Service combining and replacing method based on service cluster

A technology of service composition and service cluster, which is applied in the field of service composition and replacement based on service cluster, can solve problems such as low efficiency, interruption of service composition process, waste of a lot of time, etc.

Inactive Publication Date: 2015-09-09
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

With the rapid increase in the number of Web services, using the traditional service search and replacement method will inevitably waste a lot of time to deal with irrelevant services, resulting in inefficiency and even interruption of the service composition process, resulting in huge losses

Method used

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  • Service combining and replacing method based on service cluster
  • Service combining and replacing method based on service cluster
  • Service combining and replacing method based on service cluster

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0164] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0165] The service combination and replacement method based on the service cluster includes the following steps:

[0166] 1 Constructing a formal model of Web services and service clusters

1.1 Description of related technologies

[0167] definition is a set of natural numbers, that is, and set and

[0168] Define Petri net:

[0169] A Petri net is represented as a quadruple PN=(S, T; F, M0), where,

[0170] (1) S is a finite place set;

[0171] (2) T is a finite transition set, and

[0172] (3) is an arc set;

[0173] (4) dom(F)∪cod(F)=S∪T, where,

[0174] dom ( F ) = { x ∈ S ∪ T | ∃ y ∈ S ∪ T : ( ...

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Abstract

The invention discloses a service combining and replacing method based on a service cluster. The service cluster is constructed with an existing service clustering method, and a formal description method of services and the service cluster is put forward based on a Petri network; and the input and output parameters of the services are represented in an abstract way, and the input and output parameters of the services are described through a parameter matrix. Through adoption of a service matching method in the invention, universality and individuality can be fully realized among the services in the service cluster, and the service discovery and combining efficiencies are increased by narrowing of a service discovery range. A Web service combining and replacing method is provided through improvements on a service cluster model. Parallel combination and serial combination of the services in the service cluster are described respectively, and rapid service combination is realized in the service cluster, so that efficient service combination and replacement are realized. Through adoption of the service replacing method in the invention, single service replacement in the service cluster can be realized, and service combination and replacement in the service cluster can be realized.

Description

technical field [0001] The invention relates to a service combination and replacement method based on service clusters. Background technique [0002] Driven by the tide of global informatization, Web service technology has developed rapidly, and the application of Web service is particularly common. With the abundance of network resources, the number of services has increased significantly, which puts great pressure on service discovery and replacement. The proposal of service cluster greatly narrows the search scope of service discovery and effectively improves the efficiency of service discovery. In service clusters, each service has parameter uncertainty, and a unified formal description method is needed. In the formal description of Web services, not only the characteristics of the service itself must be given, but also the interaction characteristics between services can be given in the description of service clusters, which is convenient for the discovery and combina...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/08
CPCH04L67/02
Inventor 杜玉越盖俊静盖俊虎沙静刘伟
Owner SHANDONG UNIV OF SCI & TECH
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