Gerd Wagner

Giancarlo Guizzardi, Gerd Wagner: Conceptual simulation modeling with onto-UML. Winter Simulation Conference 2012: 5

Gerd Wagner: Simurena: a web portal for open educational simulation. Winter Simulation Conference 2012: 141

Reka Daniel, Gerd Wagner, Kathrin Koch, Jürgen R. Reichenbach, Heinrich Sauer, Ralf G. M. Schlösser: Assessing the Neural Basis of Uncertainty in Perceptual Category Learning through Varying Levels of Distortion. J. Cognitive Neuroscience 23(7): 1781-1793 (2011)

Gerd Wagner, Kathrin Koch, Claudia Schachtzabel, C. Christoph Schultz, Heinrich Sauer, Ralf G. M. Schlösser: Structural brain alterations in patients with major depressive disorder and high risk for suicide: Evidence for a distinct neurobiological entity? NeuroImage 54(2): 1607-1614 (2011)

Oana Nicolae, Gerd Wagner: Modeling and Simulating Organisations. EOMAS 2011: 45-62

Giancarlo Guizzardi, Gerd Wagner: Can BPMN Be Used for Making Simulation Models? EOMAS 2011: 100-115

Gerd Wagner: Ontologies and Rules for Enterprise Modeling and Simulation. EDOCW 2011: 385-394

Jeffrey Parsons, Antoni Olivé, Sudha Ram, Gerd Wagner, Yair Wand, Eric S. K. Yu: Panel: New Directions for Conceptual Modeling. ER 2011: 524-525

Giancarlo Guizzardi, Gerd Wagner: Towards an ontological foundation of agent-based simulation. Winter Simulation Conference 2011: 284-295

Oana Nicolae, Gerd Wagner: Towards simulation of organizational norms. Winter Simulation Conference 2011: 3109-3120

Anastasia Analyti, Grigoris Antoniou, Carlos Viegas Damásio, Gerd Wagner: Extended RDF as a Semantic Foundation of Rule Markup Languages. CoRR abs/1111.0055 (2011)

Dragan Gasevic, Giancarlo Guizzardi, Kuldar Taveter, Gerd Wagner: Vocabularies, ontologies, and rules for enterprise and business process modeling and management. Inf. Syst. 35(4): 375-378 (2010)

Kathrin Koch, Claudia Schachtzabel, Gerd Wagner, Julia Schikora, C. Christoph Schultz, Jürgen R. Reichenbach, Heinrich Sauer, Ralf G. M. Schlösser: Altered activation in association with reward-related trial-and-error learning in patients with schizophrenia. NeuroImage 50(1): 223-232 (2010)

Giancarlo Guizzardi, Gerd Wagner: Towards an ontological foundation of discrete event simulation. Winter Simulation Conference 2010: 652-664

Gerd Wagner: Model-driven engineering of Second-Life-style simulations. Winter Simulation Conference 2010: 791-798

Milan Milanovic, Dragan Gasevic, Adrian Giurca, Gerd Wagner, Sergey Lukichev, Vladan Devedzic: Model transformations to bridge concrete and abstract syntax of web rule languages. Comput. Sci. Inf. Syst. 6(2): 47-85 (2009)

Milan Milanovic, Dragan Gasevic, Adrian Giurca, Gerd Wagner, Vladan Devedzic: Bridging concrete and abstract syntaxes in model-driven engineering: a case of rule languages. Softw., Pract. Exper. 39(16): 1313-1346 (2009)

Gerd Wagner, Ion-Mircea Diaconescu: AOR-Simulation.org: cognitive agent simulation. AAMAS (2) 2009: 1405-1406

Oana Nicolae, Gerd Wagner, Jens Werner: Towards an Executable Semantics for Activities Using Discrete Event Simulation. Business Process Management Workshops 2009: 369-380

Emilian Pascalau, Adrian Giurca, Gerd Wagner: Validating Auction Business Processes using Agent-based Simulations. BPSC 2009: 95-109

Milan Milanovic, Dragan Gasevic, Gerd Wagner, Vladan Devedzic: Modeling service orchestrations with a rule-enhanced business process language. CASCON 2009: 70-85

Ion-Mircea Diaconescu, Gerd Wagner: Agent-Based Simulations with Beliefs and SPARQL-Based Ask-Reply Communication. MABS 2009: 86-97

Milan Milanovic, Dragan Gasevic, Gerd Wagner, Marek Hatala: Rule-Enhanced Business Process Modeling Language for Service Choreographies. MoDELS 2009: 337-341

