Patent retrieval method and device based on multiple rounds of conversations

A patented, input sentence technology, applied in the field of information interaction, can solve the problems of difficult to guarantee the accuracy of query results, low user requirements, high user requirements, etc.
CN110442676AInactive Publication Date: 2019-11-12BEIJING UNIV OF POSTS & TELECOMM
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
BEIJING UNIV OF POSTS & TELECOMM
Publication Date
2019-11-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a patent retrieval method and device based on multiple rounds of conversations, and the method comprises the steps: obtaining an input statement of an input side, and carryingout the word segmentation of the input statement to generate a plurality of segmented words; performing named entity identification processing on the plurality of segmented words to obtain a pluralityof entities corresponding to the input statement; performing intention detection on the plurality of entities to obtain an intention result corresponding to the input statement; acquiring historicaldialogue information of an input party, and updating current state information according to the historical dialogue information and the intention result; obtaining an execution action corresponding tothe updated current state information, and generating a query request corresponding to the input statement according to the execution action; and inputting the query request into the patent knowledgebase to obtain a query result, adding the query result into a preset template, and returning the query result to the input party. According to the method, the current retrieval result is presented ina multiple rounds of conversations mode, the user is assisted in carrying out patent retrieval requirements, the requirement description of the user can be standardized, and the accuracy of patent retrieval is remarkably improved.
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Description

technical field

[0001] The invention relates to the technical field of information interaction, in particular to a patent retrieval method and device based on multi-round dialogs. Background technique

[0002] With the vigorous development of science and technology in our country, "mass entrepreneurship and innovation" has become the source of power. In 2018, the number of invention patent applications in China was 1.542 million. A total of 432,000 invention patents were authorized, including 346,000 domestic invention patents. As one of the main presentation forms of scientific research achievements, patents are an important reference and reliance for scientific and technological development and transformation of achievements. However, with the rapid expansion of the patent resource pool, how to search for patents that match one's own needs in the huge resource pool has become an important issue in the transformation of scientific and technological achievements. At presen...

Claims

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