Paper:
Language: English:
Algorithm for Web Service Discovery Based on Information Retrieval Using WordNet and Linear Discriminant Functions
Ricardo Sotolongo, Carlos Kobashikawa, Fangyan Dong,
and Kaoru Hirota
Department of Computational Intelligence and Systems Science, Tokyo Institute of Technology, G3-49, 4259 Nagatsuta, Midori-ku, Yokohama 226-8502, Japan
Received: November 12, 2007
Accepted: December 3, 2007
Keywords: information retrieval, linear discriminant function, web service, web service discovery
Journal ref: Journal of Advanced Computational Intelligence and Intelligent Informatics, Vol.12, No.2 pp. 182-189, 2008
Abstract
An algorithm based on information retrieval that applies the lexical database WordNet together with a linear discriminant function is proposed. It calculates the degree of similarity between words and their relative importance to support the development of distributed applications based on web services. The algorithm uses the semantic information contained in the Web Service Description Language specifications and ranks web services based on their similarity to the one the developer is searching for. It is applied to a set of 48 real web services in five categories, then compared them to four other algorithms based on information retrieval, showing an averaged improvement over all data between 0.6% and 1.9% in precision and 0.7% and 3.1% in recall for the top 15 ranked web services.
The objective was to reduce the burden and time spent searching web services during the development of distributed applications, and it can be used as an alternative to current web service discovery systems such as brokers in the Universal Description, Discovery, and Integration (UDDI) platform.
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