Ion-Mircea Diaconescu, Gerd Wagner: Beliefs and Communication, The Basis of Collaborative Agents. SYNASC 2009: 348-355

Gerd Wagner, Oana Nicolae, Jens Werner: Extending Discrete Event Simulation by Adding an Activity Concept for Business Process Modeling and Simulation. Winter Simulation Conference 2009: 2951-2962

Milan Milanovic, Dragan Gasevic, Adrian Giurca, Gerd Wagner, Vladan Devedzic: Sharing OCL Constraints by Using Web Rules. ECEASST 9 (2008)

Oana Nicolae, Adrian Giurca, Gerd Wagner: On Interchange between Drools and Jess. Informatica (Slovenia) 32(4): 383-396 (2008)

Anastasia Analyti, Grigoris Antoniou, Carlos Viegas Damásio, Gerd Wagner: Extended RDF as a Semantic Foundation of Rule Markup Languages. J. Artif. Intell. Res. (JAIR) 32: 37-94 (2008)

Jens Dietrich, Bastian Schenke, Gerd Wagner: On Code Generation for Derived Associations. Australian Software Engineering Conference 2008: 347-356

Oana Nicolae, Mirel Cosulschi, Adrian Giurca, Gerd Wagner: Towards a BPMN Semantics Using UML Models. Business Process Management Workshops 2008: 585-596

Anastasia Analyti, Grigoris Antoniou, Carlos Viegas Damásio, Gerd Wagner: Computability and Complexity Issues of Extended RDF. ECAI 2008: 733-734

Milan Milanovic, Dragan Gasevic, Gerd Wagner: Combining Rules and Activities for Modeling Service-Based Business Processes. EDOCW 2008: 11-22

Giancarlo Guizzardi, Gerd Wagner: What's in a Relationship: An Ontological Analysis. ER 2008: 83-97

Adrian Giurca, Ion-Mircea Diaconescu, Emilian Pascalau, Gerd Wagner: On the Foundations of Web-Based Registries for Business Rules. IDC 2008: 251-255

Ion-Mircea Diaconescu, Adrian Giurca, Gerd Wagner, Jens Dietrich: Towards a Mapping from ERDF(S) to Take Vocabulary. KESE 2008

Anastasia Analyti, Grigoris Antoniou, Carlos Viegas Damásio, Gerd Wagner: On the Computability and Complexity Issues of Extended RDF. PRICAI 2008: 5-16

Grigoris Antoniou, Antonis Bikakis, Polyvios Damianakis, Mixalhs Foukarakis, Giorgos Iacovidis, Marianna Karmazi, Haridimos Kondylakis, Antreas Makridakis, Giorgos Nikiforos, Grigoris Papadourakis, Manolis Papoutsakis, Aggeliki Psyharaki, Giorgos Stratakis, Panagiotis Tourlakis, Petros Tsialiamanis, Giorgos Vasiliadis, Gerd Wagner, Dimitris Velegrakis: A Multi-agent Environment for Serving Proof Explanations in the Semantic Web. SETN 2008: 26-37

Oana Nicolae, Gerd Wagner: Verbalising R2ML Rules into SBVR. SYNASC 2008: 265-272

Adrian Giurca, Anastasia Analyti, Gerd Wagner (Eds.): Proceedings of the 2nd East European Workshop on Rule-Based Applications (RuleApps 2008) at the 18th European Conference on Artificial Intelligence, Patras, Greece, July 23, 2008. CEUR Workshop Proceedings 428, CEUR-WS.org 2008

Nima Kaviani, Dragan Gasevic, Marek Hatala, David Clement, Gerd Wagner: Integration of rules and policies for Semantic Web Services. IJAMC 1(4): 404-423 (2007)

Nima Kaviani, Dragan Gasevic, Marek Hatala, Gerd Wagner, Ty Mey Eap: Exchanging Policies between Web Service Entities using Rule Languages. IEEE SCW 2007: 57-64

Milan Milanovic, Nima Kaviani, Dragan Gasevic, Adrian Giurca, Gerd Wagner, Vladan Devedzic, Marek Hatala: Business Process Integration by Using General Rule Markup Language. EDOC 2007: 353-364

Sergey Lukichev, Adrian Giurca, Gerd Wagner: An Integrated Rule Modeling Framework. GI Jahrestagung (1) 2007: 217-221

Marko Ribaric, Dragan Gasevic, Milan Milanovic, Adrian Giurca, Sergey Lukichev, Gerd Wagner: Model-Driven Engineering of Rules for Web Services. GTTSE 2007: 377-395

