O. Kopp, R. Khalaf, and F. Leymann. Proceedings of the International Conference on Services Computing, SCC 2008, page 367--376. Honolulu, Hawaii, USA, IEEE Computer Society Press, (July 2008)
A. da Silva, P. Hirmer, U. Breitenbücher, O. Kopp, and B. Mitschang. Web Engineering - 18th International Conference, ICWE 2018, Cáceres, Spain, June 5-8, 2018, Proceedings, volume 10845 of Lecture Notes in Computer Science, page 333--348. Springer, (2018)
O. Kopp, T. Binz, U. Breitenbücher, and F. Leymann. 4th International Workshop on the Business Process Model and Notation, volume 125 of Lecture Notes in Business Information Processing, page 38--52. Springer, (September 2012)
O. Kopp, L. Engler, T. van Lessen, F. Leymann, and J. Nitzsche. Subject-Orientation as Enabler for the Next Generation of BPM Tools and Methods - Second International Conference S-BPM ONE 2010, volume 138 of Communications in Computer and Information Science, page 36--53. Springer, (January 2011)
O. Kopp, F. Leymann, D. Schumm, and T. Unger. Proceedings of the 3rd Central-European Workshop on Services and their Composition (ZEUS 2011), volume 705 of CEUR Workshop Proceedings, page 58--64. CEUR-WS.org, (March 2011)
B. Wetzstein, D. Karastoyanova, O. Kopp, F. Leymann, and D. Zwink. Proceedings of the 25th Annual ACM Symposium on Applied Computing (SAC 2010); Sierre, Switzerland, 21-26 March, 2010, page 2485--2490. ACM, (March 2010)
O. Kopp, T. Binz, U. Breitenbücher, and F. Leymann. Proceedings of 11th International Conference on Service-Oriented Computing (ICSOC'13), volume 8274 of LNCS, page 700--704. Springer Berlin Heidelberg, (December 2013)
A. Bader, and O. Kopp. Proceedings of the 11th Advanced Summer School on Service Oriented Computing, volume RC25670 (WAT1710-015) of IBM Research Report, page 53--5456. IBM Research Report, (October 2017)
M. Wieland, O. Kopp, D. Nicklas, and F. Leymann. CAiSE\'07 Proceedings of the Workshops and Doctoral Consortium Vol.2, Trondheim, Norway, June 11-15th, 2007, page 577--591. Tapir Acasemic Press, (June 2007)
O. Kopp, and F. Leymann. Proceedings of the 1st Central-European Workshop on Services and their Composition, ZEUS 2009, Stuttgart, Germany, March 2--3, 2009, volume 438 of CEUR Workshop Proceedings, page 68--73. Stuttgart, CEUR-WS.org, (March 2009)
U. Breitenbücher, T. Binz, O. Kopp, and F. Leymann. Proceedings of the 3rd International Conference on Cloud Computing and Service Science, CLOSER 2013, SciTePress Digital Library, (May 2013)