AI-Based Holistic Framework for Cyber Threat Intelligence Management.

Theodora Tsikrika https://orcid.org/0000-0003-4148-9028

Arnolnt Spyros Ilias Koritsas Angelos Papoutsis Panos Panagiotou Despoina Chatzakou Dimitrios Kavallieros Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris AI-Based Holistic Framework for Cyber Threat Intelligence Management. 20820-20846 2025 13 IEEE Access https://doi.org/10.1109/ACCESS.2025.3533084 db/journals/access/access13.html#SpyrosKPPCKTVK25 streams/journals/access

Ourania Theodosiadou Andreas Kosmatopoulos Christos Gkiourtzidis Taxiarchis Skouras Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Enhancing Change Point Detection Through Key Actor Identification: A Study in Cryptocurrency Transactions Networks. 84620-84634 2025 13 IEEE Access https://doi.org/10.1109/ACCESS.2025.3566624 db/journals/access/access13.html#TheodosiadouKGSTVK25 streams/journals/access

Polyzois Bountzis Dimitris Kavallieros Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris A deep one-class classifier for network anomaly detection using autoencoders and one-class support vector machines. 2025 7 Frontiers Comput. Sci. https://doi.org/10.3389/fcomp.2025.1646679 db/journals/fcomp/fcomp7.html#BountzisKTVK25 streams/journals/fcomp

Athanasios Dimitriadis Angelos Papoutsis Dimitrios Kavalieros Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris EVACTI: evaluating the actionability of cyber threat intelligence. 123 2025 June 24 Int. J. Inf. Sec. 3 https://doi.org/10.1007/s10207-025-01033-z db/journals/ijisec/ijisec24.html#DimitriadisPKTVK25 streams/journals/ijisec

Arnolnt Spyros Anna Kougioumtzidou Angelos Papoutsis Eleni Darra Dimitrios Kavallieros Athanasios Tziouvaras Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris A comprehensive survey of manual and dynamic approaches for cybersecurity taxonomy generation. 4785-4811 2025 June 67 Knowl. Inf. Syst. 6 https://doi.org/10.1007/s10115-025-02382-w db/journals/kais/kais67.html#SpyrosKPDKTTVK25 streams/journals/kais

Angelos Papoutsis Athanasios Dimitriadis Ilias Koritsas Dimitrios Kavallieros Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris RuleXploit: A Framework for Generating Suricata Rules from Exploits Using Generative AI. 267-274 2025 CSR https://doi.org/10.1109/CSR64739.2025.11130010 conf/csr2/2025 db/conf/csr2/csr2025.html#PapoutsisDKKTVK25 streams/conf/csr2 Angelos Papoutsis Athanasios Dimitriadis Dimitrios Kavallieros Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Georgios Meditskos CTI-GEN: A Framework for Generating STIX 2.1 Compliant CTI Using Generative AI. 334-341 2025 CSR https://doi.org/10.1109/CSR64739.2025.11130126 conf/csr2/2025 db/conf/csr2/csr2025.html#PapoutsisDKTVKM25 streams/conf/csr2 Nikolaos Mylonas Nikolaos Stylianou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris A Multi-Task Text Classification Pipeline with Natural Language Explanations for Greek Tweets. 2025 MDTT https://ceur-ws.org/Vol-3990/short15.pdf conf/mdtt/2025 db/conf/mdtt/mdtt2025.html#MylonasSTVK25 Andreas Kosmatopoulos Taxiarchis Skouras Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Efficient Multi-Criteria Important Node Identification via Ego-Network Approximation. 58-65 2025 SNAMS https://doi.org/10.1109/SNAMS67467.2025.11390900 conf/snams/2025 db/conf/snams/snams2025.html#KosmatopoulosST25

Georgios Koutidis Kostas Loumponias Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Towards AI-Driven Prediction of Terrorism Risk Based on the Analysis of Localized Web News. 167288-167299 2024 12 IEEE Access https://doi.org/10.1109/ACCESS.2024.3485913 db/journals/access/access12.html#KoutidisLTVK24 streams/journals/access

Aristeidis Bozas Stelios Andreadis Despoina Chatzakou Spyridon Symeonidis Ourania Theodosiadou Pantelis Kyriakidis Alexandros Kokkalas Evangelos A. Stathopoulos Sotiris Diplaris Theodora Tsikrika Ilias Gialampoukidis Stefanos Vrochidis Ioannis Kompatsiaris From Research to Applications: What Can We Extract with Social Media Sensing? 484 2024 June 5 SN Comput. Sci. 5 https://doi.org/10.1007/s42979-024-02712-9 db/journals/sncs/sncs5.html#BozasACSTKKSDTGVK24

Anna Kougioumtzidou Angelos Papoutsis Dimitrios Kavallieros Thanassis Mavropoulos Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris An End-to-End Framework for Cybersecurity Taxonomy and Ontology Generation and Updating. 247-254 2024 CSR https://doi.org/10.1109/CSR61664.2024.10679346 conf/csr2/2024 db/conf/csr2/csr2024.html#KougioumtzidouPKMTVK24 streams/conf/csr2 Apostolos Kasampalis Despoina Chatzakou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Bias Detection and Mitigation in Textual Data: A Study on Fake News and Hate Speech Detection. 374-383 2024 ECIR (3) https://doi.org/10.1007/978-3-031-56063-7_29 conf/ecir/2024-3 db/conf/ecir/ecir2024-3.html#KasampalisCTVK24 Nikolaos Stylianou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Cross-Domain Hate Speech Detection for Content Moderation in Greek Social Networks. 373-379 2024 WI/IAT https://doi.org/10.1109/WI-IAT62293.2024.00059 conf/webi/2024 db/conf/webi/webi2024.html#StylianouTVK24

Nikolaos Mylonas Nikolaos Stylianou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris A Multi-Task Text Classification Pipeline with Natural Language Explanations: A User-Centric Evaluation in Sentiment Analysis and Offensive Language Identification in Greek Tweets. 2024 abs/2410.10290 CoRR https://doi.org/10.48550/arXiv.2410.10290 db/journals/corr/corr2410.html#abs-2410-10290 streams/journals/corr

Mohammad Aliannejadi Avi Arampatzis Guglielmo Faggioli Nicola Ferro 0001 Anastasia Giachanou Evangelos Kanoulas Dan Li 0015 Theodora Tsikrika Michalis Vlachos Stefanos Vrochidis Report on the 14th Conference and Labs of the Evaluation Forum (CLEF 2023): Experimental IR Meets Multilinguality, Multimodality, and Interaction. 16:1-16:16 2023 December 57 SIGIR Forum 2 https://doi.org/10.1145/3642979.3642998 https://www.wikidata.org/entity/Q129644831 db/journals/sigir/sigir57.html#AliannejadiAFFGKLTVV23

