Search method and system

A search method and technology of a search system, applied in network data retrieval, network data indexing, and other database retrieval directions, can solve problems such as the inability of keyword clustering resources to function, and achieve rich trigger granularity, increase matching depth, and comprehensive search results. Effect

Active Publication Date: 2014-05-21
TENCENT TECH (SHENZHEN) CO LTD
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Problems solved by technology

These constraints often lead to keyword clustering ...

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  • Search method and system

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Embodiment Construction

[0060] The technical solutions of the present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0061] The present invention provides an embodiment of a search method, such as figure 2 As shown, the method mainly includes:

[0062] Step 201, constructing (QSSII, Query Signature Summary Inverted Index) index based on historical high-frequency query; the QSSII index is the retrieval string morpheme signature and inverted index, which is after the historical high-frequency query is word-segmented, the morpheme signature and The same inverted index data structure for each group of queries.

[0063] A morpheme refers to the smallest result unit after query word segmentation. The morpheme signature (Signature) adopts the md5 hash value of the morpheme. QSSII indexes can exist in the form of tables. For example, the following queries:

[0064] ABCD, ABCD, DCBA, ABDC, ABC, ABC, CBA (where A, B, C, D represent mor...

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Abstract

The invention discloses a search method and system. The method comprises the steps: building a query morpheme signature and an inverted index on the basis of a historical high frequency query; after the query morpheme signature and the inverted index distribute words for the historical high frequency query, obtaining an inverted index data structure of the morpheme signature and each same query; inquiring the query morpheme signature and the inverted index according to an original query input in a mating system to obtain the original query morpheme signature and a same query set; inquiring a high frequency query word list according to queries in the query set to obtain a corresponding key word. By applying the search method and system, key word and related material searching with finer trigger granularity and more comprehensive research results can be realized.

Description

technical field [0001] The invention relates to the technical field of computer search, in particular to a search method and system. Background technique [0002] Search refers to the process in which Internet users use terminal devices such as personal computers (PCs) and mobile phones to trigger logically related search results in the background matching system by submitting a search string (query) to the search engine input box. [0003] In the matching system, at present, the trigger matching between the query and the keyword of the material is mainly carried out in the following ways: [0004] 1. Triggered by keywords of matching type [0005] In the system database, keywords and their corresponding materials will be stored in the form of inverted indexes; the matching system will conduct online analysis on the queries submitted by users, find keywords corresponding to various matching types, and use the inverted information of keywords to complete Material pull. A t...

Claims

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Application Information

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IPC IPC(8): G06F17/30
CPCG06F16/951
Inventor 赫南姚伶伶刘小兵王迪杨俊丽王艳敏
Owner TENCENT TECH (SHENZHEN) CO LTD
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