| | Issue Date | Title | Author(s) | Journal |
| 1 | 4-Jul-2023 | Evaluating the use of Instagram images color histograms and hashtags sets for automatic image annotation | Giannoulakis, Stamatios ; Tsapatsoulis, Nicolas ; Djouvas, Constantinos | Frontiers in Big Data |
| 2 | 16-Jun-2022 | Instagram hashtags as image metadata for Automatic Image Annotation | Giannoulakis, Stamatios ; Tsapatsoulis, Nicolas | Academia Letters |
| 3 | Sep-2020 | Image annotation: the effects of content, lexicon and annotation method | Theodosiou, Zenonas ; Tsapatsoulis, Nicolas | International Journal of Multimedia Information Retrieval |
| 4 | Jun-2019 | Filtering Instagram Hashtags through crowdtagging and the HITS algorithm | Giannoulakis, Stamatios ; Tsapatsoulis, Nicolas | IEEE Transactions on Computational Social Systems |
| 5 | 22-Jan-2019 | Opinion mining from social media short texts: Does collective intelligence beat deep learning? | Tsapatsoulis, Nicolas ; Djouvas, Constantinos | Frontiers Robotics AI |
| 6 | Mar-2018 | Social relevance feedback based on multimedia content power | Ntalianis, Klimis S. ; Doulamis, Anastasios D. ; Tsapatsoulis, Nicolas ; Mastorakis, Ν. | IEEE Transactions on Computational Social Systems |
| 7 | 8-Sep-2017 | An integrated framework for evaluating the performance of age progression algorithms | Lanitis, Andreas ; Tsapatsoulis, Nicolas | International Journal of Biometrics |
| 28 | 1-Jul-2017 | Guest editorial | Lanitis, Andreas ; Tsapatsoulis, Nicolas | IET Biometrics |
| 29 | 1-Dec-2016 | Applying Hidden Markov Models to Voting Advice Applications | Agathokleous, Marilena ; Tsapatsoulis, Nicolas | EPJ Data Science |
| 30 | Dec-2016 | Mining online political opinion surveys for suspect entries: An interdisciplinary comparison | Djouvas, Constantinos ; Mendez, Fernando ; Tsapatsoulis, Nicolas | Journal of Innovation in Digital Ecosystems |
| 31 | Dec-2016 | Evaluating the descriptive power of Instagram hashtags | Giannoulakis, Stamatios ; Tsapatsoulis, Nicolas | Journal of Innovation in Digital Ecosystems |
| 32 | 1-Jun-2016 | Overview of research on facial ageing using the FG-NET ageing database | Panis, Gabriel ; Lanitis, Andreas ; Tsapatsoulis, Nicolas ; Cootes, Timothy F. | IET Biometrics |
| 33 | 11-Jun-2015 | On the design of social voting recommendation applications | Tsapatsoulis, Nicolas ; Agathokleous, Marilena ; Mendez, Fernando ; Djouvas, Constantinos | International Journal on Artificial Intelligence Tools |
| 34 | 18-Feb-2015 | Remote authentication via biometrics: a robust video-object steganographic mechanism over wireless networks | Tsapatsoulis, Nicolas ; Ntalianis, Klimis S. | IEEE Transactions on Emerging Topics in Computing |
| 35 | Jul-2014 | Social voting advice applications-definitions, challenges, datasets and evaluation | Tsapatsoulis, Nicolas ; Katakis, Ioannis ; Mendez, Fernando ; Triga, Vasiliki ; Djouvas, Constantinos | IEEE Transactions on Cybernetics |
| 36 | Mar-2014 | Automatic annotation of image databases based on implicit crowdsourcing, visual concept modeling and evolution | Tsapatsoulis, Nicolas ; Ntalianis, Klimis S. ; Doulamis, Anastasios D. ; Matsatsinis, Nikolaos F. | Multimedia Tools and Applications |
| 37 | 2013 | Attention-Based Health Monitoring | Tsapatsoulis, Nicolas ; Theodosiou, Zenonas | International Journal of Monitoring and Surveillance Technologies Research (IJMSTR) |
| 38 | 2012 | Investigating the Scalability of Algorithms, the Role of Similarity Metric and the List of Suggested Items Construction Scheme in Recommender Systems | Tsapatsoulis, Nicolas ; Georgiou, Olga | International Journal on Artificial Intelligence Tools |
| 39 | Nov-2011 | Quantitative evaluation of the effects of aging on biometric templates | Tsapatsoulis, Nicolas ; Lanitis, Andreas | IET computer vision |
| 40 | 2011 | Video-object oriented biometrics hiding for user authentication under error-prone transmissions | Ntalianis, Klimis S. ; Tsapatsoulis, Nicolas ; Drigas, Athanasios | Eurasip journal on information security |