Apostolos Konstantinou Despoina Chatzakou Ourania Theodosiadou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Trend Detection in Crime-Related Time Series with Change Point Detection Methods. 72-84 2023 CLEF https://doi.org/10.1007/978-3-031-42448-9_7 conf/clef/2023 db/conf/clef/clef2023.html#KonstantinouCTTVK23 Nikolaos Stylianou Despoina Chatzakou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Domain-Aligned Data Augmentation for Low-Resource and Imbalanced Text Classification. 172-187 2023 ECIR (2) https://doi.org/10.1007/978-3-031-28238-6_12 conf/ecir/2023-2 db/conf/ecir/ecir2023-2.html#StylianouCTVK23 Kostas Loumponias Sotiris Raptis Eleni Darra Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Forecasting Cyber-Attacks to Destination Ports Using Machine Learning. 757-764 2023 ICISSP https://doi.org/10.5220/0011891000003405 conf/icissp/2023 db/conf/icissp/icissp2023.html#LoumponiasRDTVK23 Despoina Touska Konstantinos Gkountakos Theodora Tsikrika Konstantinos Ioannidis Stefanos Vrochidis Ioannis Kompatsiaris Graph-Based Data Association in Multiple Object Tracking: A Survey. 386-398 2023 MMM (2) https://doi.org/10.1007/978-3-031-27818-1_32 conf/mmm/2023-2 db/conf/mmm/mmm2023-2.html#TouskaGTIVK23 Avi Arampatzis Evangelos Kanoulas Theodora Tsikrika Stefanos Vrochidis Anastasia Giachanou Dan Li 0015 Mohammad Aliannejadi Michalis Vlachos Guglielmo Faggioli Nicola Ferro 0001 Experimental IR Meets Multilinguality, Multimodality, and Interaction - 14th International Conference of the CLEF Association, CLEF 2023, Thessaloniki, Greece, September 18-21, 2023, Proceedings CLEF Springer 2023 Lecture Notes in Computer Science 14163 978-3-031-42447-2 978-3-031-42448-9 https://doi.org/10.1007/978-3-031-42448-9 db/conf/clef/clef2023.html

Despoina Chatzakou Juan Soler Company Theodora Tsikrika Leo Wanner Stefanos Vrochidis Ioannis Kompatsiaris User Identity Linkage in Social Media Using Linguistic and Social Interaction Features. 2023 abs/2308.11684 CoRR https://doi.org/10.48550/arXiv.2308.11684 db/journals/corr/corr2308.html#abs-2308-11684

Christos Iliou Theodoros Kostoulas Theodora Tsikrika Vasilios Katos Stefanos Vrochidis Ioannis Kompatsiaris Web Bot Detection Evasion Using Deep Reinforcement Learning. 15:1-15:10 2022 ARES https://doi.org/10.1145/3538969.3538994 conf/IEEEares/2022 db/conf/IEEEares/ares2022.html#IliouKTKVK22 Andreas Kosmatopoulos Kostas Loumponias Ourania Theodosiadou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Identification of Key Actor Nodes: A Centrality Measure Ranking Aggregation Approach. 125-128 2022 ASONAM https://doi.org/10.1109/ASONAM55673.2022.10068668 conf/asunam/2022 db/conf/asunam/asonam2022.html#KosmatopoulosLTTVK22 Angelos Papoutsis Christos Iliou Dimitris Kavallieros Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Host-based Cyber Attack Pattern Identification on Honeypot Logs Using Association Rule Learning. 50-55 2022 CSR https://doi.org/10.1109/CSR54599.2022.9850317 conf/csr2/2022 db/conf/csr2/csr2022.html#PapoutsisIKTVK22 M. Caballero Dimitris Kavallieros Arnolnt Spyros A. Tavernarakisv Athanasios Tziouvaras Stefano Bonacina K. Chandrarmouli M. Coroiu L. Chen T. Dounia Ioannis Giannoulakis N. Gligoric Emmanouil Kafetzakis T. Kasig Vaios Koumaras T. Krousarlis K. Lapidaki A. Markakis S. Marin Mark Manulis Sofia-Anna Menesidou Sokratis Nifakos L. Meng S. Mhiri M. Nati K. Ntafloukas D. Oniga Dimitrios Papamartzivanos Spyros Papastergiou K. Sanchez Christos Sakkas K. Stelliou L. Trujillo Theodora Tsikrika E. Venegas Stefanos Vrochidis D. Xydias ICT in Healthcare: the role of IoT and the SECANT solution. 104-111 2022 CSR https://doi.org/10.1109/CSR54599.2022.9850319 conf/csr2/2022 db/conf/csr2/csr2022.html#CaballeroKSTTBC22 Arnolnt Spyros Angelos Papoutsis Ilias Koritsas Notis Mengidis Christos Iliou Dimitris Kavallieros Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Towards Continuous Enrichment of Cyber Threat Intelligence: A Study on a Honeypot Dataset. 267-272 2022 CSR https://doi.org/10.1109/CSR54599.2022.9850295 conf/csr2/2022 db/conf/csr2/csr2022.html#SpyrosPKMIKTVK22 Notis Mengidis Maya Bozhilova Cyril Ceresola Consuelo Assunta Colabuono Michael Cooke Grégory Depaix Angel Genchev Georgi Koykov Wim Mees Matteo Merialdo Antonis Voulgaridis Theodora Tsikrika Konstantinos Votis Stefanos Vrochidis Leveraging Cyber Ranges for Prototyping, Certification and Training: The ECHO case. 299-304 2022 CSR https://doi.org/10.1109/CSR54599.2022.9850278 conf/csr2/2022 db/conf/csr2/csr2022.html#MengidisBCCCDGK22 Kostas Loumponias Andreas Kosmatopoulos Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Modified SkipGram Negative Sampling Model for Faster Convergence of Graph Embedding. 1-16 2022 DeLTA (Selected Papers) https://doi.org/10.1007/978-3-031-37317-6_1 conf/delta2/2022s db/conf/delta2/delta2022s.html#LoumponiasKTVK22a Kostas Loumponias Andreas Kosmatopoulos Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris A Faster Converging Negative Sampling for the Graph Embedding Process in Community Detection and Link Prediction Tasks. 86-93 2022 DeLTA conf/delta2/2022 https://doi.org/10.5220/0011142000003277 db/conf/delta2/delta2022.html#LoumponiasKTVK22 Pantelis Kyriakidis Despoina Chatzakou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Leveraging Transformer Self Attention Encoder for Crisis Event Detection in Short Texts. 163-171 2022 ECIR (2) https://doi.org/10.1007/978-3-030-99739-7_19 conf/ecir/2022-2 db/conf/ecir/ecir2022-2.html#KyriakidisCTVK22 Klearchos Stavrothanasopoulos Konstantinos Gkountakos Konstantinos Ioannidis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Vehicle Color Identification Framework using Pixel-level Color Estimation from Segmentation Masks of Car Parts. 1-7 2022 IPAS https://doi.org/10.1109/IPAS55744.2022.10052969 conf/ipas2/2022 db/conf/ipas2/ipas2022.html#StavrothanasopoulosGITVK22 Georgios Begkas Panagiotis Giannakeris Konstantinos Ioannidis Georgios Kalpakis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Automatic Visual Recognition of Unexploded Ordnances Using Supervised Deep Learning. 286-294 2022 ICMR https://doi.org/10.1145/3512527.3531383 conf/mir/2022 db/conf/mir/icmr2022.html#BegkasGIKTVK22 Kyriaki Pantelidou Despoina Chatzakou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Selective Word Substitution for Contextualized Data Augmentation. 508-516 2022 NLDB https://doi.org/10.1007/978-3-031-08473-7_47 conf/nldb/2022 db/conf/nldb/nldb2022.html#PantelidouCTVK22 Alexandros-Michail Koufakis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2022. 2022 TREC https://trec.nist.gov/pubs/trec31/papers/CERTH_ITI_M4D.D.pdf conf/trec/2022 db/conf/trec/trec2022.html#KoufakisTVK22

