Publications
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2015. Effectiveness of visualization for information retrieval through ontologies with entity evolution: the impact of ontology modeling. International Journal of Information Retrieval Research. 5:26.
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2007. Domain expert user development: The smartgov approach. Communications of the ACM. 50:79-83.
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2012. A distributed recommender system architecture. International Journal of Web Engineering and Technology. 7:203–227.
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1996. A cost model for the estimation of query execution time in a parallel environment supporting pipeline. Computers and Artificial Intelligence. 15:341-368.
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2012. Context Management for m-Commerce Applications: Determinants, Methodology and the Role of Marketing. Information Technology and Management, Springer-Verlag. 13(2):91–111.
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2012. A context management architecture for m-commerce applications. Central European Journal of Computer Science, Versita, co-published with Springer Verlag. 2:87–117.
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2010. The Conceptual Model of Context for Mobile Commerce Applications. Electronic Commerce Research, Springer-Verlag. 10(2):139-165.
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2006. Component reuse in electronic services development. J. Comp. Methods in Sci. and Eng.. 6:229–241.
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2012. Class-based weighted fair queuing scheduling on quad-priority Delta Networks. International Journal of Parallel, Emergent and Distributed Systems. 27:435–457.
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2012. Class-Based Weighted Fair Queuing Scheduling on Dual-Priority Delta Networks. Journal of Network and Computer Applications. 2012:13pages.
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2019. Blockchain technologies for leveraging security and privacy. Homo Virtualis. 2:7–14.
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2005. Barriers To Electronic Service Development. e-Service Journal. Fall 2005:41-63.
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2008. An active blackboard for service discovery, composition and execution. International Journal of Electronic Governance. 1:275-295.
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2008. WhereRU: GPS position reporting and a personal ontology as a virtual community utility. Proceedings of the 2nd International Conference on Research Challenges in Information Science, RCIS 2008. :141-146.
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2007. Web service execution streamlining. Proceedings - ICSSSM'06: 2006 International Conference on Service Systems and Service Management. 2:1564-1569.
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2009. Visualizing Hierarchies: Evaluating the Efficiency and Cognitive Effects of Six Visualization Techniques for Browsing and Management Tasks. Information Visualization 2009, book of abstracts.
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2006. Visualizing a temporally-enhanced ontology. AVI '06: Proceedings of the working conference on Advanced visual interfaces. :488–491.
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2014. Visualization method effectiveness in ontology-based information retrieval tasks involving entity evolution. Proceedings of SMAP 2014.
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2008. Using Spreading Activation through Ontologies to Support Personal Information Management. Proceedings of CSKGOI, within IUI 2008.
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2016. Using Social media to stimulate history reflection in cultural heritage. Proceedings of Semantic and Social Media Adaptation and Personalization (SMAP) 2016.
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1992. Using Parallelism and Pipeline for the Optimisation of Join Queries. PARLE '92: Proceedings of the 4th International PARLE Conference on Parallel Architectures and Languages Europe. :279–294.
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2013. User Profiling: Towards a Facebook Game that Reveals Cognitive Style. Proceedings of the GALA 2013 conference. :349–353.
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2016. The use of semantics in the CrossCult H2020 project. Proceedings of the second International KEYSTONE Conference, (IKC2016). :190–195.
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2002. Transactional e-Government Services: An Integrated Approach. EGOV '02: Proceedings of the First International Conference on Electronic Government. :276–279.
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1995. Transaction Support in a Temporal DBMS. Proceedings of the International Workshop on Temporal Databases. :255–271.