Overview

• Article in Journal
• Article in Proceedings (Conference paper)
• Article in Proceedings (Workshop paper)
• Technical Report
• Doctoral Thesis
• Diploma Thesis
• Student Thesis
• Student Report Software Engineering

Year 2009

• Decker, Gero; Kopp, Oliver; Leymann, Frank; Weske, Mathias: Interacting services: from specification to execution. In: Data & Knowledge Engineering. Vol. 68(10), Elsevier Science Publishers, 2009.
• Kopp, Oliver; Martin, Daniel; Wutke, Daniel; Leymann, Frank: The Difference Between Graph-Based and Block-Structured Business Process Modelling Languages. In: Ulrich Frank (ed.): Enterprise Modelling and Information Systems. Vol. 4(1), Duisburg: Gesellschaft für Informatik e.V. (GI), 2009.

Year 2008

• Decker, Gero; Kopp, Oliver; Barros, Alistair: An Introduction to Service Choreographies. In: Information Technology. Vol. 50(2), 2008, Oldenbourg Verlag.
• Khalaf, Rania; Kopp, Oliver; Leymann, Frank: Maintaining Data Dependencies Across BPEL Process Fragments. In: International Journal of Cooperative Information Systems (IJCIS). Vol. 17(3), World Scientific, 2008.
• Kopp, Oliver; Leymann, Frank: Choreography Design Using WS-BPEL. In: Lohmet, David B. (ed.): Bulletin of the IEEE Computer Society Technical Committee on Data Engineering. Vol. 31(3), IEEE Computer Society Press, 2008.

Year 2009

• Wieland, Matthias; Martin, Daniel; Kopp, Oliver; Leymann, Frank: SOEDA: A Methodology for Specification and Implementation of Applications on a Service-Oriented Event-Driven Architecture. In: Abramowicz, Witold (ed.): Proceedings of the 12th International Conference on Business Information Systems (BIS 2009). Poznan, Poland April 27-29, 2009.
• Bischof, Marc; Kopp, Oliver; van Lessen, Tammo; Leymann, Frank: BPELscript: A Simplified Script Syntax for WS-BPEL 2.0. In: 2009 35th Euromicro Conference on Software Engineering and Advanced Applications (SEAA 2009).
• Kopp, Oliver; Mietzner, Ralph; Leymann, Frank: The Influence of an External Transaction on a BPEL Scope. In: Meersman, R. (ed.); Dillon, T. (ed.); Herrero, P. (ed.): CoopIS 2009 (OTM 2009).

Year 2008

• Decker, Gero; Kopp, Oliver; Leymann, Frank; Pfitzner, Kerstin; Weske, Mathias: Modeling Service Choreographies using BPMN and BPEL4Chor. In: Proceedings of the 20th International Conference on Advanced Information Systems Engineering (CAiSE '08), 2008.
• Kopp, Oliver; Khalaf, Rania; Leymann, Frank: Deriving Explicit Data Links in WS-BPEL Processes. In: Proceedings of the International Conference on Services Computing, SCC 2008.
• Kopp, Oliver; Martin, Daniel; Wutke, Daniel; Leymann, Frank: On the Choice Between Graph-Based and Block-Structured Business Process Modeling Languages. In: Modellierung betrieblicher Informationssysteme (MobIS 2008). Saarbrücken, Germany, November 27 - 28, 2008.

Year 2007

• Decker, Gero; Kopp, Oliver; Leymann, Frank; Weske, Mathias: BPEL4Chor: Extending BPEL for Modeling Choreographies. In: IEEE Computer Society (ed.): Proceedings of the IEEE 2007 International Conference on Web Services (ICWS 2007), Salt Lake City, Utah, USA, July 2007.
• Khalaf, Rania; Kopp, Oliver; Leymann, Frank: Maintaining Data Dependencies Across BPEL Process Fragments. In: Krämer, Bernd J. (ed.); Lin, Kwei-Jay (ed.); Narasimhan, Priya (ed.): Service-Oriented Computing - ICSOC 2007.

