Buffer Allocation in Unreliable Production Lines Using a Knowledge Based System. Computers and Operations Research. An International Journal. 25:1055-1067.. 1998.
Multilingual, Ontology-driven, Content-based Search and Retrieval of Information Items. Applied Artificial Intelligence. 19:691-719.. 2005.
Realizing Human-Centered Systems via Socially Deliberating Agents. In Proceedings of the 10th International Conference in Human-Computer Interaction.. 2003.
Information Sharing and Searching via Collaborative Reinforcement Learning. 7th Hellenic Conference on Artificial Intelligence (SETN 12).. 2012.
Extending HCONE-merge by approximating the intended interpretations of concepts iteratively.. The Semantic Web: Research and Applications, 2nd European Semantic Web Conference (ESWC'05).. 2005.
Representing, adapting and reasoning with uncertain, imprecise and vague information. Journal Expert Systems with Applications. 19:167-192.. 2000.
Development of a Diagnostic System of Taxonomies Using Fuzzy Logic. WSEAS Transactions on Information Science and Applications. 1. 2004.
Non-Parametric Estimation of Topic Hierarchies from Texts with Hierarchical Dirichlet Processes. JMLR. 12:2749-2775.. 2011.
Learning Ontologies of Appropriate Size. Artificial Intelligence: Theory, Methods and Applications (5th Hellenic Conference on Artificial Intelligence, SETN 2008).. 2008.
Gold Standard Evaluation of Ontology Learning Methods through Ontology Transformation and Alignment.. IEEE Trans. Knowl. Data Eng.. 23:1635-1648.. 2011.
A Distributional Approach to Evaluating Ontology Learning Methods Using a Gold Standard. Ontology Learning and Population Workshop (OLP 2008), European Conference on Artificial Intelligence (ECAI 2008).. 2008.
Determining Automatically the Size of Learned Ontologies (short paper). European Conference on Artificial Intelligence (ECAI 2008).. 2008.
Learning Subsumption Hierarchies of Ontology Concepts from Texts. Web Intelligence and Agent Systems: An International Journal, IOS Press. 8. 2010.
Discovering Subsumption Hierarchies of Ontology Concepts from Text Corpora. IEEE/WIC/ACM International Conference on Web Intelligence.. 2007.
Semantic Web Rules for Automated Assessment in Intelligent Tutoring Systems. The 24th Florida Artificial Intelligence Research Society Conference (FLAIRS-24), Special Track on Ontologies and Social Semantic Web for Intelligent Educational Systems (SWEL).. 2011.