Publications
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2010. A Reasoning System of Ternary Projective Relations. IEEE Trans. Knowl. Data Eng.. 22:161–178.
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2004. Real exhibitions in a virtual museum. Virtual Reality. 7:120–128.
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2023. Rating Prediction Quality Enhancement in Low-Density Collaborative Filtering Datasets. Big Data and Cognitive Computing. 7:59.
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2000. Querying temporal and spatial constraint networks in PTIME. Artif. Intell.. 123:223–263.
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2017. Query Reorganisation Algorithms for Efficient Boolean Information Filtering. IEEE Transactions on Knowledge and Data Engineering. 29(2):418–432.
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2017. Query personalization using social network information and collaborative filtering techniques. Future Generation of Computer Systems. Special Issue on Recommender Systems for Large-Scale Social Networks:440–450.
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2024. On the Quality and Validity of Course Evaluation Questionnaires Used in Tertiary Education in Greece. Trends in Higher Education. 3(2):221–234.
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2022. On Producing Accurate Rating Predictions in Sparse Collaborative Filtering Datasets. Information. 13:302.
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2012. Privacy Preservation by Disassociation. PVLDB. 5:944–955.
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2012. Privacy Preservation by Disassociation. CoRR. abs/1207.0135
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2005. A Presentation Model & Non-Traditional Visualization for OLAP. IJDWM. 1:1–36.
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2018. The personality of the influencers, the characteristics of qualitative discussions and their analysis for recommendations to cultural institutions. Heritage. 1:239-253.
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2013. Performance Tuning of Dual-priority Delta Networks through Queuing Scheduling Disciplines. Journal of Communications Software and Systems. 9(4):222-235.
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2010. Performance Study of Multi-Layered Multistage Interconnection Networks under Hotspot Traffic Conditions. Journal of Computer Systems, Networks, and Communications. 2010:11pages.
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2011. Performance Analysis of Multi-Layered Multi-Priority Asymetric-Sized Delta Networks. Journal of Computer Systems, Networks, and Communications. to appear:12.
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2011. Performance Analysis of Dual-Priority Multilayer Multistage Interconnection Networks under Multicast Environment. Journal of Networks. June:858–871.
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1993. Parallel Optimisation of Join Queries Using a Technique of Exhaustive Nature. Computers and Artificial Intelligence. 12:145–166.
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2018. Parallel Algorithm for Incremental Betweenness Centrality on Large Graphs. IEEE Trans. Parallel Distrib. Syst.. 29:659–672.
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2000. An optimisation scheme for coalesce/valid time selection operator sequences. SIGMOD Record (ACM Special Interest Group on Management of Data). 29:38-43.
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2007. Ontology visualization methods - A survey. ACM Computing Surveys. 39:10:1-10:43.
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2010. Ontologies and the brain: Using spreading activation through ontologies to support personal interaction. Cognitive Systems Research. Volume 11, Issue 1:25-41.
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2020. Multimodal Interaction: Correlates of Learners' Metacognitive Skill Training Negotiation Experience. Information. 11:381.
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2022. Multichannel Digital Marketing Optimizations through Big Data Analytics in the Tourism and Hospitality Industry. Journal of Theoretical and Applied Electronic Commerce Research. 17:1383–1408.
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2013. Modelling and performance study of finite-buffered blocking multistage interconnection networks supporting natively 2-class priority routing traffic. Journal of Network and Computer Applications. 36(2):723–737.
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2011. Modelling and performance evaluation of a novel internal priority routing scheme for finite-buffered multistage interconnection networks. International Journal of Parallel, Emergent and Distributed Systems. 26(5):381–397.