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Halle, Germany
Nov. 26, 2007 to Nov. 28, 2007
ISBN: 0-7695-3044-3
pp: 139-148
ABSTRACT
Web service discovery requires matching techniques for comparing and selecting web service descriptions based on user constraints. Semantic-based approaches achieve higher recall than other approaches (such as syntax-based approaches), because they employ ontological reasoning mechanisms to match syntactically heterogeneous descriptions. However, existing semantic-based approaches are not scalable as they perform an exhaustive search to locate composite services that conform to global constraints. This paper proposes a semantic-based matching technique that locates composite services. It relates attributes of services to a common attribute to ensure that they have the same scope. This enables the assigned values to be compared and evaluated against a given global constraint. Conforming composite services are located in polynomial time with a three-dimensional data structure that indexes services based on their types, attributes and the assigned values. Simulation results indicate that the proposed approach achieves higher recall than syntax-based approaches and is more scalable than existing semantic-based approaches.
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CITATION
Nalaka Gooneratne, Zahir Tari, James Harland, "Matching Strictly Dependent Global Constraints for Composite Web Services", ECOWS, 2007, Web Services, European Conference on, Web Services, European Conference on 2007, pp. 139-148, doi:10.1109/ECOWS.2007.7
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