Title:
UNIQUE EXPRESSION CLASSIFIER AND UNIQUE EXPRESSION CLASSIFICATION METHOD
Document Type and Number:
Japanese Patent JP2022011533
Kind Code:
A
Abstract:
To classify unique expressions into categories efficiently with high accuracy.SOLUTION: A unique expression classifier classifies the plurality of unique expressions extracted from document information into categories by an inference model, accepts input of correct/incorrect information from a user that indicates whether or not the unique expressions are correctly classified into categories, corrects the weight of feature quantity on the basis of the accepted correct/incorrect information, which is used for classification by the inference model, and retrains the inference model on the basis of the weight after correction. When doing the above classification, the inference model finds the probability that indicates the fitness of the unique expressions to the categories, and the unique expression classifier corrects the weight of feature quantity on the basis of the correct/incorrect information and thereby presents unique expressions whose change of probability is large to the user and, at the same time, accepts input of correct/incorrect information.SELECTED DRAWING: Figure 1
Inventors:
KATO DAIBA
TANAKA MICHIKO
TANAKA MICHIKO
Application Number:
JP2020112732A
Publication Date:
January 17, 2022
Filing Date:
June 30, 2020
Export Citation:
Assignee:
HITACHI LTD
International Classes:
G06F40/279; G06F40/216
Attorney, Agent or Firm:
Isshiki International Patent Service Corporation