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

Claim 15:
16. 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

for a first key phrase that is the specified key phrase, the one or more processors are configured to:
extract the sub-document group;
calculate the score for each of the plurality of clusters;
select the plurality of clusters to be displayed; and
generate the graph image of each of the plurality of clusters to be displayed, and

after the graph image of each of the plurality of clusters to be displayed, which are selected for the first key phrase, is displayed, for a second key phrase that is the specified key phrase, the one or more processors are configured to:
extract the sub-document group;
calculate the score for each of the plurality of clusters;
select the plurality of clusters to be displayed; and
generate the graph image of each of the plurality of clusters to be displayed.