TY - GEN A1 - Guizzardi, Giancarlo A1 - Wagner, Gerd A1 - Almeida, João Paulo Andrade A1 - Guizzardi, Renata T1 - Towards Ontological Foundation for Conceptual Modeling: The Unified Foundationa lOntology (UFO) Story T2 - Applied Ontology Y1 - 2015 U6 - https://doi.org/10.3233/AO-150157 SN - 1570-5838 VL - 10 IS - 3-4 SP - 259 EP - 271 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 - CHAP A1 - Guizzardi, Giancarlo A1 - Wagner, Gerd T1 - Some applications of a unified foundational ontology in business modeling Y1 - 2005 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 - 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 - Guizzardi, Giancarlo A1 - Wagner, Gerd T1 - Towards an Ontological Foundation of Discrete Event Simulation T2 - Proceedings of Winter Simulation Conference Y1 - 2010 SP - 652 EP - 664 PB - IEEE CY - Baltimore ER - TY - CHAP A1 - Guizzardi, Giancarlo A1 - Wagner, Gerd T1 - Using the Unified Foundational Ontology(UFO) as a Foundation for General Conceptual Modeling Languages T2 - Theory and Applications of Ontology : computer applications Y1 - 2010 SN - 978-90-481-8846-8 SP - 175 EP - 196 PB - Springer Netherlands CY - Dordrecht ER - TY - CHAP A1 - Guizzardi, Giancarlo A1 - Wagner, Gerd T1 - What´s in a Relationsship: An Ontological Analysis Y1 - 2008 ER - TY - CHAP A1 - Guizzardi, Giancarlo A1 - Wagner, Gerd ED - Jain, Sanjay T1 - Towards an Ontological Foundation of Agent-Based Simulation T2 - Proceedings of the 2011 Winter Simulation Conference Y1 - 2011 SP - 284 EP - 295 PB - IEEE CY - Piscataway, NY 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 - 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 - 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 -