Publications
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2020. A Fine-grained Social Network Recommender System. Social Network Analysis and Mining. 10(8)
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2025. Fine-Tuning Large Language Models for Ontology Engineering: A Comparative Analysis of GPT-4 and Mistral. Applied Sciences. 15:2146.
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2005. A flexible framework for managing temporal clinical trial data. International Journal of Electronic Healthcare. 1:453-463.
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2018. FML-kNN: scalable machine learning on Big Data using \emphk-nearest neighbor joins. J. Big Data. 5:4.
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2017. Formalization and visualization of the narrative for museum guides. Proceedings of the third International KEYSTONE Conference (IKC2017).
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2009. A framework for adaptation in secure web services. Proceedings of MCIS 2009.
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2003. A framework for managing the lifecycle of transactional e-government services. Telematics and Informatics. 20:315-329.
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2025. From Rating Predictions to Reliable Recommendations in Collaborative Filtering: The Concept of Recommendation Reliability Classes. Big Data and Cognitive Computing. 9:106.
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2020. From Smart Cities to Smart Rural Country: challenges and sustainability. Extended abstract Presentation in the 15th National and International Conderence of the Hellenic Society for Systemic Studies.
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2010. From the web of data to a world of action. Journal of Web Semantics. 8 issue 4:394-408.
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2013. Full-text Support for Publish/Subscribe Ontology Systems. CoRR. abs/1307.2015
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2016. Full-Text Support for Publish/Subscribe Ontology Systems. The Semantic Web. Latest Advances and New Domains - 13th International Conference, ESWC 2016, Heraklion, Crete, Greece, May 29 - June 2, 2016, Proceedings. :233–249.
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2012. Full-text Support for Publish/Subscribe Ontology Systems. Proceedings of the Extended Semantic Web Conference (ESWC).
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2000. Function oriented history representation in databases. Computers and Artificial Intelligence. 19:417-444.
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2008. A game-engine based virtual museum authoring and presentation system. Proceedings - 3rd International Conference on Digital Interactive Media in Entertainment and Arts, DIMEA 2008. :451-457.
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2025. A generalized, rule-based method for the detection of intermittent faults in software programs. Journal of Systems and Software. 219:112228.
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2005. A generic and customizable framework for the design of ETL scenarios. Inf. Syst.. 30:492–525.
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2014. GRAMI: Frequent Subgraph and Pattern Mining in a Single Large Graph. PVLDB. 7:517–528.
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2005. Graph-Based Modeling of ETL Activities with Multi-level Transformations and Updates. Data Warehousing and Knowledge Discovery, 7th International Conference, DaWaK 2005, Copenhagen, Denmark, August 22-26, 2005, Proceedings. :43–52.
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2019. Handling uncertainty in social media textual information for improving venue recommendation formulation quality in social networks. Social Network Analysis and Mining. 9:64.
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2009. A heuristics-based approach to reverse engineering of electronic services. Information and Software Technology. 51:325-336.
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2007. Historical Archive Ontologies Requirements, Modeling and Visualization. RCIS. :401-406.
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2010. Historical research in archives: user methodology and supporting tools. International Journal on Digital Libraries. 11(1):25–36.
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2020. Human behaviour in multimodal interaction: main effects of civic action and interpersonal and problem-solving skills. Journal of Ambient Intelligence and Humanized Computing. TBD:TBD.