Patent ID: 11900060
Assignee: KABUSHIKI KAISHA TOSHIBA
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 0:
1. An information processing device comprising:
a memory; and
one or more processors coupled to the memory and configured to:
cluster a plurality of key phrases extracted from a document group to generate a plurality of clusters each including a plurality of items;
extract a sub-document group corresponding to a specified key phrase from the document group;
calculate a score for each of the plurality of clusters, the score indicating usefulness of information displayed in a graph image that indicates an amount of information for each of the plurality of items in the sub-document group;
select a plurality of clusters to be displayed whose scores are from a highest ranking to a predetermined ranking, among the plurality of clusters; and
generate the graph image of each of the plurality of clusters to be displayed, wherein

the one or more processors are further configured to calculate the score based on a coverage indicating a ratio of an amount of information of a plurality of documents belonging to a cluster to be calculated to an amount of information of the document group.