Sergey Lukichev, Adrian Giurca, Gerd Wagner, Dragan Gasevic, Marko Ribaric: Using UML-based Rules for Web Services Modeling. ICDE Workshops 2007: 290-297

Oana Nicolae, Adrian Giurca, Gerd Wagner: On Interchange between JBoss Rules and Jess. IDC 2007: 135-144

Nima Kaviani, Dragan Gasevic, Marek Hatala, Gerd Wagner: Web Rule Languages to Carry Policies. POLICY 2007: 188-192

Milan Milanovic, Dragan Gasevic, Adrian Giurca, Gerd Wagner, Sergey Lukichev, Vladan Devedzic: Bridging Concrete and Abstract Syntax of Web Rule Languages. RR 2007: 309-318

Oana Nicolae, Ion-Mircea Diaconescu, Adrian Giurca, Gerd Wagner: Sharing Rules between JBoss and Jena. SYNASC 2007: 105-108

Adrian Giurca, Gerd Wagner: Rule Modeling and Interchange. SYNASC 2007: 485-491

Ion-Mircea Diaconescu, Gerd Wagner: Towards a Mapping from Java Vocabulary to RDFS. SYNASC 2007: 518-522

Milan Milanovic, Dragan Gasevic, Adrian Giurca, Gerd Wagner, Vladan Devedzic: Towards Sharing Rules Between OWL/SWRL and UML/OCL. ECEASST 5 (2006)

Sergey Lukichev, Gerd Wagner: Visual Rules Modeling. Ershov Memorial Conference 2006: 467-473

Carlos Viegas Damásio, Anastasia Analyti, Grigoris Antoniou, Gerd Wagner: Supporting Open and Closed World Reasoning on the Web. PPSWR 2006: 149-163

Costin Badica, Adrian Giurca, Gerd Wagner: Using Rules and R2ML for Modeling Negotiation Mechanisms in E-Commerce Agent Systems. TEAA 2006: 84-99

Gerd Wagner, Carlos Viegas Damásio, Grigoris Antoniou: Towards a general web rule language. Int. J. Web Eng. Technol. 2(2/3): 181-206 (2005)

Gerd Wagner, Adrian Giurca, Sergey Lukichev: A General Markup Framework for Integrity and Derivation Rules. Principles and Practices of Semantic Web Reasoning 2005

Adrian Giurca, Gerd Wagner: Towards an Abstract Syntax and Direct-Model Theoretic Semantics for RuleML. RuleML 2005: 45-55

Gerd Wagner: Rule Modeling and Markup. Reasoning Web 2005: 251-274

Anastasia Analyti, Grigoris Antoniou, Carlos Viegas Damásio, Gerd Wagner: Stable Model Theory for Extended RDF Ontologies. International Semantic Web Conference 2005: 21-36

Harold Boley, Mike Dean, Benjamin N. Grosof, Michael Kifer, Said Tabet, Gerd Wagner: RuleML Position Statement. Rule Languages for Interoperability 2005

Harold Boley, Jing Mei, Michael Sintek, Gerd Wagner: RDF/RuleML Interoperability. Rule Languages for Interoperability 2005

Said Tabet, Gerd Wagner, Silvie Spreeuwenberg, Paul D. Vincent, Gonzaques Jacques, Christian de Sainte Marie, Jon Pellant, Jim Frank, Jacques Durand: OMG Production Rule Representation - Context and Current Status. Rule Languages for Interoperability 2005

Demetrios G. Sampson, Miltiadis D. Lytras, Gerd Wagner, Paloma Díaz: Ontologies and the Semantic Web for E-learning (Guest editorial). Educational Technology & Society 7(4): 26-28 (2004)

Giancarlo Guizzardi, Gerd Wagner: Towards Ontological Foundations for Agent Modelling Concepts Using the Unified Fundational Ontology (UFO). AOIS 2004: 110-124

Giancarlo Guizzardi, Gerd Wagner, Nicola Guarino, Marten van Sinderen: An Ontologically Well-Founded Profile for UML Conceptual Models. CAiSE 2004: 112-126

Giancarlo Guizzardi, Gerd Wagner: A Unified Foundational Ontology and some Applications of it in Business Modeling. CAiSE Workshops (3) 2004: 129-143

Giancarlo Guizzardi, Gerd Wagner: On the ontological foundations of agent concepts. CAiSE Workshops (2) 2004: 265-279

Giancarlo Guizzardi, Gerd Wagner, Heinrich Herre: On the Foundations of UML as an Ontology Representation Language. EKAW 2004: 47-62

