Business process execution language for web services

processes are rarely used. The most common scenario is to use them as a template to define executable processes. Abstract processes can be used to replace sets of rules usually expressed in natural language, which is often ambiguous. In this book, we will first focus on executable processes and come back to abstract processes in Chapter 4. 21 This material is copyright and is licensed for the sole use by Encarnacion Bellido on 20th February 2006 Via Alemania, 10, bajos, , Palma de Mallorca, Baleares, 07006