2012

  • E. Kontopoulos, T. Zetta, N. Bassiliades, “Semantically-enhanced Authoring of Defeasible Logic Rule Bases in the Semantic Web”, Proc. 2nd International Conference on Web Intelligence, Mining and Semantics (WIMS'12), ACM, Article 56, pp. 489-492, Craiova, Romania, June 13-15, 2012, 2012. (details)

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  • K. Kravari, N. Bassiliades, “HARM: A Hybrid Rule-based Agent Reputation Model based on Temporal Defeasible Logic”, 6th International Symposium on Rules: Research Based and Industry Focused (RuleML-2012), Antonis Bikakis, Adrian Giurca (Ed.), Springer Berlin / Heidelberg, 7438, pp. 193 - 207, Montpellier, France, 2012. (details)

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    2011

  • E. Kontopoulos, N. Bassiliades, G. Governatori, G. Antoniou, “A Modal Defeasible Reasoner of Deontic Logic for the Semantic Web”, International Journal on Semantic Web and Information Systems (IJSWIS), 7(1), pp. 18-43, 2011. (details)

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  • E. Kontopoulos, N. Bassiliades, G. Antoniou, “Visualizing Semantic Web Proofs of Defeasible Logic in the DR-DEVICE System”, Knowledge-based Systems, 24(3), pp. 406-419, 2011. (details)

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    2010

  • K. Kravari, G. Kastori, N. Bassiliades, G. Governatori, “A Contract Agreement Policy-Based Workflow Methodology for Agents Interacting in the Semantic Web”, Semantic Web Rules, Proc. 4th International Web Rule Symposium (RuleML 2010), Springer, 6403, pp. 225-239, Washington, DC, USA, 2010. (details)

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    2009

  • K. Kravari, E. Kontopoulos, N. Bassiliades, “A Trusted Defeasible Reasoning Service for Brokering Agents in the Semantic Web”, 3rd International Symposium on Intelligent Distributed Computing (IDC 2009), 13-14 October, Springer Berlin / Heidelberg, Vol. 237, pp. 243-248, Ayia Napa, Cyprus, 2009. (details)

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    2008

  • E. Kontopoulos, N. Bassiliades, G. Governatori, G. Antoniou, “Extending a Defeasible Reasoner with Modal and Deontic Logic Operators”, Proceedings of Workshop on Logics for Intelligent Agents and Multi-Agent Systems (WLIAMAS 2008) at IEEE/WIC/ACM International Conference on Web Intelligence and Intelligent Agent Technology, IEEE Computer Society Press, pp. 626-629, Sydney, Australia, 2008. (details)

  • E. Kontopoulos, N. Bassiliades, G. Antoniou, “Deploying Defeasible Logic Rule Bases for the Semantic Web”, Data & Knowledge Engineering, 66 (1), pp. 116-146, 2008. (details)

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  • I. Avguleas, K. Gkirtzou, S. Triantafilou, A. Bikakis, G. Antoniou, E. Kontopoulos, N. Bassiliades, “Visualization of Proofs in Defeasible Logic”, Proceedings of the 2008 International Symposium on Rule Interchange and Applications (RuleML-2008), Nick Bassiliades, Guido Governatori, Adrian Paschke (Ed.), Springer, LNCS, Vol. 5321, pp. 197-210, Orlando, Florida, USA, 2008. (details)

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  • E. Kontopoulos, N. Bassiliades, G. Antoniou, A. Seridou, “Visual Modeling of Defeasible Logic Rules with DR-VisMo”, International Journal of Artificial Intelligence Tools (IJAIT), 17(5), pp. 903-924, 2008. (details)

    • 2007


  • E. Kontopoulos, N. Bassiliades, G. Antoniou, “Visual Stratification of Defeasible Logic Rule Bases”, Proceedings of the 19th IEEE International Conference on Tools with Artificial Intelligence (ICTAI), IEEE, pp. 238-245, Patras, Greece, 2007. (details).

  • E. Symeonidis, G. Meditskos, E. Kontopoulos, N. Bassiliades, “A Web Service Reasoner for the Semantic Web”, Proceedings of the 2nd Annual SEERC Doctoral Student Conference, Thessaloniki, Greece, 2007. (details)

  • T. Skylogiannis, G. Antoniou, N. Bassiliades, G. Governatori, A. Bikakis, “DR-NEGOTIATE – A System for Automated Agent Negotiation with Defeasible Logic-Based Strategies”, Data & Knowledge Engineering, 63(2), pp. 362-380, 2007. (details)

  • E. Kontopoulos, N. Bassiliades, G. Antoniou, “Visual Development of Defeasible Logic Rules for the Semantic Web”, Visual Languages for Interactive Computing: Definitions and Formalizations, F. Ferri (Ed.), Idea Group Publishing, pp. 273-301, 2007. (details)

  • E. Kontopoulos, N. Bassiliades, G. Antoniou, “A Visualization Algorithm for Defeasible Logic Rule Bases over RDF Data”, 1st International Conference on Web Reasoning and Rule Systems (RR 2007), Springer, LNCS 4524, pp. 367-369, Innsbruck, Austria, 7-8 June, 2007. (details)

