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O. Hatzi, M. Nikolaidou, D. Vrakas, N. Bassiliades, D. Anagnostopoulos, and I. Vlahavas, “Semantically Aware Web Service Composition through AI Planning”, International Journal on Artificial Intelligence Tools, Vol. 24, Νο. 1, 1450015, 2015.
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O. Hatzi, D. Vrakas, N. Bassiliades, D. Anagnostopoulos, I. Vlahavas, “The PORSCE II Framework: Using AI Planning for Automated Semantic Web Service Composition”, The Knowledge Engineering Review, Cambridge University Press, Vol. 28, No. 2, pp. 137-156, 2013.
O. Hatzi, D. Vrakas, M. Nikolaidou, N. Bassiliades, D. Anagnostopoulos, I. Vlahavas, “An Integrated Approach to Automated Semantic Web Service Composition through Planning”, IEEE Transactions on Services Computing, IEEE, 5(3), 2012.
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O. Hatzi, D. Vrakas, N. Bassiliades, D. Anagnostopoulos, I. Vlahavas, “Semantic Awareness in Automated Web Service Composition through Planning”, 6th Hellenic Conference on Artificial Intelligence (SETN 2010), Springer, LNAI, Vol. 6040, pp. 123-132, Athens, Greece, 4-7 May, 2010.
O. Hatzi, D. Vrakas, N. Bassiliades, D. Anagnostopoulos, I. Vlahavas, “A visual programming system for automated problem solving”, Expert Systems with Applications, Elsevier, 37(6), pp. 4611-4625, 2010.
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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.
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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.
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, “VLEPpO: A Visual Language for Problem Representation”, 26th Workshop of the UK Planning and Scheduling Special Interest Group, Roman Bartak (Ed.), pp. 60 - 66, Prague, Czech Republic, 2007.
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.