Christos Iliou Theodoros Kostoulas Theodora Tsikrika Vasilis Katos Stefanos Vrochidis Ioannis Kompatsiaris Detection of Advanced Web Bots by Combining Web Logs with Mouse Behavioural Biometrics. 24:1-24:26 2021 2 DTRAP 3 https://doi.org/10.1145/3447815 https://www.wikidata.org/entity/Q130836728 db/journals/dtrap/dtrap2.html#IliouKTKVK21

Ourania Theodosiadou Kyriaki Pantelidou Nikolaos Bastas Despoina Chatzakou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Change Point Detection in Terrorism-Related Online Content Using Deep Learning Derived Indicators. 274 2021 12 Inf. 7 https://doi.org/10.3390/info12070274 db/journals/information/information12.html#TheodosiadouPBC21

Konstantinos Gkountakos Konstantinos Ioannidis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Crowd Violence Detection from Video Footage. 1-4 2021 CBMI https://doi.org/10.1109/CBMI50038.2021.9461921 conf/cbmi/2021 db/conf/cbmi/cbmi2021.html#GkountakosITVK21 Christos Iliou Theodoros Kostoulas Theodora Tsikrika Vasilis Katos Stefanos Vrochidis Ioannis Kompatsiaris Web Bot Detection Evasion Using Generative Adversarial Networks. 115-120 2021 CSR https://doi.org/10.1109/CSR51186.2021.9527915 conf/csr2/2021 db/conf/csr2/csr2021.html#IliouKTKVK21 Pavlos Evangelatos Christos Iliou Thanassis Mavropoulos Konstantinos Apostolou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Named Entity Recognition in Cyber Threat Intelligence Using Transformer-based Models. 348-353 2021 CSR https://doi.org/10.1109/CSR51186.2021.9527981 conf/csr2/2021 db/conf/csr2/csr2021.html#EvangelatosIMAT21 Panos Panagiotou Christos Iliou Konstantinos Apostolou Theodora Tsikrika Stefanos Vrochidis Periklis Chatzimisios Ioannis Kompatsiaris Towards Selecting Informative Content for Cyber Threat Intelligence. 354-359 2021 CSR https://doi.org/10.1109/CSR51186.2021.9527909 conf/csr2/2021 db/conf/csr2/csr2021.html#PanagiotouIATVC21 Nikos Oikonomou Notis Mengidis Minas Spanopoulos-Karalexidis Antonis Voulgaridis Matteo Merialdo Ivo Raisr Kaarel Hanson Paloma de La Vallée Theodora Tsikrika Stefanos Vrochidis Konstantinos Votis ECHO Federated Cyber Range: Towards Next-Generation Scalable Cyber Ranges. 403-408 2021 CSR https://doi.org/10.1109/CSR51186.2021.9527985 conf/csr2/2021 db/conf/csr2/csr2021.html#OikonomouMSVMRH21 Eleni-Constantina Davri Eleni Darra Isidoros Monogioudis Athanasios Grigoriadis Christos Iliou Notis Mengidis Theodora Tsikrika Stefanos Vrochidis Adamantini Peratikou Helen Gibson Damir Haskovic Dimitrios Kavallieros Evangelos Chaskos Peng Zhao Stavros Shiaeles Nick Savage 0001 Babak Akhgar Xavier J. A. Bellekens Mohamed Amine Ben Farah Cyber Security Certification Programmes. 428-435 2021 CSR https://doi.org/10.1109/CSR51186.2021.9527974 conf/csr2/2021 db/conf/csr2/csr2021.html#DavriDMGIMTVPGH21 Andreas Kosmatopoulos Kostas Loumponias Despoina Chatzakou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Random-Walk Graph Embeddings and the Influence of Edge Weighting Strategies in Community Detection Tasks. 9-13 2021 OASIS@HT https://doi.org/10.1145/3472720.3483621 conf/ht/2021oasis db/conf/ht/oasis2021.html#KosmatopoulosLC21 Konstantinos Gkountakos Despoina Touska Konstantinos Ioannidis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Spatio-Temporal Activity Detection and Recognition in Untrimmed Surveillance Videos. 451-455 2021 ICMR https://doi.org/10.1145/3460426.3463591 conf/mir/2021 db/conf/mir/icmr2021.html#GkountakosTITVK21 Alexandros-Michail Koufakis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris M4D-MKLab/ITI-CERTH Participation in TREC Deep Learning Track 2021. 2021 TREC https://trec.nist.gov/pubs/trec30/papers/CERTH_ITI_M4D-DL.pdf conf/trec/2021 db/conf/trec/trec2021.html#KoufakisTVK21

Avi Arampatzis Linda Cappellato Carsten Eickhoff Nicola Ferro 0001 Hideo Joho Evangelos Kanoulas Christina Lioma Aurélie Névéol Theodora Tsikrika Stefanos Vrochidis Report on CLEF 2020. 11:1-11:10 2020 54 SIGIR Forum 2 https://doi.org/10.1145/3483382.3483396 db/journals/sigir/sigir54.html#ArampatzisCEFJK20

