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Title:
CONCEPTUAL GRAPH-BASED QUERY-RESPONSE APPARATUS AND METHOD
Document Type and Number:
WIPO Patent Application WO/2020/111314
Kind Code:
A1
Abstract:
A query-response apparatus comprises: a weight application unit for extracting a corpus context word from a corpus, applying a weight to the corpus context word according to a weight rule, extracting a query context word from an input query, and applying a weight to the query context word according to the weight rule; a context similarity determination unit for generating a plurality of corpus sentence embedding vectors for the weight-applied corpus and a query sentence embedding vector for the weight-applied input query, and determining a target sentence embedding vector from among the plurality of corpus sentence embedding vectors on the basis of vector similarities between the plurality of corpus sentence embedding vectors and the query sentence embedding vector; a candidate response determination unit for determining a target conceptual graph corresponding to the target sentence embedding vector, calculating a graph matching score for each of one or more concepts included in the target conceptual graph, and determining one or more candidate concepts corresponding to the input query; and a response determination unit for determining a preset number of concepts from among the candidate concepts as a response to the input query.

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Inventors:
MYAENG SUNG HYON (KR)
KIM KYUNG-MIN (KR)
Application Number:
PCT/KR2018/014860
Publication Date:
June 04, 2020
Filing Date:
November 28, 2018
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Assignee:
KOREA ADVANCED INST SCI & TECH (KR)
International Classes:
G06F16/00
Foreign References:
KR20180092808A2018-08-20
US20110302156A12011-12-08
KR20180125746A2018-11-26
KR20170096282A2017-08-24
US20160357855A12016-12-08
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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