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Information full-text retrieval method and system based on intra-domain information access permission

A technology of access rights and retrieval system, applied in the field of data retrieval

Inactive Publication Date: 2019-06-07
HUADI COMP GROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] The present invention proposes a method and system for full-text information retrieval based on information access authority within a domain, so as to solve the problem of how to ensure data security to the greatest extent while ensuring retrieval efficiency

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  • Information full-text retrieval method and system based on intra-domain information access permission
  • Information full-text retrieval method and system based on intra-domain information access permission
  • Information full-text retrieval method and system based on intra-domain information access permission

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Embodiment Construction

[0046] Exemplary embodiments of the present invention will now be described with reference to the drawings; however, the present invention may be embodied in many different forms and are not limited to the embodiments described herein, which are provided for the purpose of exhaustively and completely disclosing the present invention. invention and fully convey the scope of the invention to those skilled in the art. The terms used in the exemplary embodiments shown in the drawings do not limit the present invention. In the figures, the same units / elements are given the same reference numerals.

[0047] Unless otherwise specified, the terms (including scientific and technical terms) used herein have the commonly understood meanings to those skilled in the art. In addition, it can be understood that terms defined by commonly used dictionaries should be understood to have consistent meanings in the context of their related fields, and should not be understood as idealized or over...

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Abstract

The invention discloses an information full-text retrieval method based on intra-domain information access permission, which comprises the following steps: extracting key field information of each unit data from updated data according to a preset information extraction rule, and adding the key field information into an index submission queue according to a preset format; obtaining identity authentication information of a login user; and screening unit data containing the search request content and a field for describing the access authority, the authority information of which is higher than the identity authentication information of the login user, based on a preset authority matching rule by utilizing the search request content of the login user and the identity authentication informationof the login user, and returning the unit data. The method is based on the Lucene search engine, the engine only returns data with right access during retrieval, secondary screening is not needed, and the risk of data leakage is reduced to the maximum extent. Meanwhile, the index is established through the keywords, the matching speed is high, the accuracy is high, high concurrency support of Lucene is quite good, and the search efficiency in the high concurrency environment is guaranteed.

Description

technical field [0001] The present invention relates to the technical field of data retrieval, and more specifically, to a method and system for full-text retrieval of information based on information access authority within a domain. Background technique [0002] A full-text search consists of four parts: searcher, indexer, retriever and user interface. The function of the collector is to collect synchronization information in the domain. The function of the indexer is to understand the information searched by the searcher and extract the index items to generate the index table of the document library. The function of the retriever is to quickly retrieve documents in the index library according to the user's query, evaluate the relevance between the document and the query, sort the results to be output, and implement a user relevance feedback mechanism. The role of the user interface is to enter user queries, display query results, and provide user relevance feedback mech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/242G06F16/25G06F21/62
Inventor 何宬呈
Owner HUADI COMP GROUP
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