The interest information offer device, the machine word selection means which select the machine word which is included in interest

摘要

PROBLEM TO BE SOLVED: To provide unexpected information in which individuals may be interested with a statistically strong likelihood.;SOLUTION: A form ontology 6 serving as the form of a personal ontology in which personal interest information is hierarchized in terms of ideas is retained in a server 5. From the root class of the form ontology 6, a personal ontology extracting means 5c extracts direct ancestry classes and instances up to its class or instance as personal ontologies. Between the personal ontologies with their similarity equal to or greater than a predetermined value, an unexpected information extracting means 5e extracts, as unexpected information, classes or instances that are included in one of the personal ontologies but not included in the other of the personal ontologies. An unexpected information providing means 5f provides the unexpected information extracted by the unexpected information extracting means 5e to users who do not have the unexpected information.;COPYRIGHT: (C)2007,JPO&INPIT