Domain-and-theme-oriented Web service clustering method

A clustering method and web service technology, which is applied in the field of domain theme-oriented web service clustering, can solve problems such as not considering the characteristics of the web service domain, affecting clustering accuracy, and affecting clustering performance

Active Publication Date: 2013-01-02
WUHAN UNIV
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AI Technical Summary

Problems solved by technology

However, the current Web service clustering methods have the following problems: (1) Most Web service clustering methods are based on similarity measures and specific thresholds, and the selection of thresholds is often difficult and will affect the clustering accuracy; moreover, similarity The setting of weight parameters in different aspects during degree calculation will also affect the clustering performance to a certain extent;

Method used

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  • Domain-and-theme-oriented Web service clustering method
  • Domain-and-theme-oriented Web service clustering method
  • Domain-and-theme-oriented Web service clustering method

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Embodiment

[0055] At first introduce the concrete operation method of the present invention:

[0056] A kind of Web service clustering method of the present invention facing domain subject, concrete steps are as follows:

[0057] Step 1, collect the Web service description documents, preprocess the collected documents, obtain the keywords in the Web service description documents required by the user, and count the occurrence times of each keyword in the Web service description documents in the document statistics. The Web service description document comes from an accessible Web service registry or Web service portal;

[0058] Step 2, use iterative support vector machine to perform domain-oriented classification on the Web services that have completed step 1, until the first K keywords in the classification domain vocabulary ranking table remain unchanged, the classification ends; the initial classification domain vocabulary according to the The word frequencies of different keywords i...

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Abstract

The invention relates to a domain-and-theme-oriented Web service clustering method, which comprises the following steps of: 1, collecting a Web service description document, and preprocessing the collected document; 2, performing domain-oriented classification on a Web service by an iterative supporting vector machine; and 3, and performing theme-oriented clustering on the Web service in a specific domain by using a probability-based Web service clustering method. The domain-and-theme-oriented service clustering method has the beneficial effects that 1) the Web service can be clustered, whichis described by a web service description language (WSDL) mode, an ontology Web language for services (OWL-S) mode, a text mode and the like, and relatively high generality is realized; 2) relativelyhigh efficiency is achieved; 3) the Web service is clustered on the basis of domain-oriented classification, and compared with the method for directly clustering the Web service, the method is relatively high in clustering accuracy; and 4) the Web service clustering result can be used in Web service finding and Web service combination and can be used for Web service recommendation, and the methodis wide in applicability.

Description

technical field [0001] The invention belongs to the technical field of service computing, and in particular relates to a domain subject-oriented Web service clustering method. Background technique [0002] The rapid development of the Internet has promoted the organic integration of the network and software, and the development of software services on the Internet has become increasingly popular. Its main feature is to publish the functions of software components in the form of Web services to promote software reuse among heterogeneous platforms, or to deliver software to users in the form of Web services. With the development of Service-Oriented Architecture (Service-Oriented Architecture, SOA) and Software as a Service (Software as a Service, SaaS) technology, service-oriented software development is gradually becoming the mainstream trend of software development on the Internet. Under this trend, the scale of Web services on the Internet is showing a trend of rapid growt...

Claims

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Application Information

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IPC IPC(8): G06F17/30
Inventor 何克清李征王健张能李昭
Owner WUHAN UNIV
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