INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To make the co-occurrence relation of a keyword in content and a keyword in a summary appropriately learned by appropriately processing the keyword in the summary that could become a related keyword or a mixed-in keyword.SOLUTION: The present invention provides an information processing device comprising: a keyword acquisition unit for acquiring a set of first and second keywords in plurality; a classification unit for classifying each of the plurality of second keywords into each of a plurality of topics; an estimation unit for estimating, for each of the plurality of sets, whether a first keyword is a related keyword relating to the topic into which the second keyword is classified or a mixed-in keyword that is not related; and an assignment unit for assigning the first keyword that is estimated to be the related keyword to the topic into which the second keyword of the same set is classified, and assigning the first keyword that is estimated to be the mixed-in keyword to one of topics into which it is to be classified.