Year 2009

• Kopp, Oliver; Wieland, Matthias; Leymann, Frank: Towards Choreography Transactions. In: Kopp, Oliver (ed.); Lohmann, Niels (ed.): Proceedings of the 1st Central-European Workshop on Services and their Composition, ZEUS 2009, Stuttgart, Germany, March 2--3, 2009.
• Kopp, Oliver; Leymann, Frank: Do We Need Internal Behavior in Choreography Models?. In: Kopp, Oliver (ed.); Lohmann, Niels (ed.): Proceedings of the 1st Central-European Workshop on Services and their Composition, ZEUS 2009, Stuttgart, Germany, March 2--3, 2009.
• Kopp, Oliver; Wieland, Matthias; Leymann, Frank: External and Internal Events in EPCs: e2EPCs. In: 2nd International Workshop on Event-Driven Business Process Management (edBPM09), 2009.

Year 2008

• Kopp, Oliver; van Lessen, Tammo; Nitzsche, Jörg: The Need for a Choreography-aware Service Bus. In: YR-SOC 2008.
• Lohmann, Niels; Kopp, Oliver: Tools4BPEL4Chor. In: YR-SOC 2008.
• Kopp, Oliver; Wetzstein, Branimir; Mietzner, Ralph; Pottinger, Stefan; Karastoyanova, Dimka; Leymann, Frank: A Model-Driven Approach to Implementing Coordination Protocols in BPEL. In: 1st International Workshop on Model-Driven Engineering for Business Process Management (MDE4BPM 2008).

Year 2007

• Decker, Gero; Kopp, Oliver; Puhlmann, Frank: Service Referrals in BPEL-based Choreographies. In: Gorton, Stephen (ed.); Solanki, Monika (ed.); Reiff-Marganiec, Stephen (ed.): Proceedings of the 2nd European Young Researchers Workshop on Service Oriented Computing (YR-SOC 2007).
• Kopp, Oliver; Eberle, Hanna; Leymann, Frank; Unger, Tobias: From Process Models to Business Landscapes. In: Nüttgens, Markus (ed.); Rump, Frank J. Rump (ed.); Gadatsch, Andreas (ed.): EPK 2007: Geschäftsprozessmanagement mit Ereignisgesteuerten Prozessketten.
• Lohmann, Niels; Kopp, Oliver; Leymann, Frank; Reisig, Wolfgang: Analyzing BPEL4Chor: Verification and Participant Synthesis. In: Dumas, Marlon (ed.); Heckel, Reiko (ed.): Web Services and Formal Methods, Forth International Workshop, WS-FM 2007 Brisbane, Australia.
• Pfitzner, Kerstin; Decker, Gero; Kopp, Oliver; Leymann, Frank: Web Service Choreography Configurations for BPMN. In: di Notto, E. (ed.); Ripeanu, M. (ed.): Proceedings of the 3rd International Workshop on Engineering Service-Oriented Application (WESOA'2007).

Year 2006

• Kopp, Oliver; Unger, Tobias; Leymann, Frank: Nautilus Event-driven Process Chains: Syntax, Semantics, and their mapping to BPEL. In: Nüttgens, M. (ed.); Rump, F.J. (ed.); Mendling, J. (ed.): Proceedings of the 5th GI Workshop on Event-Driven Process Chains (EPK 2006).
• Kopp, Oliver; Frenkler, Carsten; Lohmann, Niels: Korrektheit und Zuverlässigkeit zusammengesetzter Web Services am Beispiel der Geschäftsprozess-Modellierungssprache BPEL. In: DLR e.V. (ed.): Forschungsoffensive "Software Engineering 2006" Statuskonferenz 26.-28. Juni 2006.