  • N. Bassiliades, G. Antoniou, G. Governatori, “Proof Explanation in the DR-DEVICE System”, 1st International Conference on Web Reasoning and Rule Systems (RR 2007), Springer-Verlag, LNCS 4524, pp. 249-258, Innsbruck, Austria, 7-8 June 2007, 2007. (details)

  • G. Antoniou, T. Skylogiannis, A. Bikakis, M. Doerr, N. Bassiliades, “DR-BROKER: A Semantic Brokering System”, Knowledge-Based Systems, Vol. 20, No. 1, pp. 61–72, 2007. (details)

    • 2006


  • N. Bassiliades, G. Antoniou, I. Vlahavas, “A Defeasible Logic Reasoner for the Semantic Web”, International Journal on Semantic Web and Information Systems, Vol. 2, No. 1, pp. 1-41, 2006. (details)

  • E. Kontopoulos, N. Bassiliades, G. Antoniou, “Visualizing Defeasible Logic Rules for the Semantic Web”, 1st Asian Semantic Web Conference (ASWC'06), Springer-Verlag, LNCS 4185, pp. 278-292, Beijing, China, 3-7 September, 2006. (details)

  • E. Kontopoulos, N. Bassiliades, G. Antoniou, “A Non-Monotonic Reasoning System for RDF Metadata”, Proc. 11th Int. Workshop on Non-Monotonic Reasoning, pp. 285-293, Lake District area, UK, 30 May - 1 June, 2006. (details)

  • E. Kontopoulos, N. Bassiliades, “Graphical Representation of Defeasible Logic Rules using Digraphs”, Proc. 4th Hellenic Conference on Artificial Intelligence (SETN-06), G. Antoniou, G. Potamias, D. Plexousakis, C. Spyropoulos (Ed.), Springer-Verlag, LNAI 3955, pp. 529-533, Heraklion, Crete, 18-20 May, 2006. (details)

    • 2005


  • N. Bassiliades, E. Kontopoulos, G. Antoniou, I. Vlahavas, “A Graphical Rule Authoring Tool for Defeasible Reasoning in the Semantic Web”, 10th Panhellenic Conference on Informatics (PCI 2005) , P. Bozanis and E.N. Houstis (Eds.), Springer-Verlag, LNCS 3746, Volos, Greece, 11-13 November, 2005. (details)

  • N. Bassiliades, E. Kontopoulos, G. Antoniou, “A Visual Environment for Developing Defeasible Rule Bases for the Semantic Web”, Proc. International Conference on Rules and Rule Markup Languages for the Semantic Web (RuleML-2005) , A. Adi, S. Stoutenburg, S. Tabet (Ed.), Springer-Verlag, LNCS 3791, pp. 172-186, Galway, Ireland, 10-12 November, 2005. (details)

  • N. Bassiliades, E. Kontopoulos, G. Antoniou, “VDR-DEVICE: A Visual Editor for a Defeasible Logic Rule-ML-compatible Rule Language”, 4th International Semantic Web Conference (ISWC2005), Demo/Poster Session , Edward Curry (Ed.), Galway, Ireland, 6-10 Nov. 2005, 2005. (details)

  • T. Skylogiannis, G. Antoniou, N. Bassiliades, G. Governatori, “DR-NEGOTIATE – A System for Automated Agent Negotiation with Defeasible Logic-Based Strategies”, IEEE International Conference on E-Technology, E-Commerce and E-Service , W.K.W. Cheung, J. Hsu (Ed.), IEEE, pp. 44-49, 29/3 - 1/4/2005, Hong Kong, China, 2005. (details)

    • 2004


  • T. Skylogiannis, G. Antoniou, N. Bassiliades, “A System for Automated Agent Negotiation with Defeasible Logic-Based Strategies – Preliminary Report”, Third International Workshop on Rules and Rule Markup Languages for the Semantic Web (RuleML 2004) , G. Antoniou, H. Boley (Ed.), Springer-Verlag, LNCS 3323, pp. 205–213, Hiroshima, Japan, November 8, 2004. (details)

  • N. Bassiliades, G. Antoniou, I. Vlahavas, “DR-DEVICE: A Defeasible Logic RDF Rule Language”, 3rd International Semantic Web Conference (ISWC2004), Demonstrations Program , Hiroshima, Japan, 7-11 Nov. 2004. (details)

  • N. Bassiliades, G. Antoniou, I. Vlahavas, “A Defeasible Logic Reasoner for the Semantic Web”, Workshop on Rules and Rule Markup Languages for the Semantic Web (RuleML 2004), G. Antoniou, H. Boley (Ed.), Springer-Verlag, LNCS 3323, pp. 49-64, Hiroshima, Japan, 8 Nov. 2004. (details)

  • N. Bassiliades, G. Antoniou, I. Vlahavas, “DR-DEVICE: A Defeasible Logic System for the Semantic Web”, Second International Workshop on Principles and Practice of Semantic Web Reasoning (PPSWR04), Sebastian Schaffert (Ed.), Springer-Verlag, LNCS 3208, pp. 134-148, St Malo, France, 6-10 Sept., 2004. (details)