Gerd Wagner, Kuldar Taveter: Towards Radical Agent-Oriented Software Engineering Processes Based on AOR Modeling. IAT 2004: 509-512

Grigoris Antoniou, Antonis Bikakis, Gerd Wagner: A Defeasible Logic Programming System for the Web. ICTAI 2004: 756-757

Lora Aroyo, Darina Dicheva, Peter Brusilovsky, Paloma Díaz, Vania Dimitrova, Erik Duval, Jim E. Greer, Tsukasa Hirashima, Heinz Ulrich Hoppe, Geert-Jan Houben, Mitsuru Ikeda, Judy Kay, Kinshuk, Erica Melis, Tanja Mitrovic, Ambjörn Naeve, Ossi Nykänen, Gilbert Paquette, Simos Retalis, Demetrios G. Sampson, Katherine M. Sinitsa, Amy Soller, Steffen Staab, Julita Vassileva, Felisa Verdejo, Gerd Wagner: Workshop on Applications of Semantic Web Technologies for E-learning p. Intelligent Tutoring Systems 2004: 912

Grigoris Antoniou, Antonis Bikakis, Gerd Wagner: A System for Nonmonotonic Rules on the Web. RuleML 2004: 23-36

Gerd Wagner, Grigoris Antoniou, Said Tabet, Harold Boley: The Abstract Syntax of RuleML - Towards a General Web Rule Language Framework. Web Intelligence 2004: 628-631

Giancarlo Guizzardi, Gerd Wagner, Marten van Sinderen: A Formal Theory of Conceptual Modeling Universals. WSPI 2004

Jens Dietrich, Alexander Kozlenkov, Michael Schroeder, Gerd Wagner: Rule-based agents for the semantic web. Electronic Commerce Research and Applications 2(4): 323-338 (2003)

Ian Horrocks, Jürgen Angele, Stefan Decker, Michael Kifer, Benjamin N. Grosof, Gerd Wagner: Where Are the Rules? IEEE Intelligent Systems 18(5): 76-83 (2003)

Gerd Wagner: The Agent-Object-Relationship metamodel: towards a unified view of state and behavior. Inf. Syst. 28(5): 475-504 (2003)

Renata S. S. Guizzardi, Lora Aroyo, Gerd Wagner: Agent-Oriented Knowledge Management in Learning Environments: A Peer-to-Peer Helpdesk Case Study. AMKM 2003: 57-72

Gerd Wagner: AOR Modelling and Simulation: Towards a General Architecture for Agent-Based Discrete Event Simulation. AOIS 2003: 174-188

Gerd Wagner, Florin Tulba: Agent-Oriented Modeling and Agent-Based Simulation. ER (Workshops) 2003: 205-216

Terry A. Halpin, Gerd Wagner: Modeling Reactive Behavior in ORM. ER 2003: 567-569

Gerd Wagner: Web Rules Need Two Kinds of Negation. PPSWR 2003: 33-50

Grigoris Antoniou, Gerd Wagner: Rules and Defeasible Reasoning on the Semantic Web. RuleML 2003: 111-120

Michael Schroeder, Gerd Wagner (Eds.): Rules and Rule Markup Languages for the Semantic Web, Second International Workshop, RuleML 2003, Sanibel Island, FL, USA, October 20, 2003, Proceedings. Lecture Notes in Computer Science 2876, Springer 2003, isbn 3-540-20361-3

Gerd Wagner: A UML Profile for External Agent-Object-Relationship (AOR) Models. AOSE 2002: 138-149

Giancarlo Guizzardi, Heinrich Herre, Gerd Wagner: Towards Ontological Foundations for UML Conceptual Models. CoopIS/DOA/ODBASE 2002: 1100-1117

Giancarlo Guizzardi, Heinrich Herre, Gerd Wagner: On the General Ontological Foundations of Conceptual Modeling. ER 2002: 65-78

Gerd Wagner: How to Design a General Rule Markup Language? XSW 2002: 19-37

Paolo Giorgini, Yves Lespérance, Gerd Wagner, Eric S. K. Yu (Eds.): AOIS '02, Agent-Oriented Information Systems, Proceedings of the Fourth International Bi-Conference Workshop on Agent-Oriented Information Systems (AOIS-2002 at CAiSE*02). CEUR Workshop Proceedings 57, CEUR-WS.org 2002

Paolo Giorgini, Yves Lespérance, Gerd Wagner, Eric S. K. Yu (Eds.): AOIS '02, Agent-Oriented Information Systems, Proceedings of the Fourth International Bi-Conference Workshop on Agent-Oriented Information Systems (AOIS-2002 at AAMAS*02). CEUR Workshop Proceedings 59, CEUR-WS.org 2002