Year 2009

• Iron, Rolf; Kopp, Oliver; Leiner, Andreas; Leymann, Frank; Massuthe, Peter: Abschlussbericht des Verbundprojekts Tools4BPEL, Technical Report No. 2009/01.

Year 2008

• Kopp, Oliver; Wetzstein, Branimir; Mietzner, Ralph; Unger, Tobias; Pottinger, Stefan; Karastoyanova, Dimka; Michael, Sabine; Leymann, Frank: A Model-Driven Approach to Implementing Coordination Protocols in BPEL, Technical Report No. 2008/02.
• Kopp, Oliver; Mietzner, Ralph; Leymann, Frank: Abstract Syntax of WS-BPEL 2.0, Technical Report No. 2008/06.
• Reimann, Peter; Kopp, Oliver; Decker, Gero; Leymann, Frank: Generating WS-BPEL 2.0 Processes from a Grounded BPEL4Chor Choreography, Technical Report No. 2008/07.
• Wieland, Matthias; Martin, Daniel; Kopp, Oliver; Leymann, Frank: Events Make Workflows Really Useful, External Technical Report, 2008.

Year 2007

• Kopp, Oliver; Khalaf, Rania; Leymann, Frank: Reaching Definitions Analysis Respecting Dead Path Elimination Semantics in BPEL Processes, Technical Report No. 2007/04.

Year 2016

• Kopp, Oliver: Partnerübergreifende Geschäftsprozesse und ihre Realisierung in BPEL, Doctoral Thesis, 2016.

Year 2009

• Bischof, Marc: Modeling and Runtime Support of Faults in Interaction Choreography Models, Diploma Thesis No. 2885, 2009.

Year 2008

• Breier, Sebastian: Extended Data-flow Analysis on BPEL Processes, Diploma Thesis No. 2726, 2008.
• Fuentetaja Abad, Pablo: Fault Handling Across the Web Services Stack, Diploma Thesis No. 2728, 2008.
• Steinmetz, Thomas: Ein Event-Modell für WS-BPEL 2.0 und dessen Realisierung in Apache ODE, Diploma Thesis No. 2729, 2008.

Year 2007

• Bischoff, Georg: Autonomie von Geschäftsprozessen: Beschreibung & Umsetzung, Diploma Thesis No. 2536, 2007.
• Ruf, Fabian: Fault handling in BPEL-based choreographies, Diploma Thesis No. 2598, 2007.
• Pfitzner, Kerstin: Choreography Configuration for BPMN, Diploma Thesis No. 2618, 2007.
• Schurr, Bastian: Analyse von XPath-Ausdrücken in BPEL-Prozessbeschreibungen, Diploma Thesis No. 2687, 2007.

Year 2006

• Kipp, Alexander: Ablösung von WS-CDL durch BPEL und WSFL Global Model, Diploma Thesis No. 2379, 2006.
• Ma, Zhilei: WS-Policy Editor - Ein Werkzeug zum Editieren, Normalisieren, Verschmelzen und Schneiden von Web-Services-Policies, Diploma Thesis No. 2405, 2006.
• Bacher, Andreas: Choreografie von Geschäftsprozessen: Beschreibung und Werkzeugunterstützung, Diploma Thesis No. 2486, 2006.

Year 2008

• Bischof, Marc: Translating WS-BPEL 2.0 to BPELscript and Vice Versa, Student Thesis No. 2175, 2008.

Year 2007

• Reimann, Peter: Generating BPEL Processes from a BPEL4Chor Description, Student Thesis No. 2100, 2007.
• Steinmetz, Thomas: Generierung einer BPEL4Chor-Beschreibung aus BPEL-Prozessen, Student Thesis No. 2101, 2007.

Year 2005

• Hildebrandt, Ingo; Wagner, Marc; Stützner, Carsten: Evaluierung verschiedener Szenarien zur Anwendung von BPEL und WS-CDL, Student Report Software Engineering No. 48, 2005.