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Semantic-net-based Web service discovery method and system

A discovery method and web service technology, applied in the field of web service discovery method and system based on semantic web, can solve the problem of not supporting service selection, not considering service category matching service non-functional matching, and unable to distinguish the relative matching degree of web services. and other problems, to achieve the effect of improving the precision and recall, and of great application significance.

Inactive Publication Date: 2013-12-25
SHANDONG NORMAL UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The elastic matching algorithm can only divide the service matching results into four levels, but still cannot distinguish the relative matching degree of two Web services belonging to the same level
[0012] 2) It only matches the concept of input and output parameters of the service, without considering the category matching of the service and the non-functional matching of the service
The algorithm does not support service selection based on quality constraints, and cannot fully meet user search requirements

Method used

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  • Semantic-net-based Web service discovery method and system
  • Semantic-net-based Web service discovery method and system
  • Semantic-net-based Web service discovery method and system

Examples

Experimental program
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Embodiment 1

[0044] figure 2 It is a flow chart of the Semantic Web-based Web service discovery method described in this embodiment, which is used to search published Web service advertisements for a service advertisement matching the service request according to a specific Web service request. Such as figure 2 As shown, the method described in this embodiment includes the following steps:

[0045] S101. Traverse published service advertisements.

[0046] In order to reduce the blindness of service search, you can select a range in advance, and then only traverse the service advertisements published in this range, so as to improve search efficiency and response speed.

[0047] S102. For each service advertisement, respectively calculate the service category similarity, service function similarity, and service quality similarity between the current service advertisement and the service request.

[0048] Based on the Semantic Web model, the present invention performs service matching in...

Embodiment 2

[0104] According to the same idea, the present invention also proposes a Web service discovery system based on Semantic Web, such as Figure 4 As shown, the system 400 is used to search published Web service advertisements for a service advertisement matching the service request according to a specific Web service request, and the system 400 includes:

[0105] Traversing module 401, traversing published service advertisements;

[0106] In order to reduce the blindness of service search, you can select a range in advance, and then only traverse the service advertisements published in this range, so as to improve search efficiency and response speed.

[0107] The first calculation module 402 calculates the service category similarity, service function similarity, and service quality similarity between the current service advertisement and the service request for each service advertisement;

[0108] Based on the Semantic Web model, the present invention performs service matching...

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Abstract

The invention discloses a semantic-net-based Web service discovery method and system for searching service advertisements matched with a service request in issued Web service advertisements according to the special Web service request. The method comprises the following steps: S101, traversing the issued service advertisements; S102, respectively calculating the COS (Class of Service) similarity, the service function similarity and the QOS (Quality of Service) similarity between current service advertisements and the service request according to all the service advertisements; S103, calculating the comprehensive similarity between the current service advertisements and the service request according to the COS similarity, the service function similarity and the QOS similarity as well as weights thereof, wherein the comprehensive similarity is taken as the similarity of the current service advertisements and the service request; and S104, after traversing, selecting the service advertisement, which is most similar to the service request, as the service advisement matched with the service request. According to the invention, the precision ratio and the recall ratio of service discovery are effectively improved.

Description

technical field [0001] The invention relates to the technical field of information network, in particular to a method and system for discovering Web services based on Semantic Web. Background technique [0002] The application of information management system based on computer technology is becoming more and more widespread. It has become a development trend in enterprises to highly integrate various independent operating systems and provide a unified management and control platform. In response to this demand, various manufacturers have released the access interface of the external advertising system in the form of Web services. How to discover services that meet the requirements from numerous Web services has become one of the hot issues in the field of system integration research. The traditional method is to issue and search service advertisements through the UDDI mechanism. [0003] The traditional UDDI-based Web service discovery method searches for service informatio...

Claims

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Application Information

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IPC IPC(8): G06Q30/02
Inventor 何瑞科邓伟芦增辉史郁文王普聂琪李琨王晓菲
Owner SHANDONG NORMAL UNIV
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