Michael Schroeder, Gerd Wagner (Eds.): RuleML 2002, Proceedings of the International Workshop on Rule Markup Languages for Business Rules on the Semantic Web, 14 June 2002, Sardinia, Italy (In conjunction with the First International Semantic Web Conference ISWC2002 and hosted by SIG2 of the OntoWeb Network. CEUR Workshop Proceedings 60, CEUR-WS.org 2002

Yves Lespérance, Gerd Wagner, William P. Birmingham, Kurt D. Bollacker, Alexander Nareyek, J. Paul Walser, David W. Aha, Timothy W. Finin, Benjamin N. Grosof, Nathalie Japkowicz, Robert Holte, Lise Getoor, Carla P. Gomes, Holger H. Hoos, Alan C. Schultz, Miroslav Kubat, Tom M. Mitchell, Jörg Denzinger, Yolanda Gil, Karen L. Myers, Claudio Bettini, Angelo Montanari: AAAI 2000 Workshop Reports. AI Magazine 22(1): 127-136 (2001)

Kuldar Taveter, Gerd Wagner: A Multi-perspective Methodology for Modelling Inter-enterprise Business Processes. ER (Workshops) 2001: 403-416

Kuldar Taveter, Gerd Wagner: Agent-Oriented Enterprise Modeling Based on Business Rules. ER 2001: 527-540

Harold Boley, Said Tabet, Gerd Wagner: Design Rationale for RuleML: A Markup Language for Semantic Web Rules. SWWS 2001: 381-401

Michael Schroeder, Gerd Wagner: Vivid Agents: Theory, Architecture, and Applications. Applied Artificial Intelligence 14(7): 645-675 (2000)

Gerd Wagner: Agent-Oriented Analysis and Design of Enterprise Information Systems. ICEIS 2000: 85-89

Gerd Wagner: Understanding the Enterprise Information System Technology. ICEIS 2000: IS 37-38

Gerd Wagner: Foundations of Knowledge Systems: with Applications to Databases and Agents. Advances in Database Systems 13, Kluwer 1998, isbn 978-1-4615-5723-4, pp. 3-262

Heinrich Herre, Gerd Wagner: Stable Models Are Generated by a Stabel Chain. J. Log. Program. 30(2): 165-177 (1997)

Michael Schroeder, Gerd Wagner: Distributed Diagnosis by Vivid Agents. Agents 1997: 268-275

Gerd Wagner: Multi-Level Security in Multiagent Systems. CIA 1997: 272-285

Gerd Wagner: Practical Theory and Theory-Based Practice. ATAL 1996: 67-69

Heinrich Herre, Gerd Wagner: Stable Semantics of Temporal Deductive Databases. DDLP 1996: 95-106

Gerd Wagner: Logics Based on Knowledge Representation Systems. Logic, Action, and Information 1996: 415-446

Gerd Wagner: A Logical and Operational Model of Scalable Knowledge- and Perception-Based Agents. MAAMAW 1996: 26-41

Gerd Wagner: From information systems to knowledge systems. ISCO 1995: 179-194

Gerd Wagner: Vivid Logic: Knowledge-Based Reasoning with Two Kinds of Negation. Lecture Notes in Computer Science 764, Springer 1994, isbn 3-540-57604-5

Gerd Wagner: Transforming Deductive into Active Databases. WLP 1994: 69-72

Gerd Wagner: Neutralization and Preemtion in Extended Logic Programs. LPAR 1993: 333-344

Gerd Wagner: Reasoning with Inconsistency in Extended Deductive Databases. LPNMR 1993: 300-315

David Pearce, Gerd Wagner (Eds.): Logics in AI, European Workshop, JELIA '92, Berlin, Germany, September 7-10, 1992, Proceedings. Lecture Notes in Computer Science 633, Springer 1992, isbn 3-540-55887-X

Gerd Wagner: Logic Programming with Strong Negation and Inexact Predicates. J. Log. Comput. 1(6): 835-859 (1991)

Gerd Wagner: Ex contradictione nihil sequitur. IJCAI 1991: 538-546

Gerd Wagner: Vivid Logic and Directly Skeptical Inheritance. GWAI 1991: 157-166

Gerd Wagner: A Database Needs Two Kinds of Negation. MFDBS 1991: 357-371

Gerd Wagner: Lindenbaum-Algebraic Semantics of Logic Programs. Nonclassical Logics and Information Processing 1990: 80-91

David Pearce, Gerd Wagner: Logic Programming with Strong Negation. ELP 1989: 311-326