Patent retrieval method and device

Abstract

The invention discloses a patent retrieval method and device. The method includes the steps of receiving a retrieval request of a user; determining a first keyword in the retrieval request; determining a first associational word according to the first keyword and a target information table, wherein associational words related to the first keyword are stored in the target information table; determining a retrieval condition according to the first keyword and the first associational word, and retrieving a patent document according to the retrieval condition. Through the method and device, the problem that in the prior art, a patent retrieval result is not accurate is solved.

Description

technical field [0001] The present invention relates to the field of retrieval, in particular to a patent retrieval method and device. Background technique [0002] In recent years, with the increase in the number of domestic patent applications, the number of patents has continued to expand, and users are paying more and more attention to the specifics of patent applications. In the existing technology, users can conduct statistical analysis on the number of patent applications in various fields, provinces, cities, and enterprises by inputting search conditions in the patent search system. However, unlike other searches, patent search has relatively high requirements for search results. Strict, so during the retrieval process, there are very professional skill requirements for the selection and combination of retrieval elements. There are mainly three patent retrieval methods in the prior art, as follows: [0003] The first is the conventional processing method of all cur...

AI Technical Summary

Problems solved by technology

[0007] The embodiment of the present invention provides a patent retrieval method and device to solve the problem of inaccurate patent retrieval results in the prior art

Images