Information processing device, information processing method, program, and recording medium

摘要

An information processing device includes a referring unit configured to refer to a table in which a characteristic of each piece of first information is expressed as distribution of model parameters in a plurality of semantic classes, in units of pieces of the first information; an obtaining unit configured to obtain second information to be searched for; a calculating unit configured to calculate similarities between the second information and the respective pieces of the first information; and a first reading unit configured to read the pieces of the first information from the table in descending order of the similarity.