Alexandros Koufakis Despoina Chatzakou Georgios Meditskos Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Invited keynote on IOT4SAFE 2020: Semantic Web Technologies in Fighting Crime and Terrorism: The CONNEXIONs Approach. 2020 IOT4SAFE@ESWC https://ceur-ws.org/Vol-2686/invited.pdf conf/esws/2020iot4safe db/conf/esws/iot4safe2020.html#KoufakisCMTVK20 Konstantinos Gkountakos Konstantinos Ioannidis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris A Crowd Analysis Framework for Detecting Violence Scenes. 276-280 2020 ICMR https://doi.org/10.1145/3372278.3390725 conf/mir/2020 db/conf/mir/icmr2020.html#GkountakosITVK20 Aikaterini Katmada George Kalpakis Theodora Tsikrika Stelios Andreadis Stefanos Vrochidis Ioannis Kompatsiaris An Extensible Framework for Interactive Real-Time Visualizations of Large-Scale Heterogeneous Multimedia Information from Online Sources. 424-435 2020 MMM (2) https://doi.org/10.1007/978-3-030-37734-2_35 conf/mmm/2020-2 db/conf/mmm/mmm2020-2.html#KatmadaKTAVK20 Despoina Chatzakou Juan Soler Company Theodora Tsikrika Leo Wanner Stefanos Vrochidis Ioannis Kompatsiaris User Identity Linkage in Social Media Using Linguistic and Social Interaction Features. 295-304 2020 WebSci https://doi.org/10.1145/3394231.3397920 conf/websci/2020 db/conf/websci/websci2020.html#ChatzakouCTWVK20 Avi Arampatzis Evangelos Kanoulas Theodora Tsikrika Stefanos Vrochidis Hideo Joho Christina Lioma Carsten Eickhoff Aurélie Névéol Linda Cappellato Nicola Ferro 0001 Experimental IR Meets Multilinguality, Multimodality, and Interaction - 11th International Conference of the CLEF Association, CLEF 2020, Thessaloniki, Greece, September 22-25, 2020, Proceedings CLEF Springer 2020 Lecture Notes in Computer Science 12260 978-3-030-58218-0 978-3-030-58219-7 https://doi.org/10.1007/978-3-030-58219-7 db/conf/clef/clef2020.html Christos Iliou Theodoros Kostoulas Theodora Tsikrika Vasilis Katos Stefanos Vrochidis Yiannis Kompatsiaris Towards a framework for detecting advanced Web bots. 18:1-18:10 2019 ARES https://doi.org/10.1145/3339252.3339267 https://www.wikidata.org/entity/Q130866886 conf/IEEEares/2019 db/conf/IEEEares/ares2019.html#IliouKTKVK19 Eleni Kamateri Theodora Tsikrika Spyridon Symeonidis Stefanos Vrochidis Wolfgang Minker Yiannis Kompatsiaris A Test Collection for Passage Retrieval Evaluation of Spanish Health-Related Resources. 148-154 2019 ECIR (2) https://doi.org/10.1007/978-3-030-15719-7_19 conf/ecir/2019-2 db/conf/ecir/ecir2019-2.html#KamateriTSVMK19 Nikolaos Bastas George Kalpakis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris A comparative study of clustering methods using word embeddings. 54-61 2019 EISIC https://doi.org/10.1109/EISIC49498.2019.9108898 conf/eisic/2019 db/conf/eisic/eisic2019.html#BastasKTVK19 George Kalpakis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Identifying Terrorism-Related Key Actors in Multidimensional Social Networks. 93-105 2019 MMM (2) https://doi.org/10.1007/978-3-030-05716-9_8 conf/mmm/2019-2 db/conf/mmm/mmm2019-2.html#KalpakisTVK19 Panagiotis Mitzias Efstratios Kontopoulos James Staite Tony Day George Kalpakis Theodora Tsikrika Helen Gibson Stefanos Vrochidis Babak Akhgar Ioannis Kompatsiaris Deploying Semantic Web Technologies for Information Fusion of Terrorism-related Content and Threat Detection on the Web. 193-199 2019 WI (Companion) https://doi.org/10.1145/3358695.3360896 https://www.wikidata.org/entity/Q130904372 conf/webi/2019c db/conf/webi/webi2019c.html#MitziasKSDKTGVA19 Paul D. Clough Theodora Tsikrika Multi-Lingual Retrieval of Pictures in ImageCLEF. 217-230 2019 Information Retrieval Evaluation in a Changing World https://doi.org/10.1007/978-3-030-22948-1_9 books/sp/19/FP2019 db/books/collections/FP2019.html#CloughT19 Christos Iliou Theodora Tsikrika George Kalpakis Stefanos Vrochidis Ioannis Kompatsiaris Adaptive Focused Crawling Using Online Learning - A Study on Content Related to Islamic Extremism. 40-53 2018 INSCI https://doi.org/10.1007/978-3-030-01437-7_4 conf/insci/2018 db/conf/insci/insci2018.html#IliouTKVK18 Antonia Gogoglou Theodora Tsikrika Yannis Manolopoulos Network Analysis of the Science of Science: A Case Study in SOFSEM Conference. 94-108 2018 SOFSEM https://doi.org/10.1007/978-3-319-73117-9_7 conf/sofsem/2018 db/conf/sofsem/sofsem2018.html#GogoglouTM18 Theodora Tsikrika Aggregation-Based Structured Text Retrieval. 2018 Encyclopedia of Database Systems (2nd ed.) https://doi.org/10.1007/978-1-4614-8265-9_14 reference/db/2018 db/reference/db/a2.html#Tsikrika18

Christos Iliou George Kalpakis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Hybrid focused crawling on the Surface and the Dark Web. 11 2017 2017 EURASIP J. Inf. Secur. https://doi.org/10.1186/s13635-017-0064-5 https://www.wikidata.org/entity/Q59515511 db/journals/ejisec/ejisec2017.html#IliouKTVK17

Ilias Gialampoukidis Anastasia Moumtzidou Dimitris Liparas Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Multimedia retrieval based on non-linear graph-based fusion and partial least squares regression. 22383-22403 2017 76 Multim. Tools Appl. 21 https://doi.org/10.1007/s11042-017-4797-4 db/journals/mta/mta76.html#GialampoukidisM17

