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WEB service single Qos attribute appraisement method based on user requirement

A WEB service and user demand technology, applied in the field of WEB service selection, can solve the problems of vague description form, inconvenient QoS attribute evaluation, and inability to handle QoS attribute evaluation.

Inactive Publication Date: 2009-04-08
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology

However, both of them can only deal with precise Qos attribute parameters in user requests and service descriptions, but in actual situations, the description forms of Qos attributes in user requests and service descriptions are mostly vague; at the same time, these methods cannot handle Evaluation of Qos Attributes under Various User Requirements
[0008] In addition, when describing the same Qos attribute, some use precise values, and some use interval values ​​for description, which brings great inconvenience to the evaluation work of Qos attributes

Method used

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  • WEB service single Qos attribute appraisement method based on user requirement
  • WEB service single Qos attribute appraisement method based on user requirement
  • WEB service single Qos attribute appraisement method based on user requirement

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Embodiment Construction

[0028] The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0029] The present invention takes the user's demand as the reference target, evaluates the Qos attribute of the candidate service, and when the user does not propose a Qos demand, it can be converted into a comparison mode between candidate services, and at the same time supports the processing of the user's multiple forms of Qos demand .

[0030] figure 1 Shown is a basic flow chart of the method for evaluating a single Qos attribute of a WEB service based on user requirements in the present invention.

[0031] Step 101: Functionally match the service requested by the service requester with the service provided by the service provider, and extract the services with successful functional matching from the services provided by the service provider to obtain a candidate service set.

[0032] The Qos attribute evalua...

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Abstract

The invention discloses a WEB service individual Qos attribute evaluating method based on user requirements. The method can evaluate Qos attribute in service application submitted by a user under two conditions of including Qos requirement and not including Qos requirement. At the same time, the invention considers the condition that the service uses different measurement expressing modes to describe the Qos attribute during the evaluating process, thus obtaining the evaluation value of candidate service on the individual Qos attribute by different normalized processing modes. In addition, the invention can obtain the evaluation value of the individual Qos attribute by the Qos evaluating method based on user requirements and can calculate the comprehensive Qos evaluation value of the service on the basis of the evaluation value of the individual Qos attribute, so as to provide service selection process with reference. The invention supports the evaluation on the Qos attribute of the service under various conditions and is simple for realizing.

Description

technical field [0001] The invention relates to the field of WEB service selection, in particular to a method for evaluating a single quality of service (Qos, Quality of Service) attribute of a WEB service based on user requirements. Background technique [0002] As the types of WEB services on the Internet continue to increase, there are situations where multiple WEB services provide the same or similar functions. How to choose the best or most suitable WEB service from many WEB services with the same or similar functions is a research hotspot in semantic service selection. [0003] The description of WEB services is divided into two aspects: functional and non-functional. Functional matching only meets the static general requirements of the service requester. If users want to obtain high-quality WEB services, they need to use some Qos attributes to quantify their service performance. , in the process of service selection, comprehensively evaluate the quantified Qos attrib...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L29/08
Inventor 苏森于晓燕杨放春张蕾双锴薛春刚龙丽娟
Owner BEIJING UNIV OF POSTS & TELECOMM
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