| OSINT and the Dark Web G Kalpakis, T Tsikrika, N Cunningham, C Iliou, S Vrochidis, J Middleton, ... Open source intelligence investigation: From strategy to implementation, 111-132, 2016 | 39 | 2016 |
| An enhanced cyber attack attribution framework N Pitropakis, E Panaousis, A Giannakoulias, G Kalpakis, RD Rodriguez, ... Trust, Privacy and Security in Digital Business: 15th International …, 2018 | 37 | 2018 |
| Hybrid focused crawling for homemade explosives discovery on surface and dark web C Iliou, G Kalpakis, T Tsikrika, S Vrochidis, I Kompatsiaris 2016 11th International Conference on Availability, Reliability and Security …, 2016 | 36 | 2016 |
| Detection of terrorism-related twitter communities using centrality scores I Gialampoukidis, G Kalpakis, T Tsikrika, S Papadopoulos, S Vrochidis, ... Proceedings of the 2nd international workshop on multimedia forensics and …, 2017 | 35 | 2017 |
| Key player identification in terrorism-related social media networks using centrality measures I Gialampoukidis, G Kalpakis, T Tsikrika, S Vrochidis, I Kompatsiaris 2016 European Intelligence and Security Informatics Conference (EISIC), 112-115, 2016 | 32 | 2016 |
| Hybrid focused crawling on the Surface and the Dark Web C Iliou, G Kalpakis, T Tsikrika, S Vrochidis, I Kompatsiaris EURASIP Journal on Information Security 2017, 1-13, 2017 | 27 | 2017 |
| Interactive discovery and retrieval of web resources containing home made explosive recipes G Kalpakis, T Tsikrika, C Iliou, T Mironidis, S Vrochidis, J Middleton, ... Human Aspects of Information Security, Privacy, and Trust: 4th International …, 2016 | 12 | 2016 |
| Deploying semantic Web technologies for information fusion of terrorism-related content and threat detection on the Web P Mitzias, E Kontopoulos, J Staite, T Day, G Kalpakis, T Tsikrika, H Gibson, ... IEEE/WIC/ACM International Conference on Web Intelligence-Companion Volume …, 2019 | 8 | 2019 |
| Analysis of suspended terrorism-related content on social media G Kalpakis, T Tsikrika, I Gialampoukidis, S Papadopoulos, S Vrochidis, ... Community-oriented policing and technological innovations, 107-118, 2018 | 8 | 2018 |
| Identifying terrorism-related key actors in multidimensional social networks G Kalpakis, T Tsikrika, S Vrochidis, I Kompatsiaris MultiMedia Modeling: 25th International Conference, MMM 2019, Thessaloniki …, 2019 | 5 | 2019 |
| A framework for the discovery, analysis, and retrieval of multimedia homemade explosives information on the Web T Tsikrika, G Kalpakis, S Vrochidis, I Kompatsiaris, I Paraskakis, ... 2015 10th International Conference on Availability, Reliability and Security …, 2015 | 5 | 2015 |
| Query reformulation based on word embeddings: A comparative study P Panagiotou, G Kalpakis, T Tsikrika, S Vrochidis, I Kompatsiaris Technology Development for Security Practitioners, 41-55, 2021 | 4 | 2021 |
| A comparative study of clustering methods using word embeddings N Bastas, G Kalpakis, T Tsikrika, S Vrochidis, I Kompatsiaris 2019 European Intelligence and Security Informatics Conference (EISIC), 54-61, 2019 | 4 | 2019 |
| A monitoring tool for terrorism-related key-players and key-communities in social media networks S Andreadis, I Gialampoukidis, G Kalpakis, T Tsikrika, S Papadopoulos, ... 2017 European Intelligence and Security Informatics Conference (EISIC), 166-166, 2017 | 4 | 2017 |
| Concept Detection in Multimedia Web Resources About Home Made Explosives G Kalpakis, T Tsikrika, F Markatopoulou, N Pittaras, S Vrochidis, ... 2015 10th International Conference on Availability, Reliability and Security …, 2015 | 4 | 2015 |
| Adaptive Focused Crawling Using Online Learning: A Study on Content Related to Islamic Extremism C Iliou, T Tsikrika, G Kalpakis, S Vrochidis, I Kompatsiaris Internet Science: 5th International Conference, INSCI 2018, St. Petersburg …, 2018 | 3 | 2018 |
| Automatic Visual Recognition of Unexploded Ordnances Using Supervised Deep Learning G Begkas, P Giannakeris, K Ioannidis, G Kalpakis, T Tsikrika, S Vrochidis, ... Proceedings of the 2022 International Conference on Multimedia Retrieval …, 2022 | 1 | 2022 |
| An Extensible Framework for Interactive Real-Time Visualizations of Large-Scale Heterogeneous Multimedia Information from Online Sources A Katmada, G Kalpakis, T Tsikrika, S Andreadis, S Vrochidis, ... MultiMedia Modeling: 26th International Conference, MMM 2020, Daejeon, South …, 2020 | 1 | 2020 |
| AI-Based Framework for Supporting Micro and Small Hosting Service Providers on the Report and Removal of Online Terrorist Content G Kalpakis, C Paternoster, M Mancuso, D Kozhuharova, T Spathi, ... Paradigms on Technology Development for Security Practitioners, 249-261, 2024 | | 2024 |
| Online Child Grooming Detection: Challenges and Future Directions N Mylonas, N Stylianou, D Chatzakou, T Spathi, S Alevizos, A Drandaki, ... Paradigms on Technology Development for Security Practitioners, 237, 2024 | | 2024 |
