Conference (TREC 2021), 2021
Publisher: NIST - National Institute of Standards and Technology
DOI: 10.5281/zenodo.6467052

On the evolution of syntactic information encoded by BERT’s contextualized representations

Author(s): Laura Pérez-Mayos, Roberto Carlini, Miguel Ballesteros, Leo Wanner
Published in: Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics: Main Volume (EACL 2021), Issue 19-23/04/2021, 2021, Page(s) 2243–2258, ISBN 978-1-954085-02-2
Publisher: "ACL - ""Association for Computational Linguistics"
DOI: 10.18653/v1/2021.eacl-main.191

Book chapters (3)

To Scrape or Not to Scrape? The Lawfulness of Social Media Crawling under the GDPR

Author(s): Catherine Altobelli, Nikolaus Forgó, Emily Johnson & Antoni Napieralski
Published in: Deep Diving into Data Protection 1979-2019 Celebrating 40 Years of Privacy and Data Protection at the CRIDS, Issue 01/04/2021, 2021, Page(s) 151-180, ISBN 9782807926493
Publisher: Larcier
DOI: 10.5281/zenodo.6411788

Visual Recognition of Abnormal Activities in Video Streams

Author(s): Konstantinos Gkountakos, Konstantinos Ioannidis, Theodora Tsikrika, Stefanos Vrochidis & Ioannis Kompatsiaris
Published in: Technology Development for Security Practitioners, Part of the Security Informatics and Law Enforcement book series, Issue 25/06/2021, 2021, Page(s) 151–165, ISBN 978-3-030-69459-3
Publisher: Springer
DOI: 10.1007/978-3-030-69460-9_9

Query Reformulation Based on Word Embeddings: A Comparative Study

Author(s): Panos Panagiotou, George Kalpakis, Theodora Tsikrika, Stefanos Vrochidis & Ioannis Kompatsiaris
Published in: Technology Development for Security Practitioners, Part of the Security Informatics and Law Enforcement book series, Issue 25/06/2021, 2021, Page(s) 41–55, ISBN 978-3-030-69459-3
Publisher: Springer
DOI: 10.1007/978-3-030-69460-9_3

Peer reviewed articles (2)

Change Point Detection in Terrorism-Related Online Content Using Deep Learning Derived Indicators

Author(s): Ourania Theodosiadou; Kyriaki Pantelidou; Nikolaos Bastas; Despoina Chatzakou; Theodora Tsikrika; Stefanos Vrochidis; Ioannis Kompatsiaris
Published in: Information, 2021, ISSN 2078-2489
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/info12070274

A Study of 3D Digitisation Modalities for Crime Scene Investigation

Author(s): George Galanakis; Xenophon Zabulis; Theodore Evdaimon; Sven-Eric Fikenscher; Sebastian Allertseder; Theodora Tsikrika; Stefanos Vrochidis
Published in: Forensic Sciences, 2021, Page(s) 56-85, ISSN 2673-6756
Publisher: Multidisciplinary Digital Publishing Institute (MDPI)
DOI: 10.3390/forensicsci1020008