An on-line service credit measurement method based on multi-dimensional evaluation information

A technology for evaluating information and measuring methods, applied in digital transmission systems, electrical components, data processing applications, etc., and can solve problems such as inaccurate service selection in online service reputation evaluation

Inactive Publication Date: 2018-01-12
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide an online service reputation measurement method based on m

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  • An on-line service credit measurement method based on multi-dimensional evaluation information
  • An on-line service credit measurement method based on multi-dimensional evaluation information
  • An on-line service credit measurement method based on multi-dimensional evaluation information

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Experimental program
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Embodiment 1

[0050]Embodiment 1, an online service reputation measurement method based on multi-dimensional evaluation information, firstly conduct principal component analysis on the multi-dimensional attribute information of online service reputation, select the attribute dimension that affects the dynamic change of online service reputation, and consider the time factor on the online service reputation. Filter the evaluation data of service attributes; secondly, create service reputation labeling criteria, label the initial samples and train the support vector machine classification model; then use the self-learning method of distance correlation to obtain training samples, and update the training sample set and SVM classification model; Finally, the SVM classification model obtained from the final update is used to determine the reputation class labels of online services to achieve service reputation measurement.

[0051] The specific steps are:

[0052] Step1. Select the attribute dim...

Embodiment 2

[0086] Embodiment 2: An online service reputation measurement method based on multi-dimensional evaluation information. First, conduct principal component analysis on the multi-dimensional attribute information of online service reputation, select the attribute dimension that affects the dynamic change of online service reputation, and consider the time factor to filter the evaluation data of online service attributes; Label and train the Support Vector Machine (SVM) classification model; then use the self-learning method of distance correlation to obtain training samples, update the training sample set and the SVM classification model; finally use the SVM classification model obtained from the final update to determine Reputation tags for online services to achieve service reputation measurement.

[0087] 1. Select the attribute dimension that affects the dynamic change of online service reputation, and consider the time factor to filter the evaluation data of online service ...

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Abstract

The invention relates to an on-line service credit measurement method based on multi-dimensional evaluation information, and belongs to the technical field of on-line credit measurement. Firstly, principal component analysis of multi-dimensional attribute information of the online service credit is carried out; the attribute dimension which affects the dynamic change of the online service credit is selected; and the evaluation data of online service attributes is screened with consideration of time factors; secondly, a service credit labeling criterion is established, and then an initial sample is labeled and a support vector machine classification model is trained; a training sample is obtained through a self-learning method of distance correlation; a training sample set and a SVM classification model are updated; and finally, the finally updated SVM classification model is used to determine the credit labels of the online service to realize service credit measurement. According to the invention, through taking regard of the multiple dimensions and time factors of the credit attributes, the service credit is made to change with new transaction. In addition, a support vector machine can effectively deal with the problem of the excessive calculating complexity brought about by a high data dimension.

Description

technical field [0001] The invention relates to an online service reputation measurement method based on multi-dimensional evaluation information, and belongs to the technical field of online reputation measurement and online services. Background technique [0002] With the continuous development of the Internet and pervasive computing technology, people use online services more and more commonly, leading to a sharp rise in the market demand for online services. The online service market has a large volume and complete categories, which can better meet the personal preferences of users. At the same time, the characteristics of crossing time and space and crossing regions have greatly reduced the cost of using online services, making them a mainstream consumption model. However, users still face many problems when using online services: (1) online services are widely distributed, and the quality, ability and qualifications of service providers vary, so it is impossible to gu...

Claims

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Application Information

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IPC IPC(8): H04L12/24G06Q10/06
Inventor 付晓东杨体东刘骊刘利军冯勇
Owner KUNMING UNIV OF SCI & TECH
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