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Non-Parametric Estimation of Topic Hierarchies from Texts with Hierarchical Dirichlet Processes. JMLR. 12:2749-2775.. 2011.
An Ontology-based framework for Authoring Tools in the Domain of Sustainable Energy Education. International Journal of Agricultural and Environmental Information Systems (IJAEIS), Special issue on Intelligent Systems for Engineering Environmental Knowledge. 2. 2011.
Probabilistic Event Calculus based on Markov Logic Networks. RULE ML @ BRF 2011.. 2011.
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.
Special Issue: Intelligent Systems for Engineering Environmental Knowledge (I-SEEK). International Journal of Agricultural and Environmental Information Systems (IJAEIS) (Official Publication of the Information Resources Management Association ). 2. 2011.
A Collaborative System for Sentiment Analyis. SETN 2010.. 2010.
Decision Making Support for Maritime Environmental Protection via an Intelligent tutoring system approach. Journal of Environmental Engineering and Management. 9(2). 2010.
On the Discovery of Subsumption Relations for the Alignment of Ontologies. Journal of Web Semantics (JWS).. 2010.
Facilitating Dialogue - Using Semantic Web Technology for eParticipation. Extended Semantic Web Conference (ESWC) 2010.. 2010.
A Hybrid System for Sentiment Analysis. LREC 2010.. 2010.
Learning Subsumption Hierarchies of Ontology Concepts from Texts. Web Intelligence and Agent Systems: An International Journal, IOS Press. 8. 2010.
Learning useful kick-off ontologies from Query Logs: HCOME revised. 4th International Conference on Complex, Intelligent and Software Intensive Systems (CISIS-2010).. 2010.
Ontological tools: Requirements, Design Issues and Perspectives. TAO (Theory and Applications of Ontology).. 2010.
A Semantic Information System for Services and Traded Resources in Grid e-Markets. Future Generation Computer Systems. 26:916-933.. 2010.
Semantic Integration of Distributed and Heterogeneous Information Sources. 2nd ERCIM-DIS Workshop on Large Scale and Federated Information Spaces.. 2010.
Towards a Framework for Trusting the Automated Learning of Social ontologies. Knowledge Science, Engineering and Management (KSEM) 2010.. 2010.
AI in Greece. IEEE Intelligent Systems. 24:22-24.. 2009.
AUTOMS-F: A Framework for the Synthesis of Ontology Mapping Methods. Networked Knowledge – Networked Media Integrating Knowledge Management, New Media Technologies and Semantic Systems. :45-60.. 2009.
e-Class in Ontology Engineering: integrating Ontologies to Argumentation and Semantic Wiki technology. Workshop on Intelligent and Innovative Support for Collaborative Learning Activities (WIISCOLA), 8th International Conference on Computer Supported Collaborative Learning.. 2009.
Mining Web queries to boost semantic content creation. WWW/Internet.. 2009.
Semantic discovery of resources and services in democratized grids. Handbook of Research on Social Dimensions of Semantic Technologies and Web Services.. 2009.