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Constraint perception service combination method based on content

A technology of service combination and content service, which is applied in the direction of website content management, other database retrieval, electrical components, etc., can solve the problems of heavy user retrieval and browsing burden, and achieve the effect of reducing browsing burden, speeding up decision-making, and reducing retrieval burden

Active Publication Date: 2019-01-11
SOUTH CHINA AGRI UNIV
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem that the user's retrieval and browsing burden is still too large in the existing service composition technology, the present invention proposes a content-based constraint-aware service composition method to improve the efficiency of service composition

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  • Constraint perception service combination method based on content
  • Constraint perception service combination method based on content
  • Constraint perception service combination method based on content

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Embodiment Construction

[0050] The present invention provides a content-based constraint-aware service composition method, such as figure 1 As shown, it specifically includes the following steps:

[0051] Step 1. Construct a service network according to the functional requirements of the service combination that needs to be established. On this basis, according to the service quality of the third-party service platform or service in the service network, the user's preference for various non-functional features, and the user's preference for third parties The trustworthiness of the service platform or service, the service agent selects a series of candidate third-party service platforms or services for users;

[0052] figure 1 In the example given, the functional requirement of the service portfolio that the user wants to establish is travel planning. This requirement can be further subdivided into specific functional requirements such as restaurant query and reservation, hotel query and reservation, sce...

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Abstract

The present invention discloses a constraint perception service combination method based on content. The method comprises the steps of: selecting a candidate third-party service platform / service according to functional / non-functional features, user preference and credibility, and inquiring and obtaining content service; generating a plurality of schemes for a user based on different optimization targets by employing a combined problem solver; when the user constraint is too strict to cause an over-constraint problem, employing an over-constraint problem solver to percept the preference degreesequence of the user constraint and generate a maximum correction constraint loosing set, and transferring the combined problem solver to regenerate the schemes; and integrally considering the satisfaction degree of the scheme-user constraint, the scheme representativeness and the scheme diversity through a user constraint guidance mechanism, performing perception of the user feedback, and returning the most proper k schemes for the users repeatedly until the user is satisfied. The over-constraint problem caused by the too strict user is solved, and the problem is solved that there are many solutions caused by too loosened user constraint.

Description

Technical field [0001] The invention belongs to the technical field of service computing, and specifically relates to a content-based constraint-aware service composition method. Background technique [0002] Web Service Composition (WSC) combines multiple homogeneous or heterogeneous services to create value-added services that meet user needs. With the rapid development of information technology, available web services from different fields appear on the Internet on a large scale. Therefore, user needs can be met by combining multiple available single services to create new comprehensive services according to their functions, semantics, and logical relationships between them. [0003] At present, existing service composition optimization methods consider functional and non-functional characteristics as a strategy to automate Web service composition. These methods can be divided into three categories: QoS-based, user preference-based, and user-service trust-based combined method...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08G06F16/958
CPCH04L67/02H04L69/329
Inventor 林丕源吴志辉黄沛杰何熠辉陈俊安
Owner SOUTH CHINA AGRI UNIV
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