DOCUMENT FEATURE EXTRACTION DEVICE, DOCUMENT FEATURE EXTRACTION METHOD, AND DOCUMENT FEATURE EXTRACTION PROGRAM

摘要

PROBLEM TO BE SOLVED: To appropriately extract a feature corresponding to a browser's browsing intention using a reference relationship between structured documents.;SOLUTION: A browsing history recording unit 2 of a document feature extraction device 1 records a browsing history of each browser in a browsing history set DB 3. A feature extraction unit 4 extracts a link and related text of the link from a structured document as a link source included in the browsing history in the DB 3. Words are extracted from body text as a representative portion in a structured document as a link destination including the extracted information. A feature recalculation unit 5 calculates weighting for the extracted words. An output unit 6 outputs the extracted words in a priority order corresponding to the weighting.;COPYRIGHT: (C)2013,JPO&INPIT