1. IBM, et al.: Business Process Execution Language for Web Services version 1.1. (2002), cited; available from:
http://www-128.ibm.com/developerworks/library/specification/ws-bpel/
2. Lo, E., et al.: WSIPL: An XML Scripting Language for Integrating Web Service Data and Applications. In: Web Intelligence and Agent Systems (WIAS) (2005) (to appear)
3. Draft Federal Information Processing Standards Publication 183, Standard for integration definition for function Modeling (IDEF0), National Institute of Standards and Technology (NIST) (1993)
4. Storrle, H.: Semantics and Verification of Data-Flow in UML 2.0 Activities. In: Proc. Intl. Ws. on Visual Languages and Formal Methods (VLFM 2004), Rome, Italy (2004)
5. Karakostas, B., Zorgios, Y., Alevizos, C.C.: Automatic derivation of BPEL4WS from IDEF0 process models. Journal of Software & System Modeling (2006) (to appear)