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Method for retrieving service resources on basis of user interest

A technology for user interests and service resources, applied in special data processing applications, instruments, electronic digital data processing, etc., can solve problems that are difficult to meet people's requirements for retrieval system functions, intelligence, and retrieval effects, and achieve improved retrieval Effect, guarantee time reliability, effect of reducing retrieval time

Active Publication Date: 2014-04-30
HENAN UNIV OF SCI & TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem that traditional retrieval technology is difficult to meet people's requirements for retrieval system functions, intelligence and retrieval effect, the present invention provides a service resource retrieval method based on user interests to meet the diverse real-time needs of users, and more Quickly provide users with better services

Method used

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  • Method for retrieving service resources on basis of user interest
  • Method for retrieving service resources on basis of user interest
  • Method for retrieving service resources on basis of user interest

Examples

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Embodiment Construction

[0033] A service resource retrieval method based on user interests. First, the total number of documents in the document collection D is defined as N, and any document belonging to the collection D can be expressed in the form of a t-dimensional vector: Among them, t is the number of index words, and the vector component represents the i-th index term in the document The weights in , and then search according to the user's interest, the specific steps of searching according to the user's interest are as follows:

[0034] Step 1. Obtain user interest information, and then use vector or graphic methods to formally represent the interest information, that is, to form a user interest profile;

[0035]Step 2: Represent user interest with the help of classification directory, and map the classification directory into a tree structure to form a user interest tree. The nodes in the user interest tree represent categories, and the weight of the node represents the user's sentimen...

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Abstract

The invention discloses a method for retrieving service resources on the basis of user interest. The method includes particular steps of acquiring interest information of users and generating interest profiles of the users; representing the interest profiles of the users by binary-group interest vector tables; computing interest correlation factors of correlation documents; extracting question vectors in retrieval requests of the users; analyzing the similarity among the question vectors and document vectors; computing the interest similarity among the documents and the question vectors; sorting the correlation documents according to degrees of the interest similarity. The method has the advantages that the user interest is extracted and analyzed when the service resources are retrieved, so that actual retrieval requirements of the users can be met, the service resources can be retrieved in a personalized manner on the basis of the user interest, a retrieval effect can be obviously improved, the massive network service resource retrieval time can be shortened, and the efficiency can be obviously enhanced.

Description

technical field [0001] The invention relates to the field of providing Internet service resources, in particular to a method for retrieving service resources based on user interests. Background technique [0002] Classification of service resources refers to analyzing various existing services and resources in the network according to their respective attributes and characteristics, and classifying them into specific categories. With the rapid development of Internet technology and the continuous popularization of computer technology, people have become more and more dependent on network service resources, and the classification of service resources is a complex processing process, which involves preprocessing of service resources and feature vector collection. Service resource classification can be understood as the use of certain methods and models to conduct comprehensive analysis, optimization, processing, permutation, sorting, and classification of various resources on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/337G06F16/9535
Inventor 魏汪洋张明川郑瑞娟吴庆涛杨春蕾娄颖崔敏汪兴蔡晓刚
Owner HENAN UNIV OF SCI & TECH
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