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Web service recommendation method and device

A technology for recommending methods and recommending devices, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as low efficiency and inaccurate recommendation results, and achieve the effect of improving accuracy and efficiency

Inactive Publication Date: 2012-06-27
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a Web service recommendation method and device to overcome the problems of low efficiency and inaccurate recommendation results of the Web service recommendation method in the prior art

Method used

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  • Web service recommendation method and device
  • Web service recommendation method and device

Examples

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Embodiment Construction

[0019] In order to describe the embodiment of the present invention clearly and in detail, an example is given below in conjunction with a matrix model, which is composed of QoS information collected by users on Web services used by existing systems. The abscissa of the matrix is ​​each Web service in the Web service library, and the ordinate is the round trip time (Round Trip Time, RTT) value of the QoS information used by each user corresponding to the Web service, figure 1 A schematic structural diagram of a user service evaluation matrix used in an embodiment of the present invention is shown. Such as figure 1 shown.

[0020] Abscissa: S={s 1 ,s 2 ,...,s m} is the set of services, the ordinate: U={u 1 , u 2 ,...,u n} is a collection of users (which represents the RTT value of the user using the Web service). Among them, s i (1≤i≤m) indicates a service, m indicates the number of services, u i (1≤i≤n) represents one user, and n represents the number of users.

[0...

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Abstract

The invention provides a Web service recommendation method and a device. The Web service recommendation method includes: acquiring the first Web service never used by a user to be recommended with Web services in a Web service library; acquiring the predicted value of the first Web service according to the predicted value of the second Web service which is a Web service with the predicted value in the Web service library in a convergence area where the user is located; selecting the predicted value within a preset threshold value range according to the predicted values of the first Web service and the second Web service in the Web service library corresponding to the user, and recommending the Web service corresponding to the selected predicted value. By the Web service recommendation method, the problems of low efficiency and inaccuracy in recommendation results of the existing Web service recommendation method in the prior art are overcome.

Description

technical field [0001] The invention relates to network data processing technology, in particular to a method and device for recommending Web services. Background technique [0002] Web service (Web service) is a service-oriented architecture technology that provides services through standard Web protocols to ensure that application services on different platforms can interoperate. Currently, there are more and more web services, such as web services that provide weather forecast queries and web services that provide color ring tone downloads. A large number of functions of most Web services are the same or similar, and thus users have no choice when faced with a large number of Web services. [0003] For this reason, people in the industry use Web service recommendations to solve the problem that users have no choice. Existing web service recommendation methods use collaborative filtering technology. Specifically, collaborative filtering technology predicts the quality of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 孙海龙晨曦曲铎郭晓辉怀进鹏
Owner BEIHANG UNIV