NDLI: Automatic Message Flow Analyses for Web Services Based on WSDL

Content Provider	IEEE Xplore Digital Library
Author	Li Li Wu Chou
Copyright Year	2007
Description	Author affiliation: Avaya Inc., Ridge (Li Li; Wu Chou)
Abstract	This paper describes an approach to discover and verify two fundamental relationships in web service message exchange flow patterns, i.e. support and correlate, based on the abstract WSDL specification of the service operations. Compared to methods used in previous studies, this approach is a significant improvement in that flow chain relations can be discovered and identified based on flexible and inexact match of XML Schemas using differential information in plain WSDL and XML Schema files. This approach is also efficient and extensible as it is based on a tree model of schemas and modular node equivalence rules. Pilot experiments on some web services standards, e.g. WS-Session, WS- Eventing, Parley X, etc., indicated that the proposed method is accurate and effective in identifying the message flow dependencies and related issues in service descriptions. The derived flow pattern relations can be represented as Petri nets that have some practical applications for web service verification, implementation and consumption.
Starting Page	880
Ending Page	887
File Size	843651
Page Count	8
File Format	PDF
ISBN	0769529240
DOI	10.1109/ICWS.2007.53
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-07-09
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Web services XML Pattern analysis Merging Petri nets Uncertainty
Content Type	Text
Resource Type	Article

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