INFORMATION SEARCH SYSTEM Russian patent published in 2023 - IPC G06F16/33 

FIELD: information retrieval systems.

SUBSTANCE: information retrieval system according to the invention comprises a database storing service support information and an information management device capable of searching for predetermined information in the service support information. The information management device comprises a module for receiving requests containing a keyword, a module for receiving classification information to which the narrowing keyword belongs, a module for presenting a narrowing keyword belonging to the entered classification information and having a correlation relationship with the keyword, and a search module that performs a search procedure. The search module performs a database search procedure based on the entered keyword and the selected narrowing keyword. The narrowing keyword presenting module is configured to present two or more narrowing keywords together with respective correlation values representing the frequency with which the keyword and the narrowing keyword appear simultaneously in the same equipment maintenance support information or the number of times the keyword word and narrowing keyword are paired during the search.

EFFECT: ability to effectively identify the necessary information from a large amount of service support information.

4 cl, 13 dwg