Stelios Andreadis Ilias Gialampoukidis George Kalpakis Theodora Tsikrika Symeon Papadopoulos Stefanos Vrochidis Ioannis Kompatsiaris A Monitoring Tool for Terrorism-Related Key-Players and Key-Communities in Social Media Networks. 166 2017 EISIC https://doi.org/10.1109/EISIC.2017.41 https://doi.ieeecomputersociety.org/10.1109/EISIC.2017.41 conf/eisic/2017 db/conf/eisic/eisic2017.html#AndreadisGKTPVK17 Theodora Tsikrika Spyridon Symeonidis Ilias Gialampoukidis Anna Satsiou Stefanos Vrochidis Ioannis Kompatsiaris A Hybrid Recommendation System Based on Density-Based Clustering. 49-57 2017 INSCI Workshops https://doi.org/10.1007/978-3-319-77547-0_5 conf/insci/2017w db/conf/insci/insci2017w.html#TsikrikaSGSVK17 Ilias Gialampoukidis George Kalpakis Theodora Tsikrika Symeon Papadopoulos Stefanos Vrochidis Ioannis Kompatsiaris Detection of Terrorism-related Twitter Communities using Centrality Scores. 21-25 2017 MFSec@ICMR https://doi.org/10.1145/3078897.3080534 conf/mir/2017mfsec db/conf/mir/mfsec2017.html#GialampoukidisK17 Theodora Tsikrika Babak Akhgar Vasilis Katos Stefanos Vrochidis Pete Burnap Matthew L. Williams 1st International Workshop on Search and Mining Terrorist Online Content & Advances in Data Science for Cyber Security and Risk on the Web. 823-824 2017 WSDM https://doi.org/10.1145/3018661.3022760 conf/wsdm/2017 db/conf/wsdm/wsdm2017.html#TsikrikaAKVBW17

Theodora Tsikrika Anastasia Moumtzidou Stefanos Vrochidis Ioannis Kompatsiaris Focussed crawling of environmental Web resources based on the combination of multimedia evidence. 1563-1587 2016 75 Multim. Tools Appl. 3 https://doi.org/10.1007/s11042-015-2624-3 db/journals/mta/mta75.html#TsikrikaMVK16

Christos Iliou George Kalpakis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Hybrid Focused Crawling for Homemade Explosives Discovery on Surface and Dark Web. 229-234 2016 ARES https://doi.org/10.1109/ARES.2016.66 https://doi.ieeecomputersociety.org/10.1109/ARES.2016.66 conf/IEEEares/2016 db/conf/IEEEares/ares2016.html#IliouKTVK16 Theodora Tsikrika Yannis Manolopoulos A Retrospective Study on the 20 Years of the ADBIS Conference. 1-15 2016 ADBIS (Short Papers and Workshops) https://doi.org/10.1007/978-3-319-44066-8_1 conf/adbis/2016w db/conf/adbis/adbis2016w.html#TsikrikaM16 Ilias Gialampoukidis George Kalpakis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Key Player Identification in Terrorism-Related Social Media Networks Using Centrality Measures. 112-115 2016 EISIC https://doi.org/10.1109/EISIC.2016.029 https://doi.ieeecomputersociety.org/10.1109/EISIC.2016.029 conf/eisic/2016 db/conf/eisic/eisic2016.html#GialampoukidisK16 George Kalpakis Theodora Tsikrika Christos Iliou Thodoris Mironidis Stefanos Vrochidis Jonathan Middleton Una Williamson Ioannis Kompatsiaris Interactive Discovery and Retrieval of Web Resources Containing Home Made Explosive Recipes. 221-233 2016 HCI (20) https://doi.org/10.1007/978-3-319-39381-0_20 conf/hci/2016-20 db/conf/hci/hci2016-20.html#KalpakisTIMVMWK16 Ilias Gialampoukidis Anastasia Moumtzidou Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Retrieval of Multimedia Objects by Fusing Multiple Modalities. 359-362 2016 ICMR https://doi.org/10.1145/2911996.2912068 https://www.wikidata.org/entity/Q130869960 conf/mir/2016 db/conf/mir/icmr2016.html#GialampoukidisM16 Ilias Gialampoukidis Theodora Tsikrika Stefanos Vrochidis Ioannis Kompatsiaris Community detection in complex networks based on DBSCAN* and a Martingale process. 1-6 2016 SMAP https://doi.org/10.1109/SMAP.2016.7753375 conf/smap/2016 db/conf/smap/smap2016.html#GialampoukidisT16

Theodora Tsikrika Symeon Papadopoulos Stefanos Vrochidis Yiannis Kompatsiaris 10th European Summer School in Information Retrieval (ESSIR 2015). 57-66 2015 49 SIGIR Forum 2 https://doi.org/10.1145/2888422.2888430 db/journals/sigir/sigir49.html#TsikrikaPVK15

Theodora Tsikrika George Kalpakis Stefanos Vrochidis Ioannis Kompatsiaris Iraklis Paraskakis Isaak Kavasidis Jonathan Middleton Una Williamson A Framework for the Discovery, Analysis, and Retrieval of Multimedia Homemade Explosives Information on the Web. 601-610 2015 ARES https://doi.org/10.1109/ARES.2015.86 https://doi.ieeecomputersociety.org/10.1109/ARES.2015.86 conf/IEEEares/2015 db/conf/IEEEares/ares2015.html#TsikrikaKVKPKMW15 George Kalpakis Theodora Tsikrika Fotini Markatopoulou Nikiforos Pittaras Stefanos Vrochidis Vasileios Mezaris Ioannis Patras Ioannis Kompatsiaris Concept Detection in Multimedia Web Resources About Home Made Explosives. 632-641 2015 ARES https://doi.org/10.1109/ARES.2015.85 https://doi.ieeecomputersociety.org/10.1109/ARES.2015.85 conf/IEEEares/2015 db/conf/IEEEares/ares2015.html#KalpakisTMPVMPK15 Theodora Tsikrika Antonis Latas Anastasia Moumtzidou Elisavet Chatzilari Stefanos Vrochidis Yiannis Kompatsiaris Discovery of Environmental Web Resources Based on the Combination of Multimedia Evidence. 27-32 2015 EMR@ICMR https://doi.org/10.1145/2764873.2764876 conf/mir/2015emr db/conf/mir/emr2015.html#TsikrikaLMCVK15 Theodora Tsikrika Katerina Andreadou Anastasia Moumtzidou Emmanouil Schinas Symeon Papadopoulos Stefanos Vrochidis Ioannis Kompatsiaris A Unified Model for Socially Interconnected Multimedia-Enriched Objects. 372-384 2015 MMM (1) https://doi.org/10.1007/978-3-319-14445-0_32 conf/mmm/2015-1 db/conf/mmm/mmm2015-1.html#TsikrikaAMSPVK15 Theodora Tsikrika Christos Diou Multi-evidence User Group Discovery in Professional Image Search. 693-699 2014 ECIR https://doi.org/10.1007/978-3-319-06028-6_78 conf/ecir/2014 db/conf/ecir/ecir2014.html#TsikrikaD14 Ioannis A. Sarafis Christos Diou Theodora Tsikrika Anastasios Delopoulos Weighted SVM from clickthrough data for image retrieval. 3013-3017 2014 ICIP https://doi.org/10.1109/ICIP.2014.7025609 conf/icip/2014 db/conf/icip/icip2014.html#SarafisDTD14 Marco Angelini Nicola Ferro 0001 Birger Larsen Henning Müller Giuseppe Santucci Gianmaria Silvello Theodora Tsikrika Measuring and Analyzing the Scholarly Impact of Experimental Evaluation Initiatives. 133-137 2014 IRCDL https://doi.org/10.1016/j.procs.2014.10.022 https://www.wikidata.org/entity/Q62651623 conf/ircdl/2014 db/conf/ircdl/ircdl2014.html#AngeliniFLMSST14 Theodora Tsikrika Anastasia Moumtzidou Stefanos Vrochidis Ioannis Kompatsiaris Focussed crawling of environmental web resources: A pilot study on the combination of multimedia evidence. 61-68 2014 EMR@ICMR https://ceur-ws.org/Vol-1222/paper9.pdf conf/mir/2014emr db/conf/mir/emr2014.html#TsikrikaMVK14

