| 摘要 |
An information processing device includes a detail level estimation unit that estimates a detail level of each of at least two documents, the detail level indicating degree to which a content of the document is detailed, a similarity degree estimation unit that estimates a similarity degree between two of the at least two documents, and a document relationship output unit that outputs a document relationship for the two of the at least two documents the similarity degree of which satisfies a predetermined condition, wherein in the document relationship, one of the two of the at least two documents is determined as a summarized document that shows a summary of other document of the two of the at least two documents, and the detail level of the one of the two of the at least two documents is lower than the detail level of the other of the two. |
