Patent ID: 9418102
Filing Date: 2016-08-16
CPC Classification: G06F

Claim Text:
1. An information processing device, including at east one processor, comprising: a pair search word generating unit, within said at least one processor, that in association with user specifying information for specifying a user who uses search words and search time specifying information for specifying search times which are times at which search processing is executed using the search words, generates a pair search word which is obtained by forming a pair of a preceding search word and a subsequent search word in the search times in accordance with an order of the search times, from search words in which intervals between the search times associated with the identical user specifying information are within a predetermined time, with reference to a search word memory unit that stores the search words; a first appearance count calculating unit. within said at least one processor, that calculates a first appearance count which is equal to a number of times a specific pair search word appears among pair search words generated by the pair search word generating unit; a second appearance count calculating unit, within said at least one processor, that calculates a second appearance count which is equal to a number of times a reverse order pair search word obtained by reversing a search time of the specific pair search word appears; and a memory that, when a magnitude relationship between the first appearance count and the second appearance account calculated by the first and second appearance count calculating unit satisfies a predetermined condition, stores the preceding search word and the subsequent search word as a thesaurus.