TY - CHAP A1 - Gasevic, Dragan A1 - Giurca, Adrian A1 - Lukichev, Sergey A1 - Wagner, Gerd T1 - Rule-based Modeling of Semantic Web Services Y1 - 2006 ER - TY - CHAP A1 - Kaviani, Nima A1 - Gasevic, Dragan A1 - Hatala, Marek A1 - Clement, David A1 - Wagner, Gerd T1 - Towards Unifying Rules and Policies for Semantic Web Services Y1 - 2006 ER - TY - CHAP A1 - Guirca, Adrian A1 - Iancu, Ion T1 - Appoximate Reasoning using Fodor´s Implication Y1 - 2006 ER - TY - CHAP A1 - Lukichev, Sergey A1 - Wagner, Gerd T1 - UML-based Rule Modeling with Fujaba Y1 - 2006 ER - TY - CHAP A1 - Wagner, Gerd A1 - Taveter, Kuldar T1 - Towards radical agent-oriented software engineering processes based on AOR modeling Y1 - 2005 ER - TY - CHAP A1 - Boley, Harold A1 - Dean, Mike A1 - Kifer, Michael A1 - Tabet, Said A1 - Wagner, Gerd T1 - RuleML Position Statement Y1 - 2005 UR - http://www.w3.org/2004/12/rules-ws/paper/96/ ER - TY - CHAP A1 - Giurca, Adrian A1 - Wagner, Gerd ED - Adi, Asaf ED - Stoutenburg, Suzette T1 - Towards an Abstract Syntax and Direct-Model Theoretic Semantics for RuleML T2 - Rules and rule markup languages for the semantic web, first international conference, proceedings, RuleML 2005, Galway, Ireland, November 10 - 12, 2005 Y1 - 2005 SN - 3-540-29922-X SP - 45 EP - 55 PB - Springer CY - Berlin [u.a.] ER - TY - CHAP A1 - Wagner, Gerd A1 - Antoniou, Grigoris A1 - Tabet, Said T1 - The Abstract Syntax of RuleML - Towards a General Web Rule Language KW - Web Rule Y1 - 2004 ER - TY - JOUR A1 - Gasevic, Dragan A1 - Djuric, Dragan A1 - Devedzic, Vladan T1 - Bridging MDA and OWL ontologies Y1 - 2005 ER - TY - CHAP A1 - Guizzardi, Giancarlo A1 - Wagner, Gerd A1 - Herre, Heinrich ED - Motta, Enrico T1 - On the foundations of UML as an ontology representation language T2 - Engineering knowledge in the age of the semantic web, 14th international conference, proceedings, EKAW 2004, Whittlebury Hall, UK, October 5 - 8, 2004 KW - UML KW - Ontology Representation Language Y1 - 2004 SN - 3-540-23340-7 SP - 47 EP - 62 PB - Springer CY - Berlin [u.a.] ER - TY - CHAP A1 - Antoniou, Grigoris A1 - Bikakis, Antonis A1 - Wagner, Gerd ED - Antoniou, Grigoris ED - Boley, Harold T1 - A System for Nonmonotonic Rules on the Web Y1 - 2004 ER - TY - GEN A1 - Analyti, Anastasia A1 - Antoniou, Grigoris A1 - Damasio, Carlos Viegas A1 - Wagner, Gerd T1 - Negation and Negative Information in the W3C Resource Description Framework T2 - Annals of Mathematics, Computing & Teleinformatics Y1 - 2004 VL - 1 IS - 2 SP - 25 EP - 34 ER - TY - CHAP A1 - Guizzardi, Giancarlo A1 - Wagner, Gerd ED - Grundspenkis, Janis ED - Kirikova, Marite T1 - On the Ontological Foundations of Agent Concepts T2 - CAiSE'04 Workshops in connection with The 16th Conference on Advanced Information Systems Engineering, Riga, Latvia, 7-11 June, 2004, Proceedings, Vol. 2 Y1 - 2004 SN - 9984-9767-2-6 SP - 265 EP - 279 PB - Fac. of Computer Science and Information Technology, Techn. Univ., CY - Riga ER - TY - CHAP A1 - Antoniou, Grigoris A1 - Bikakis, Antonis A1 - Wagner, Gerd T1 - A Defeasable Logic Programming System for the Web T2 - 16th IEEE International Conference on Tools with Artificial Intelligence (ICTAI 2004), 15-17 November 2004, Boca Raton, FL, USA Y1 - 2004 SN - 0-7695-2236-X SP - 756 EP - 757 PB - IEEE Computer Society CY - Los Alamitos, Calif. [u.a.] ER - TY - CHAP A1 - Wagner, Gerd ED - Giorgini, Paolo T1 - AOR Modelling and Simulation: Towards a General Architecture for Agent-Based Discrete Event Simulation T2 - Agent oriented information systems, 5th international bi-conference workshop, AOIS 2003, Melbourne, Australia, July 14, 2003 and Chicago, IL, USA, October 13th, 2003 Y1 - 2004 SN - 3-540-22127-1 SP - 174 EP - 188 PB - Springer CY - Berlin [u.a] ER - TY - CHAP A1 - Wagner, Gerd A1 - Taveter, Kuldar ED - Zhong, Ning T1 - Towards radical agent-oriented software engineering processes based on AOR modeling T2 - Proceedings, IEEE/WIC/ACM International Conference on Intelligent Agent Technology (IAT 2004), Beijing, China, September 20 - 24, 2004 Y1 - 2004 SN - 0-7695-2101-0 SP - 509 EP - 512 PB - IEEE Computer Society CY - Los Alamitos, Calif. [u.a.] ER - TY - CHAP A1 - Luin, Jeroin van A1 - Tulba, Florin A1 - Wagner, Gerd T1 - Remodeling the Beer Game as an Agent-Objekt-Relationship Simulation Y1 - 2004 ER - TY - CHAP A1 - Guizzardi, Giancarlo A1 - Wagner, Gerd A1 - Sinderen, Marten van ED - Büchel, Gregor ED - Klein, Bertin T1 - A Formal Theory of Conceptual Modeling Universals Y1 - 2004 UR - http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS/Vol-112/ ER - TY - CHAP A1 - Wagner, Gerd T1 - A UML Profile for External Agent-Object Relationship Models Y1 - 2003 ER - TY - CHAP A1 - Wagner, Gerd T1 - Web Rules Need Two Kinds of Negation Y1 - 2003 ER - TY - GEN A1 - Taveter, Kuldar A1 - Wagner, Gerd T1 - Agent-Oriented Enterprise Modeling Based on Business Rules Y1 - 2001 ER - TY - CHAP A1 - Wagner, Gerd T1 - A Database needs two knds of Negation Y1 - 1991 ER -