Donn Morrison Theodora Tsikrika Vera Hollink Arjen P. de Vries Eric Bruno Stéphane Marchand-Maillet Topic modelling of clickthrough data in image search. 493-515 2013 66 Multim. Tools Appl. 3 https://doi.org/10.1007/s11042-012-1038-8 db/journals/mta/mta66.html#MorrisonTHVBM13

Theodora Tsikrika Birger Larsen Henning Müller Stefan Endrullis Erhard Rahm The Scholarly Impact of CLEF (2000-2009). 1-12 2013 CLEF https://doi.org/10.1007/978-3-642-40802-1_1 https://www.wikidata.org/entity/Q62651686 conf/clef/2013 db/conf/clef/clef2013.html#TsikrikaLMER13

Theodora Tsikrika Jana Kludas Adrian Popescu 0001 Building Reliable and Reusable Test Collections for Image Retrieval: The Wikipedia Task at ImageCLEF. 24-33 2012 19 IEEE Multim. 3 https://doi.org/10.1109/MMUL.2012.17 http://doi.ieeecomputersociety.org/10.1109/MMUL.2012.17 https://www.wikidata.org/entity/Q111992976 db/journals/ieeemm/ieeemm19.html#TsikrikaKP12

Vera Hollink Theodora Tsikrika Arjen P. de Vries Semantic search log analysis: A method and a study on professional image search. 691-713 2011 62 J. Assoc. Inf. Sci. Technol. 4 https://doi.org/10.1002/asi.21484 db/journals/jasis/jasis62.html#HollinkTV11

Theodora Tsikrika Christos Diou Arjen P. de Vries Anastasios Delopoulos Reliability and effectiveness of clickthrough data for automatic image annotation. 27-52 2011 55 Multim. Tools Appl. 1 https://doi.org/10.1007/s11042-010-0584-1 db/journals/mta/mta55.html#TsikrikaDVD11

Jayashree Kalpathy-Cramer Henning Müller Steven Bedrick Ivan Eggel Alba Garcia Seco de Herrera Theodora Tsikrika Overview of the CLEF 2011 Medical Image Classification and Retrieval Tasks. 2011 CLEF (Notebook Papers/Labs/Workshop) https://ceur-ws.org/Vol-1177/CLEF2011wn-ImageCLEF-Kapalthy-CramerEt2011.pdf http://www.clef-initiative.eu/documents/71612/86377/CLEF2011wn-ImageCLEF-Kapalthy-CramerEt2011.pdf conf/clef/2011w db/conf/clef/clef2011w.html#Kalpathy-CramerMBEHT11 Theodora Tsikrika Alba Garcia Seco de Herrera Henning Müller Assessing the Scholarly Impact of ImageCLEF. 95-106 2011 CLEF https://doi.org/10.1007/978-3-642-23708-9_12 https://www.wikidata.org/entity/Q62651735 conf/clef/2011 db/conf/clef/clef2011.html#TsikrikaHM11 Theodora Tsikrika Adrian Popescu 0001 Jana Kludas Overview of the Wikipedia Image Retrieval Task at ImageCLEF 2011. 2011 CLEF (Notebook Papers/Labs/Workshop) https://ceur-ws.org/Vol-1177/CLEF2011wn-ImageCLEF-TsikrikaEt2011.pdf http://www.clef-initiative.eu/documents/71612/86377/CLEF2011wn-ImageCLEF-TsikrikaEt2011.pdf conf/clef/2011w db/conf/clef/clef2011w.html#TsikrikaPK11 Henning Rode Theodora Tsikrika Arjen P. de Vries Differences in Video Search Behavior between Novices and Archivists. 89-102 2010 Adaptive Multimedia Retrieval https://doi.org/10.1007/978-3-642-27169-4_7 conf/amr/2010 db/conf/amr/amr2010.html#RodeTV10 Adrian Popescu 0001 Theodora Tsikrika Jana Kludas Overview of the Wikipedia Retrieval Task at ImageCLEF 2010. 2010 CLEF (Notebook Papers/LABs/Workshops) https://ceur-ws.org/Vol-1176/CLEF2010wn-ImageCLEF-PopescuEt2010.pdf http://www.clef-initiative.eu/documents/71612/86374/CLEF2010wn-ImageCLEF-PopescuEt2010.pdf conf/clef/2010w db/conf/clef/clef2010w.html#PopescuTK10 Vera Hollink Theodora Tsikrika Arjen P. de Vries The semantics of query modification. 176-181 2010 RIAO https://dl.acm.org/doi/10.5555/1937055.1937101 conf/riao/2010 db/conf/riao/riao2010.html#HollinkTV10 Theodora Tsikrika Jana Kludas The Wikipedia Image Retrieval Task. 163-183 2010 ImageCLEF https://doi.org/10.1007/978-3-642-15181-1_9 books/daglib/0031898 db/books/collections/MCDC2010.html#TsikrikaK10 Carol Peters Barbara Caputo Julio Gonzalo 0001 Gareth J. F. Jones Jayashree Kalpathy-Cramer Henning Müller Theodora Tsikrika Multilingual Information Access Evaluation II. Multimedia Experiments - 10th Workshop of the Cross-Language Evaluation Forum, CLEF 2009, Corfu, Greece, September 30 - October 2, 2009, Revised Selected Papers 6242 2010 https://doi.org/10.1007/978-3-642-15751-6 978-3-642-15750-9 CLEF (2) Lecture Notes in Computer Science Springer db/conf/clef/clef2009-2.html Theodora Tsikrika Christos Diou Arjen P. de Vries Anastasios Delopoulos Image annotation using clickthrough data. 2009 CIVR https://doi.org/10.1145/1646396.1646415 conf/civr/2009 db/conf/civr/civr2009.html#TsikrikaDVD09 Theodora Tsikrika Jana Kludas Overview of the WikipediaMM Task at ImageCLEF 2009. 60-71 2009 CLEF (2) https://doi.org/10.1007/978-3-642-15751-6_7 https://www.wikidata.org/entity/Q66708606 conf/clef/2009-2 db/conf/clef/clef2009-2.html#TsikrikaK09 Theodora Tsikrika Jana Kludas Overview of the WikipediaMM Task at ImageCLEF 2009. 2009 CLEF (Working Notes) https://ceur-ws.org/Vol-1175/CLEF2009wn-ImageCLEF-TsikrikaEt2009a.pdf conf/clef/2009w db/conf/clef/clef2009w.html#TsikrikaK09a Theodora Tsikrika Arjen P. de Vries CWI at the Photo Retrieval Task of ImageCLEF 2009. 2009 CLEF (Working Notes) https://ceur-ws.org/Vol-1175/CLEF2009wn-ImageCLEF-TsikrikaEt2009b.pdf conf/clef/2009w db/conf/clef/clef2009w.html#TsikrikaV09 Christos Diou Nikos Dimitriou Panagiotis Panagiotopoulos 0002 Christos Papachristou Anastasios Delopoulos George Stephanopoulos Henning Rode Theodora Tsikrika Arjen P. de Vries Daniel Schneider 0003 Jochen Schwenninger Marie-Luce Viaud Agnès Saulnier Peter Altendorf Birgit Schröter Matthias Elser Angel Rego Alex Rodriguez Cristina Martínez Iñaki Etxaniz Gérard Dupont Bruno Grilhères Nicolas Martin Nozha Boujemaa Alexis Joly Raffi Enficiaud Anne Verroust Souheil Selmi Mondher Khadhraoui VITALAS at TRECVID-2009. 2009 TRECVID https://www-nlpir.nist.gov/projects/tvpubs/tv9.papers/vitalas.pdf conf/trecvid/2009 db/conf/trecvid/trecvid2009.html#DiouDPPDSRTVSSV09 Theodora Tsikrika Aggregation-Based Structured Text Retrieval. 63-71 2009 Encyclopedia of Database Systems https://doi.org/10.1007/978-0-387-39940-9_14 reference/db/2009 db/reference/db/a.html#Tsikrika09

