DATA OUTPUT DEVICE, DATA OUTPUT METHOD, AND DATA OUTPUT PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a data output device that updates a similarity calculation formula to calculate similarity between data having different attributes and outputs data according to an update result.

SOLUTION: A database 10 stores a plurality of data having different attributes and a similarity calculation formula to calculate similarity between each of the data. Data extraction means 20 extracts data corresponding to an input keyword from the database 10. Data output means 30 outputs the data extracted by the data extraction means 20. Feedback information input means 40 inputs feedback information including information that shows selection operation performed by a user according to the data output by the data output means 30. Similarity update means 50 updates the similarity calculation formula to calculate similarity between the stored data and the input keyword on the basis of the feedback information and to store it in the database 10.

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