An information retrieval method and device
A technology of information retrieval and attribute information, which is applied in the field of data processing, can solve the problems of slow retrieval speed and large storage space, and achieve the effects of saving resource storage space, improving retrieval efficiency and word association accuracy
Inactive Publication Date: 2018-06-19
TVMINING BEIJING MEDIA TECH
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Problems solved by technology
[0004] In the existing technology, when the search engine organizes and processes information, it will directly store the information content itself. For example, if the relevant institution associated with Beijing is the Forbidden City, it will save the text. This requires a large amount of storage space
Moreover, the search engine will directly match the information related to the search term based on the text when searching. For example, if the search term is "what is the institution associated with Beijing", it will be matched to "the institution associated with Beijing is the Forbidden City", etc. The retrieval speed slower
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[0047] The preferred embodiments of the present invention will be described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present invention, and are not intended to limit the present invention.
[0048] In the embodiment of the present invention, the word association table may include: a character association table, a location association table, an institution association table, an attribute association table, etc., and the present invention is not limited thereto. In the word association table mentioned below, nr (indicates person), nt (indicates organization) or ns (indicates location) are all regarded as different word association tables, but the data structure of each association table remains consistent.
[0049] figure 1 Shown is a flow chart of an information retrieval method in an embodiment of the present invention, and the method includes the follo...
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The invention discloses an information retrieval method and device, which are used to realize the purpose of improving retrieval speed and word association accuracy. The method includes: extracting the name and associated attributes of a given word from a given vocabulary containing associated attribute information; calculating the hash value of the given word according to the name of the given word; Find the identification of the given word according to the hash value of the given word in the corresponding dictionary table, wherein the data item structure of the dictionary table includes the identification of the word, the hash value of the word and the word itself; according to the given word The identification and associated attribute of definite word, search the identification of the attribute-associated word of described given word in word association table; Search the attribute of described given word according to the identification of the attribute-associated word of described given word in described dictionary table Associated 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. A system for displaying information to users. [0004] In the existing technology, when the search engine organizes and processes information, it will directly store the information content itself. For example, if the related institution related to Beijing is the Forbidden City, it will save the text. The related institution related to Beiji...
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IPC IPC(8): G06F17/30
Inventor 杨乾磊
Owner TVMINING BEIJING MEDIA TECH