G. Meditskos, N. Bassiliades, D. Vrakas, I. Vlahavas, “IRISPortal: A Semantic Portal for Industrial Risk Cases Management”, Proc. 2nd International Conference on Web Intelligence, Mining and Semantics (WIMS' 12), Dumitru Dan Burdescu, Rajendra Akerkar, Costin Badica (Ed.), ACM, pp. 243-250, Craiova, Romania, June 13-15, 2012, 2012.
O. Hatzi, G. Meditskos, D. Vrakas, N. Bassiliades, D. Anagnostopoulos, I. Vlahavas, “PORSCE II: Using Planning for Semantic Web Service Composition”, 3rd International Competition on Knowledge Engineering for Planning and Scheduling, ICAPS-09, Roman Bartak, Simone Frattini, Lee McCluskey (Ed.), pp. 38-45, Thessaloniki, Greece, 2009.
O. Hatzi, G. Meditskos, D. Vrakas, N. Bassiliades, D. Anagnostopoulos, I. Vlahavas, “Semantic Web Service Composition Using Planning and Ontology Concept Relevance”, 2009 IEEE/WIC/ACM International Joint Conference on Web Intelligence and Intelligent Agent Technology, pp. 418-421, Milan, Italy, 2009.
N. Bassiliades, I. Maglogiannis, E. Stamatatos, “AI Applications and Mathematical Foundations”, AI Research in Greece: Surveys on AI Research in Greece per Area of Research, G. Vouros (Ed.), Hellenic AI Society, 2008. Avalaible at: http://www.eetn.gr/index.php/about-eetn/eetn-publications/ai-research-in-greece
O. Hatzi, G. Meditskos, D. Vrakas, N. Bassiliades, D. Anagnostopoulos, I. Vlahavas, “A Synergy of Planning and Ontology Concept Ranking for Semantic Web Service Composition”, 11th Ibero-American Conference on Artificial Intelligence, H. Geffner et al. (Ed.), Springer-Verlag, LNAI 5290, pp. 42-51, Lisbon, Portugal, 2008.
O. Hatzi, D. Vrakas, N. Bassiliades, D. Anagnostopoulos, I. Vlahavas, “Visual Representation of Web Service Composition Problems through VLEPpO”, International Workshop on Intelligent Web Based Tools, 19th IEEE International conference on Tools with Artificial Intelligence, Juan D. Velasquez (Ed.), pp. 42 - 49, Patras, Greece, 2007.