SEARCH QUERY ANALYSIS DEVICE, SEARCH QUERY ANALYSIS METHOD, AND COMPUTER-READABLE RECORDING MEDIUM

摘要

A search query analysis device (1) according to the present invention is provided with a search query sorting unit (13) that sorts a plurality of search queries input by a user into a plurality of search query groups in chronological order, and specifies a purchase search query group that includes a search query input immediately before a product purchase of the user and first search query groups input before the purchase search query group, among the plurality of search query groups, a keyword extraction unit (12) that extracts a keyword group from a description of a purchased product purchased by the user, and a search query group extraction unit (14) that computes a similarity between the first search query groups and the keyword group, and extracts a first search query group whose similarity is less than a threshold.

主权项

1. A search query analysis device comprising:
a search query sorting unit that sorts a plurality of search queries input by a user into a plurality of search query groups in chronological order, and specifies a purchase search query group that includes a search query input immediately before a product purchase of the user and first search query groups input before the purchase search query group, among the plurality of search query groups; a keyword extraction unit that extracts a keyword group from a description of a purchased product purchased by the user; and a search query group extraction unit that computes a similarity between the first search query groups and the keyword group extracted by the keyword extraction unit, and extracts a first search query group whose similarity is less than a threshold.