| 摘要 |
<P>PROBLEM TO BE SOLVED: To improve the accuracy in selection of an instance highly relevant with meta information. <P>SOLUTION: The device comprises an ontology database storing a plurality of instances each composed of an item name showing the name of an item possessed by a class and an item value that is a value of the item; a metadata input receiving part for receiving input of metadata composed of an item name and an item value set with an instance as a selection object; a relevancy calculation part for calculating, for each instance, a relevancy showing a relation between instance and metadata by use of a weighting coefficient for the similarity between at least one of the item name and item value of the instance concerned and the metadata input of which is received; and a selection part for selecting, based on the calculated relevancy, an instance high relevant with the metadata from the plurality of instances. <P>COPYRIGHT: (C)2008,JPO&INPIT |
