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Personalized searching method and system

A search method and user model technology, applied in the field of search, can solve problems such as implementation difficulties, and achieve the effect of improving running performance

Active Publication Date: 2012-10-17
SHENZHEN SHI JI GUANG SU INFORMATION TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the dimensionality of the user model constructed in this way is too high, generally tens of thousands of dimensions, and personalized search requires online real-time calculation, which is very difficult to implement when the dimensionality of the user model is too high

Method used

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  • Personalized searching method and system

Examples

Experimental program
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Embodiment Construction

[0033] Such as figure 1 As shown, a personalized search method includes the following steps:

[0034] In step S102, the documents published by the user are obtained, and the documents are classified to obtain the classification information of the documents.

[0035] Documents published by users include various logs, blogs, comments, etc. published by users through online communities. The documents published by users through online communities can best show the interests of users, and the user model constructed based on these documents is more accurate. The traditional text automatic classification method can be used to classify the documents published by users. The documents published by users and the classification information of these documents are stored in the search engine database.

[0036] Step S104, constructing a user model and a document model according to the classification information of the document.

[0037] In one embodiment, the user model constructed accor...

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Abstract

The invention provides a personalized searching method, comprising the steps of: acquiring documents published by users, classifying the documents to obtain classification information of the documents; establishing user models and document models according to the classification information of the documents; searching search terms inputted by the users to obtain search results; calculating sequencing weights of the search results according to the user models and the document models; and sequencing the search results according to the sequencing weights. By adopting the mode, the dimensionalities of the established user models and document models are low, the realization is simple, and thus the operation performance is improved. The invention further provides a personalized searching system.

Description

【Technical field】 [0001] The invention relates to search technology, in particular to a personalized search method and system. 【Background technique】 [0002] Personalized search is an information search method. Compared with ordinary search methods, it takes into account the differences of users, and uses user information to modify or filter search results to obtain search results that are more in line with the user's individual needs. The basic method of personalized search is to link the keywords entered by the user with the user's personal preferences for query, so as to obtain the information that the user most likely needs and display it at the front. [0003] Personalized search needs to solve two problems, one is how to build a user model, and the other is how to reorder the search results. To build a user model, user information needs to be collected first, including personal information such as occupation, graduate school, hobbies and user access logs provided by ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
Inventor 王亮文勖焦峰王锐付剑波许春林石一峰刘晓云
Owner SHENZHEN SHI JI GUANG SU INFORMATION TECH