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Personalized searching method and system on basis of social annotation

A search method and label technology, applied in the field of search, can solve the problem that the search results of user information retrieval cannot be changed according to the user's interests.

Active Publication Date: 2015-08-26
DALIAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The purpose of the present invention is to provide a personalized search method and system based on social annotation that improves the accuracy of user information retrieval and overcomes the defect that search results cannot be changed according to user interests in the prior art

Method used

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  • Personalized searching method and system on basis of social annotation
  • Personalized searching method and system on basis of social annotation
  • Personalized searching method and system on basis of social annotation

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Experimental program
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Embodiment

[0097] For the convenience of description, it is assumed here that α=0.4 and β=0.5.

[0098] Suppose user Carl issues the query "InterestingFilm" and wants to find results that match his interests.

[0099] The present embodiment comprises following 7 steps:

[0100] (1) Preprocessing web content

[0101] Scan the webpages one by one, collect the identifier (i.e. webpage ID), webpage document content, category, users who have been marked and the labels given by the corresponding users in each webpage and save them; for the same webpage, the identification Identifiers, webpage categories, and webpage document content are used as a set of data records to represent webpage document content and categories (as shown in Table 1), and identifiers, users who have marked webpages, and labels given by corresponding users are used as another set of data records. A group of data records is used to indicate the user's labeling situation of the network document (as shown in Table 2); the ...

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Abstract

A personalized searching method and a personalized searching system on the basis of social annotation are provided. The method comprises the following steps of: A: preprocessing webpage contents; B: extracting related vectors from a set of extracted contents; C: computing user similarity; D: selecting similar users; E: computing personalized label vectors of the users to files; F: computing extended attribute vectors of the users; and G, carrying out scoring and ranking on the files. According to the searching method and the searching system which are provided by the present invention, preferences and interests of the users are deeply mined by labels given by the users, i.e. starting from annotated information of the webpage users, information actively disclosed by the users are used for carrying out personalized optimization; privacy and cold start problems are avoided; consideration is carried out completely on the basis of the users; and searching accuracy is well promoted.

Description

technical field [0001] The invention relates to a search method and system, in particular to a personalized search method and system based on social annotation. Background technique [0002] In recent years, with the popularization and promotion of Web2.0, more and more applications based on it have been promoted to meet the increasing demands of users on the Internet. These include e-commerce websites, blogs, and social applications, which make the Internet evolve into a social network. In the social network, users can leave appropriate marks on the documents (including web pages and resources on the web pages) they are interested in by marking and other actions. [0003] And social annotation is a very useful resource for personalized search. On the one hand, annotations provided by different users from different perspectives are a good summary of the same document; on the other hand, social annotations can be regarded as idealized personalized interest data. This is ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30
CPCG06F16/9535
Inventor 林鸿飞管毅舟
Owner DALIAN UNIV OF TECH
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