Boualem Benatallah, Fabio Casati, Farouk Toumani, Rachid Hamadi. Conceptual Modeling of Web Service Conversations. In Johann Eder, Michele Missikoff, editors, Advanced Information Systems Engineering, 15th International Conference, CAiSE 2003, Klagenfurt, Austria, June 16-18, 2003, Proceedings. Volume 2681 of Lecture Notes in Computer Science, pages 449-467, Springer, 2003. [doi]