| 摘要 |
PROBLEM TO BE SOLVED: To provide retrieval program and device which can retrieve a content sentence similar to a query sentence on the basis of the rough flow of a story.SOLUTION: A program comprises: a predicate phrase table 10 which is defined in advance by associating a relationship between a first-out object number value and a last-out object number value with a predicate phrase for each identifier; a target numerical value extraction unit 11 which extracts a plurality of object number values from the content sentence; a content identifier extraction unit 12 which extracts identifier system based on the relationship between the first-out object number value and the last-out object number value by use of the predicate phrase table for each content sentence; a registration database 13 which associates the identifier system with each of the content sentences and registers the identifier system; a query identifier extraction unit 14 which extracts the identifier system corresponding to the predicate phrase included in a query sentence from the query sentence using the predicate phrase table; and a retrieval unit 15 which retrieves a content sentence associated with the identifier system that has the same order relation as the query identifier system using the registration database.SELECTED DRAWING: Figure 1 |
