Publications
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2017. Experiences from the development of thematic itineraries in three Greek museums (Greek title: Εμπειρίες από την ανάπτυξη θεματικών διαδρομών σε τρία Ελληνικά μουσεία). Proceedings of the 2nd PanHellenic conference on Cultural Heritage (Euromed 2017).
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2024. Experimental results for Evaluating User Similarity Metrics in Sparse Collaborative Filtering Datasets. SODA Lab Technical Reports.
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2008. Exploiting Correlated Keywords to Improve Approximate Information Filtering. Proceedings of the 31st Annual International ACM SIGIR Conference.
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2005. Exploiting form semantics and validation checks to improve e-form layout. International Journal of Web Engineering and Technology. 2:81-96.
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2017. Exploiting Internet of Things information to enhance venues' recommendation accuracy. Service Oriented Computing and Applications. todb:393–409.
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2018. Exploiting Rating Abstention Intervals for Addressing Concept Drift in Social Network Recommender Systems. Informatics. 5:21pages.
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2020. Exploring Self-organisation in Crowd Teams. Proceedings of the Crowd-Powered e-Services (CROPS) Workshop in the context of the 19th IFIP Conference on e-Business, e-Services and e-Society (I3E 2019).
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2003. Facilitating VR Museums Web Presence. Proceedings of HCI 2003. :1143–1147.
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2005. Fair Resource Allocation in a Simple Multi-Agent Setting: Search Algorithms and Experimental Evaluation. International Journal on Artificial Intelligence Tools (IJAIT). 14:887–899.
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2007. A Family of Directional Relation Models for Extended Objects. IEEE Trans. Knowl. Data Eng.. 19:1116–1130.
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2018. Finding shortest keyword covering routes in road networks. Proceedings of the 30th International Conference on Scientific and Statistical Database Management, SSDBM 2018, Bozen-Bolzano, Italy, July 09-11, 2018. :12:1–12:12.
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2020. A Fine-grained Social Network Recommender System. Social Network Analysis and Mining. 10(8)
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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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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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2012. Full-text Support for Publish/Subscribe Ontology Systems. Proceedings of the Extended Semantic Web Conference (ESWC).
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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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2013. Full-text Support for Publish/Subscribe Ontology Systems. CoRR. abs/1307.2015
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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.