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Cloud service trust evaluation method based on multi-parameter interval number multi-attribute decision-making

A multi-attribute decision-making and interval number technology, applied in the field of cloud computing, can solve problems such as limitations of the evaluation system, difficulty in expansion, and inaccurate evaluation, and achieve the effect of ensuring objectivity and authenticity.

Inactive Publication Date: 2017-05-10
GUILIN UNIV OF ELECTRONIC TECH
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Problems solved by technology

There are many deficiencies in traditional cloud service trust evaluation methods: applying the ready-made web service evaluation model cannot adapt to new needs; there is a lack of quantitative methods for cloud service quality measurement from multiple aspects, and the evaluation is not accurate enough; the evaluation system is limited to a certain cloud service. Several indicators make it difficult to expand; the use of certain QoS values ​​for trust assessment lacks a limit to the scope of cloud service indicators; too many subjective evaluation factors are added to the setting of indicator weights, and the trust assessment of cloud services lacks objectivity, etc.

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Embodiment Construction

[0042] The content of the present invention will be further elaborated below in conjunction with the accompanying drawings, but it is not intended to limit the present invention.

[0043] Such as figure 1 As shown, a cloud service trust evaluation method based on multi-parameter interval number multi-attribute decision-making, the specific steps are as follows:

[0044] (1) The data acquisition and processing module 1 based on the multi-parameter interval number collects the QoS index data of the cloud service operation in the form of multi-parameter interval number by monitoring the operation status of the cloud service in the cloud environment, and lists the decision matrix, and then proceeds Data processing to obtain the QoS database;

[0045] (2) The weight setting module 2 based on the unknown attribute weight of the connection number, according to the principle that "the index value of the cloud service index fluctuates more and should be given a greater weight", based ...

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Abstract

The invention discloses a cloud service trust evaluation method based on multi-parameter interval number multi-attribute decision-making. The method comprises the following steps: first collecting QoS index data in a multi-parameter interval number form, and listing a decision-making matrix, converting an index value in the multi-parameter interval number form into a binary connection number, and then normalizing the decision-making matrix according to the cost type and the benefit type to obtain a normalized decision-making matrix; secondly, determining the QoS index weight based on the unknown weight setting of the attribute weight of the connection number; and finally performing the cloud service trust evaluation by use of a principle value model based on the normalized decision-making matrix and the QoS index weight. By use of the evaluation method disclosed by the invention, the QoS index data is collected in the multi-parameter interval number form and then normalized so as to guarantee the reality and the objectivity of the data; the index weight is determined based on the unknown interval number multi-attribute decision-making method of the attribute weight of the connection number, thereby improving the objectivity of the decision-making; the cloud service trust evaluation is performed according to the principle value model, the time complexity of the evaluation method is lowered. The evaluation method disclosed by the invention has strong objectivity and practicability.

Description

technical field [0001] The invention relates to the field of cloud computing, in particular to a cloud service trust evaluation method based on multi-parameter interval number and multi-attribute decision-making. Background technique [0002] With the development of networks, giant computing and big data, commercial-oriented cloud computing has been vigorously promoted, and more and more enterprises have launched cloud services. Faced with many cloud services with the same or similar functions but different qualities, how to objectively evaluate their trust and provide users with personalized recommendations has become an urgent problem in the field of cloud computing. There are many deficiencies in the traditional cloud service trust evaluation methods: the existing web service evaluation model cannot adapt to new needs; there is a lack of quantitative methods for cloud service quality measurement from multiple aspects, and the evaluation is not accurate enough; the evaluat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L29/08
CPCH04L67/10H04L43/55
Inventor 武小年王青芝张楚芸赵新红张润莲
Owner GUILIN UNIV OF ELECTRONIC TECH
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