A Standard-Driven Implementation of WS-BPEL 2.0

The authors present a systematic study of the WS-BPEL 2.0 standard based on two complementary methods: the process of constructing a new high-level WS-BPEL implementation driven by the structure of the standard, and an empirical evaluation of existing interpretations of the standard reflected in five widely available WS-BPEL-implementations, both commercial and open source. In doing so they uncover a number of new ambiguities. Most notably, WS-BPEL's integration of XPath 1.0, the data access component of WS-BPEL, turns out to be inconsistent with the XPath standard itself, which is evidenced by substantially differing results produced by existing implementations on test cases constructed to exercise their interpretation.

Provided by: University of Connecticut Topic: Big Data Date Added: Mar 2010 Format: PDF

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