Indexing equipment, indexing method, search device, search method and search system

Abstract

The invention provides indexing equipment which comprises a numeric string segmentation module and an indexing establishment module, wherein the numeric string segmentation module is used for segmenting a numeric string in a document and the indexing establishment module is used for establishing an index based on a new numeric string obtained after the numeric string is segmented and the document. Due to the fact that the technical scheme includes that the numeric string in the document is proposed to be segmented and the new segmented numeric string is used as a keyword to establish the index, the indexing equipment has the advantages of being capable of reasonably controlling the length of a file list pointed by the keyword in an index structure and the length of a keyword list, namely, controlling the size of the indexing established by the numeric string within the acceptable range of computer memory and improving indexing speed of the numeric string. The invention further provides an indexing method, a search device, a search method and a search system.

Description

technical field [0001] The present invention relates to the field of computer technology, in particular to an indexing device, an indexing method, a retrieval device, a retrieval method and a retrieval system. Background technique [0002] Search engines have become the main entrance of the Internet, and people query and locate Internet information resources through search engines. Mainstream search engines use inverted index technology to realize fast retrieval of user retrieval requests by establishing a huge inverted mapping table between retrieval keywords and documents. The working logic of the system mainly includes four main steps: information collection, information preprocessing, information indexing, and information retrieval. Among them, the important work of the information preprocessing process is to analyze the document based on the semantic or grammatical level, extract the keywords in the document that can be queried by users, and calculate and mark the posi...

AI Technical Summary

Problems solved by technology

[0008] If a single Arabic numeral 0-9 is used as a keyword list, the keyword list is reduced to only 10 keywords, and the linked list of documents pointed to by each keyword will be very large, and most users' searches are search-specific Combination of digital strings, so the amount of calculation in the merging process in the search will be very large, which greatly reduces the efficiency of the search

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