Theodora Tsikrika Thijs Westerveld Multimedia retrieval at INEX 2007. 16-21 2008 42 SIGIR Forum 1 https://doi.org/10.1145/1394251.1394254 db/journals/sigir/sigir42.html#TsikrikaW08

Theodora Tsikrika Jana Kludas Overview of the WikipediaMM Task at ImageCLEF 2008. 539-550 2008 CLEF https://doi.org/10.1007/978-3-642-04447-2_66 https://www.wikidata.org/entity/Q66709238 conf/clef/2008 db/conf/clef/clef2008.html#TsikrikaK08 Theodora Tsikrika Jana Kludas Overview of the wikipediaMM task at ImageCLEF 2008. 2008 CLEF (Working Notes) https://ceur-ws.org/Vol-1174/CLEF2008wn-ImageCLEF-TsikrikaEt2008.pdf conf/clef/2008w db/conf/clef/clef2008w.html#TsikrikaK08a Theodora Tsikrika Henning Rode Arjen P. de Vries CWI at ImageCLEF 2008. 2008 CLEF (Working Notes) https://ceur-ws.org/Vol-1174/CLEF2008wn-ImageCLEF-TsikrikaEt2008b.pdf conf/clef/2008w db/conf/clef/clef2008w.html#TsikrikaRV08 Christos Diou Christos Papachristou Panagiotis Panagiotopoulos 0002 Anastasios Delopoulos George Stephanopoulos Nikos Dimitriou Henning Rode Arjen P. de Vries Theodora Tsikrika Robin Aly VITALAS at TRECVID-2008. 2008 TRECVID http://www-nlpir.nist.gov/projects/tvpubs/tv8.papers/vitalas.pdf conf/trecvid/2008 db/conf/trecvid/trecvid2008.html#DiouPPDSDRVTA08

Elham Ashoori Mounia Lalmas Theodora Tsikrika Examining topic shifts in content-oriented XML retrieval. 39-60 2007 8 Int. J. Digit. Libr. 1 https://doi.org/10.1007/s00799-007-0026-5 db/journals/jodl/jodl8.html#AshooriLT07

Theodora Tsikrika Mounia Lalmas Combining Evidence for Relevance Criteria: A Framework and Experiments in Web Retrieval. 481-493 2007 conf/ecir/2007 ECIR https://doi.org/10.1007/978-3-540-71496-5_43 db/conf/ecir/ecir2007.html#TsikrikaL07 Theodora Tsikrika Pavel Serdyukov Henning Rode Thijs Westerveld Robin Aly Djoerd Hiemstra Arjen P. de Vries Structured Document Retrieval, Multimedia Retrieval, and Entity Ranking Using PF/Tijah. 306-320 2007 INEX https://doi.org/10.1007/978-3-540-85902-4_27 https://www.wikidata.org/entity/Q66710883 conf/inex/2007 db/conf/inex/inex2007.html#TsikrikaSRWAHV07 Theodora Tsikrika Thijs Westerveld The INEX 2007 Multimedia Track. 440-453 2007 INEX https://doi.org/10.1007/978-3-540-85902-4_37 conf/inex/2007 db/conf/inex/inex2007.html#TsikrikaW07

Thomas Rölleke Theodora Tsikrika Gabriella Kazai A general matrix framework for modelling Information Retrieval. 4-30 2006 42 Inf. Process. Manag. 1 https://doi.org/10.1016/j.ipm.2004.11.006 db/journals/ipm/ipm42.html#RollekeTK06

Mounia Lalmas Stefan M. Rüger Theodora Tsikrika Alexei Yavlinsky Progress in Information Retrieval. 1-11 2006 conf/ecir/2006 ECIR https://doi.org/10.1007/11735106_1 db/conf/ecir/ecir2006.html#LalmasRTY06 Stamatina Betsi Mounia Lalmas Anastasios Tombros Theodora Tsikrika User expectations from XML element retrieval. 611-612 2006 conf/sigir/2006 SIGIR https://doi.org/10.1145/1148170.1148280 db/conf/sigir/sigir2006.html#BetsiLTT06 Mounia Lalmas Andy MacFarlane Stefan M. Rüger Anastasios Tombros Theodora Tsikrika Alexei Yavlinsky Advances in Information Retrieval, 28th European Conference on IR Research, ECIR 2006, London, UK, April 10-12, 2006, Proceedings 3936 2006 3-540-33347-9 ECIR Lecture Notes in Computer Science Springer https://doi.org/10.1007/11735106 https://www.wikidata.org/entity/Q57488046 db/conf/ecir/ecir2006.html Theodora Tsikrika Mounia Lalmas Modelling Good Entry Pages on the Web. 257-265 2005 conf/ismis/2005 ISMIS https://doi.org/10.1007/11425274_27 db/conf/ismis/ismis2005.html#TsikrikaL05

