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A method and device for extracting search value words based on contextual search

A contextual search and search word technology, which is applied in the field of extracting search value words based on contextual search, can solve problems such as difficult to meet other users' search needs, reduce user search experience, and fail to meet search needs.

Active Publication Date: 2017-03-22
TENCENT TECH (SHENZHEN) CO LTD
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] It can be seen from the above that the existing methods for extracting search value words based on contextual search, it is difficult to meet the search needs of other users through the search words configured by the data generator, and by setting the vocabulary, it is easy to be limited to a specific field, based on TF- IDF, and it is easy to extract some general words, cannot meet the search needs of users in different scenarios and fields, and the search efficiency is low, which reduces the user search experience

Method used

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  • A method and device for extracting search value words based on contextual search
  • A method and device for extracting search value words based on contextual search
  • A method and device for extracting search value words based on contextual search

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Embodiment Construction

[0158] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0159] The method for extracting search value words based on contextual search in the embodiment of the present invention comprehensively uses new word extraction, hot event detection and discovery, and subject word extraction technologies to extract search value words, and eliminates generic words, calculates relevant values, and diverges redundant synonyms Optimize the extracted search value words, so as to automatically extract and optimize search value words according to the content context of the user's scene, without manual settings by users and editors, and realize automatic extraction of search value words in various fields and scenarios.

[0160] figure 1 It is a schematic flowchart of a method for extracting search value words b...

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Abstract

The invention discloses a method and a device for extracting searching value terms based on context search. The method comprises the following steps of: generating a candidate searching term set according to a selected content text; filtering broad terms from the generated candidate searching term set; performing topic relevance calculation and searching value calculation on the candidate searching term set from which the broad terms are filtered respectively; acquiring comprehensive weight measures of candidate searching terms according to a topic relevance calculation result and a searching value calculation result; and obtaining the searching value terms according to the comprehensive weight measures of the candidate searching terms. According to the method and the device, the searching requirements of a user in different places and different fields can be met, searching efficiency can be improved, and the searching experiences of the user can be improved.

Description

technical field [0001] The invention relates to Internet information processing technology, in particular to a method and device for extracting search value words based on context search. Background technique [0002] With the development of computer network technology, especially the development of 3G networks and smart mobile terminals, users' network life is becoming more and more abundant. Chatting, browsing news, watching movies, playing games, searching, shopping, etc. on the Internet are becoming more and more popular. As a part of the user's online life, the need to obtain information through the Internet is becoming more and more common. For example, when browsing news, microblogs, blogs, chatting and online shopping, users need to pass through the content they are interested in or unknown. Search for relevant information. For example, when browsing news, if you need to learn more about hot events, you need to use the hot events as search keywords to obtain relevan...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
Inventor 刘怀军
Owner TENCENT TECH (SHENZHEN) CO LTD
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