A Method for Selecting Trusted Web Services Based on Qualitative and Quantitative User Preferences

A web service and user technology, applied in the computer field, can solve the problems of lack of knowledge of service execution environment and difficulty in service selection

Active Publication Date: 2017-02-01
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Conceptually, service selection is difficult because we are faced with an open environment: we may not be able to trust the service or the service provider because we lack knowledge of the service execution environment

Method used

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  • A Method for Selecting Trusted Web Services Based on Qualitative and Quantitative User Preferences
  • A Method for Selecting Trusted Web Services Based on Qualitative and Quantitative User Preferences
  • A Method for Selecting Trusted Web Services Based on Qualitative and Quantitative User Preferences

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Embodiment Construction

[0037] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0038] For the sake of simplicity, assuming that the historical services of the current user U are h1, h2, h3, the best service needs to be selected from c1, c2, c3

[0039] The concrete steps of the inventive method are:

[0040] a) Calculating Qualitative Preference Similarity

[0041] a1) Describe the user's qualitative preference with a conditional preference network (cp-net), such as figure 1 , attribute A indicates the preference for the platform, attribute B indicates the preference for the address, > indicates that the attribute value on the left is better than the attribute value on the right. relationship, see figure 2 .

[0042] a2) Perform topological sorting on the preference attribute set: after expressing the relationship between the preference attribute sets with a directed graph, perform topological sorting (each time a p...

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Abstract

The invention discloses a method for selecting credible web services based on qualitative quantitative user preference. First qualitative preference similarity and quantitative preference similarity of a user U and other users are calculated, then different weights of the users Uj are calculated, finally the weights of all the web services are sorted, and the web service with the highest weight is selected and provided for the user U. According to the method for selecting credible web services based on the qualitative quantitative user preference, the preference of the users is combined with the credibility of the services in the service selection process, so that a result with high quality is obtained under the extreme conditions of the users.

Description

technical field [0001] The invention belongs to the field of computers and relates to a method for qualitatively and quantitatively selecting trusted Web services. Background technique [0002] As the number of web services on the Internet grows, it becomes more and more difficult to choose the best service to meet the user's needs. Among these services that provide similar functions, the premise of selecting the best service is that we must take a series of non-functional attributes (NFPs) into consideration. In order to be able to effectively select services, we need an intelligent algorithm based on user preferences and service trust. [0003] Service providers describe their services through Web standards, such as WSDL, and then publish them to a public library, such as UDDI, and then users use a transport protocol, such as SOAP, to invoke services. But the rapid growth of Web services with similar functions requires a lot of manpower to select the corresponding servic...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
CPCG06F16/907
Inventor 王红兵俞超
Owner SOUTHEAST UNIV
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