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 - Guizzardi, Giancarlo A1 - Wagner, Gerd ED - Giorgini, Paolo T1 - Towards Ontological Foundations for Agent Modelling Concepts using the Unified Foundational Ontology (UFO) T2 - Agent oriented information systems, 6th international bi-conference workshop, revised selected papers, AOIS 2004, Riga, Latvia, June 8, 2004, Bd. 2 Y1 - 2005 SN - 3-540-25911-2 EP - 110 PB - Springer CY - Berlin 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 - 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 - CHAP A1 - Guizzardi, Giancarlo A1 - Wagner, Gerd T1 - Some applications of a unified foundational ontology in business modeling Y1 - 2005 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 - Wagner, Gerd A1 - Taveter, Kuldar T1 - Towards radical agent-oriented software engineering processes based on AOR modeling Y1 - 2005 ER - TY - GEN A1 - Guizzardi, Renata A1 - Wagner, Gerd A1 - Aroyo, Lora T1 - Knowledge management in learning communities T2 - The ICFAI Journal of Knowledge Management KW - knowledge management Y1 - 2005 VL - 3 IS - 3 SP - 30 EP - 46 ER - TY - CHAP A1 - Guizzardi, Giancarlo A1 - Wagner, Gerd A1 - Guarino, Nicola A1 - Sinderen, Marten van ED - Persson, Anne T1 - An Ontologically Well-Founded Profile for UML Conceptual Models T2 - Advanced information systems engineering, 16th international conference, proceedings, CAiSE 2004, Riga, Latvia, June 7 - 11, 2004 Y1 - 2004 SN - 3-540-22151-4 SP - 112 EP - 116 PB - Springer CY - Berlin [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 - 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 ED - Grundspenkis, Janis ED - Kirikova, Marite T1 - A Unified Foundational Ontology and some Applications of it in Business Modeling T2 - Data integration over the Web, CAiSE '04, The 16th Conference on Advanced Information Systems Engineering, Riga, Latvia, 7 - 11 June, 2004, proceedings KW - Ontology KW - Business Modeling Y1 - 2004 SN - 9984-9767-3-4 SP - 129 EP - 143 PB - Fac. of Computer Science and Information Technology CY - Riga ER - TY - CHAP A1 - Analyti, Anastasia A1 - Antoniou, Grigoris A1 - Damasio, Carlos Viegas A1 - Wagner, Gerd ED - Gil, Yolanda T1 - Stable model theory for extended RDFontologies T2 - The Semantic Web - ISWC 2005, 4th International Semantic Web Conference, ISWC 2005, Galway, Ireland, November 6 - 10, 2005, proceedings Y1 - 2005 SN - 3-540-29754-5 SP - 21 EP - 36 PB - Springer CY - Berlin [u.a.] ET - 1. ed. 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 - Boley, Harold A1 - Wagner, Gerd A1 - Mei, Jing T1 - RDF/RuleML Interoperability Y1 - 2005 UR - http://www.w3.org/2004/12/rules-ws/paper/93/ ER - TY - CHAP A1 - Tabet, Said A1 - Wagner, Gerd A1 - Spreeuwenberg, Silvie A1 - Vincent, Paul D. A1 - Jacques, Gonzaques T1 - OMG Production Rule Representation - Context and Current Status Y1 - 2005 UR - http://www.w3.org/2004/12/rules-ws/paper/53/ ER - TY - CHAP A1 - Wagner, Gerd ED - Eisinger, Norbert ED - Maluszynski, Jan T1 - Rule Modeling and Markup Y1 - 2005 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 - 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 -