| 摘要 |
PROBLEM TO BE SOLVED: To provide an information processing device configured to improve document search accuracy.SOLUTION: An information processing device includes: a document information storage part storing document information; an analysis part for analyzing modification relation between words included in a search key document to be used for search and the document information; a graph creating part that creates a digraph of the search key document and a digraph of the document information, indicating phrases formed of the words and a modification relation between the phrases, on the basis of the modification relation between the words analyzed by the analysis part; a similarity calculation part which compares the digraph of the search key document with the digraph of the document information created by the graph creating part to calculate similarity between the search key document and the document information; and a display control part which displays a search result of the document information, on the basis of the similarity calculated by the similarity calculation part. |
