Publications

Export 284 results:
Author Title Type [ Year(Asc)]
Filters: Author is Vassilakis, Costas  [Clear All Filters]
2026
Koryzis D, Spiliotopoulos D, Margaris D, Vassilakis C, Fitsilis F.  2026.  The Evolution of the Digital Parliament: Enabling Technologies, Research Gaps, and Future Directions. Information. 17:633.
Roumeliotis KI, Margaris D, Spiliotopoulos D, Vassilakis C.  2026.  Large Language Models as Explainable AI Ensemble Aggregators for Business Review Sentiment Analysis: A Comparative Study with Classical Ensembles. Applied Sciences. 16:6479.
Roumeliotis KI, Margaris D, Spiliotopoulos D, Vassilakis C.  2026.  A Large-Scale Empirical Study of LLM Orchestration and Ensemble Strategies for Sentiment Analysis in Recommender Systems. Future Internet. 18:112.
Singh M, Roumeliotis KI, Vassilakis C, Margaris D, Mpardis G, Spiliotopoulos D.  2026.  A Multimodal Pipeline for Personalized Recommendations from Greek YouTube Content: Integrating Automatic Speech Recognition and Aspect-Based Sentiment Analysis. Proceedings of the 2026 International Conference on Information, Intelligence, Systems and Applications.
Lapadaki S-A, Nanos J, Margaris D, Vassilakis C, Spiliotopoulos D.  2026.  Optimizing Collaborative Filtering for Accurate Rating Predictions in Very Sparse Datasets. Future Internet. 18:114.
Nanos J, Margaris D, Mpardis G, Roumeliotis KI, Vassilakis C, Spiliotopoulos D.  2026.  Unveiling Structural Distributional Bias in Collaborative Filtering for Ultra-Sparse Datasets. Proceedings of the 2026 International Conference on Information, Intelligence, Systems and Applications.
2025
Assimakopoulos F, Vassilakis C, Margaris D, Kotis K, Spiliotopoulos D.  2025.  AI and Related Technologies in the Fields of Smart Agriculture: A Review. Information. 16:100.
Papachristou I, Dimitroulakos G, Vassilakis C.  2025.  Automated Test Generation and Marking Using LLMs. Electronics. 14:2835.
Stathoulis JD, Bakalis VI, Vassilakis C.  2025.  Brain Computer Interfaces: A literature review. Hellenic Journal of Nursing. TBD
Philippopoulos PI, Koutrakis KN, Tsafaras ED, Papadopoulou EG, Sigalas D, Tselikas ND, Ougiaroglou S, Vassilakis C.  2025.  Cost-Efficient RSSI-Based Indoor Proximity Positioning, for Large/Complex Museum Exhibition Spaces. Sensors. 25:2713.
Ntalouka E, Kyriaki-Manesis D, Choulis K, Vassilakis C.  2025.  Decorated papers in bookbinding: A proposal for the creation of metadata for its documentation.. Journal of Integrated Information Management. 10
Sgardelis K, Margaris D, Spiliotopoulos D, Vassilakis C.  2025.  An evaluation review of user similarity metrics in sparse collaborative filtering datasets. International Journal of Data Science and Analytics.
Sgardelis K, Margaris D, Spiliotopoulos D, Vassilakis C.  2025.  Experimental results for Evaluating User Similarity Metrics in Sparse Collaborative Filtering Datasets (version 2).
Doumanas D, Soularidis A, Spiliotopoulos D, Vassilakis C, Kotis K.  2025.  Fine-Tuning Large Language Models for Ontology Engineering: A Comparative Analysis of GPT-4 and Mistral. Applied Sciences. 15:2146.
Margaris D, Vassilakis C, Spiliotopoulos D.  2025.  From Rating Predictions to Reliable Recommendations in Collaborative Filtering: The Concept of Recommendation Reliability Classes. Big Data and Cognitive Computing. 9:106.
Sotiropoulos P, Vassilakis C.  2025.  A generalized, rule-based method for the detection of intermittent faults in software programs. Journal of Systems and Software. 219:112228.
Deligiannis K, Tryfonopoulos C, Raftopoulou P, Vassilakis C, Kaffes V, Skiadopoulos S.  2025.  A Machine Learning Framework for Harvesting and Harmonizing Cultural and Touristic Data. Information. 16:1038.
Kopanias L, Sotiropoulos P, Kolokotronis N, Vassilakis C.  2025.  MiniLib: A flow analysis–based approach for attack surface reduction through software debloating. Proceedings of the 2025 IEEE International Conference on Cyber Security and Resilience.
Reklitis DP, Terzi MC, Sakas DP, Vassilakis C.  2025.  Optimising sustainable digital branding through big data: an analysis of the real estate sector across six continents. International Journal of Internet Marketing and Advertising. To appear
Stathoulis JD, Bakalis VI, Vassilakis C.  2025.  Security Issues in Brain – Computer Interfaces (BCI). Hellenic Journal of Nursing. TBD
Doumanas D, Ntalouka E, Vassilakis C, Wallace M, Kotis K.  2025.  Stitching History into Semantics: LLM-Supported Knowledge Graph Engineering for 19th-Century Greek Bookbinding. Machine Learning and Knowledge Extraction. 7:59.
Margaris D, Spiliotopoulos D, Sgardelis K, Vassilakis C.  2025.  Using Prediction Confidence Factors to Enhance Collaborative Filtering Recommendation Quality. Technologies. 13:181.
Antoniou A, Vassilakis C, Kantianis G, Sylaiou S, Kolokithas G.  2025.  Virtual Cultural Experiences for the Elderly: Formative Studies and First Findings Regarding Cultural Content. Applied Sciences. 15:1820.