Theodora Tsikrika Mounia Lalmas Combining evidence for Web retrieval using the inference network model: an experimental study. 751-772 2004 40 Inf. Process. Manag. 5 https://doi.org/10.1016/j.ipm.2004.04.008 db/journals/ipm/ipm40.html#TsikrikaL04

Theodora Tsikrika Mounia Lalmas Combining Web Document Representations in a Bayesian Inference Network Model Using Link and Content-Based Evidence. 53-72 2002 conf/ecir/2002 ECIR https://doi.org/10.1007/3-540-45886-7_4 db/conf/ecir/ecir2002.html#TsikrikaL02 Theodora Tsikrika Mounia Lalmas Merging Techniques for Performing Data Fusion on the Web. 127-134 2001 conf/cikm/2001 CIKM db/conf/cikm/cikm2001.html#TsikrikaL01 https://doi.org/10.1145/502585.502608 Babak Akhgar Mohammad Aliannejadi Peter Altendorf Robin Aly Stelios Andreadis Katerina Andreadou Marco Angelini Konstantinos Apostolou Avi Arampatzis Elham Ashoori Nikolaos Bastas Steven Bedrick Georgios Begkas Xavier J. A. Bellekens Stamatina Betsi Stefano Bonacina Nozha Boujemaa Polyzois Bountzis Aristeidis Bozas Maya Bozhilova Eric Bruno Pete Burnap M. Caballero Linda Cappellato Barbara Caputo Cyril Ceresola K. Chandrarmouli Evangelos Chaskos Despoina Chatzakou Elisavet Chatzilari Periklis Chatzimisios L. Chen Paul D. Clough Consuelo Assunta Colabuono Juan Soler Company Michael Cooke M. Coroiu Eleni Darra Eleni-Constantina Davri Tony Day Anastasios Delopoulos Grégory Depaix Athanasios Dimitriadis Nikos Dimitriou Christos Diou Sotiris Diplaris T. Dounia Gérard Dupont Ivan Eggel Carsten Eickhoff Matthias Elser Stefan Endrullis Raffi Enficiaud Iñaki Etxaniz Pavlos Evangelatos Guglielmo Faggioli Mohamed Amine Ben Farah Nicola Ferro 0001 Angel Genchev Anastasia GiahanouAnastasia Giachanou Ilias Gialampoukidis Panagiotis Giannakeris Ioannis Giannoulakis Helen Gibson Christos Gkiourtzidis Konstantinos Gkountakos N. Gligoric Antonia Gogoglou Julio Gonzalo 0001 Athanasios Grigoriadis Bruno Grilhères Kaarel Hanson Damir Haskovic Alba Garcia Seco de Herrera Djoerd Hiemstra Vera Hollink Christos Iliou Konstantinos Ioannidis Hideo Joho Alexis Joly Gareth J. F. Jones Emmanouil Kafetzakis George KalpakisGeorgios Kalpakis Jayashree Kalpathy-Cramer Eleni Kamateri Evangelos Kanoulas Apostolos Kasampalis T. Kasig Aikaterini Katmada Vasilios KatosVasilis Katos Dimitrios Kavalieros Dimitris KavallierosDimitrios Kavallieros Isaak Kavasidis Gabriella Kazai Mondher Khadhraoui Jana Kludas Alexandros Kokkalas Ioannis KompatsiarisYiannis Kompatsiaris Apostolos Konstantinou Efstratios Kontopoulos Ilias Koritsas Andreas Kosmatopoulos Theodoros Kostoulas Alexandros KoufakisAlexandros-Michail Koufakis Anna Kougioumtzidou Vaios Koumaras Georgios Koutidis Georgi Koykov T. Krousarlis Pantelis Kyriakidis Mounia Lalmas-RoellekeMounia Lalmas K. Lapidaki Birger Larsen Antonis Latas Dan Li 0015 Christina Lioma Dimitris Liparas Kostas Loumponias Andrew MacFarlane 0001Andy MacFarlane Yannis Manolopoulos Mark Manulis Stéphane Marchand-Maillet S. Marin A. Markakis Fotini Markatopoulou Nicolas Martin Cristina Martínez Thanassis Mavropoulos Georgios Meditskos Wim Mees Sofia-Anna Menesidou L. Meng Notis Mengidis Matteo Merialdo Vasileios Mezaris S. Mhiri Jonathan Middleton Wolfgang Minker Thodoris Mironidis Panagiotis Mitzias Isidoros Monogioudis Donn Morrison Anastasia Moumtzidou Henning Müller Nikolaos Mylonas M. Nati Aurélie Névéol Sokratis Nifakos K. Ntafloukas Nikolaos OikonomouNikos Oikonomou D. Oniga Panagiotis Panagiotopoulos 0002 Panos Panagiotou Kyriaki Pantelidou Christos Papachristou Symeon Papadopoulos Dimitrios Papamartzivanos Spyridon PapastergiouSpyros Papastergiou Angelos Papoutsis Iraklis Paraskakis Ioannis Patras Adamantini Peratikou Carol Peters Nikiforos Pittaras Adrian Popescu 0001 Erhard Rahm Ivo Raisr Sotiris Raptis Angel Rego Henning Rode Alex Rodriguez Thomas RoellekeThomas Rölleke Stefan M. Rüger Christos Sakkas K. Sanchez Giuseppe Santucci Ioannis A. Sarafis Anna Satsiou Agnès Saulnier Nick Savage 0001 Emmanouil Schinas Daniel Schneider 0003 Birgit Schröter Jochen Schwenninger Souheil Selmi Pavel Serdyukov Stavros Shiaeles Gianmaria Silvello Taxiarchis Skouras Minas Spanopoulos-Karalexidis Arnolnt Spyros James Staite Evangelos A. Stathopoulos Klearchos Stavrothanasopoulos K. Stelliou George Stephanopoulos Nikolaos Stylianou Spyridon Symeonidis A. Tavernarakisv Ourania Theodosiadou Anastasios Tombros Despoina Touska L. Trujillo Athanasios Tziouvaras Paloma de La Vallée E. Venegas Anne Verroust-BlondetAnne Verroust Marie-Luce Viaud Michail VlachosMichalis Vlachos Konstantinos Votis Antonis Voulgaridis Arjen P. de Vries Stefanos Vrochidis Leo Wanner Thijs Westerveld Matthew L. Williams Una Williamson D. Xydias Alexei Yavlinsky Peng Zhao