Information retrieval method and device

Abstract

The invention discloses an information retrieval method and device which are used for flexibly and rapidly retrieving information. The method includes the following steps of searching a corresponding term association table for data items corresponding to attribute values according to given attribute values and the given number of days, wherein a data item framework of the term association table comprises identifications of two associated words and corresponding association depth values; selecting at least one data item with the corresponding association depth value meeting a preset numerical value condition from the searched data items; searching a dictionary table for words corresponding to the identifications of the words of at least one data item and taking the words as hot words of the attribute values, wherein a data item framework of the dictionary table comprises identifications of words, hash values of the words and the words.

Description

technical field [0001] The invention relates to the technical field of data processing, in particular to an information retrieval method and device. Background technique [0002] With the rapid development of information technology, today's society has entered the era of information explosion, and people increasingly rely on the Internet to find the information they need. Therefore, retrieval has become an indispensable part of people's work and life. [0003] People usually use search engines to search. Search engines refer to collecting information from the Internet according to certain strategies and using specific computer programs. The system by which information is presented to the user. [0004] In the prior art, when the search engine organizes and processes the information, it will directly store the information content itself. For example, the Beijing Botanical Garden includes many exhibition areas, such as the Arboretum Garden, Rose Garden, Peony Garden, etc., an...

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Problems solved by technology

[0004] In the prior art, when the search engine organizes and processes the information, it will directly store the information content itself. For example, the Beijing Botanical Garden includes many exhibition areas, such as the Arboretum, Chinese Rose Garden, Peony Garden, etc., and it will save text. The Beijing Botanical Garden includes many exhibition areas. Exhibition areas, such as Arboretum, Rose Garden, Peony Garden, etc., which require a lot of storage space

Moreover, when the subsequent retrieval service is provided, the retrieval speed is relatively slow

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