Nippon Telegraph and Telephone Corporation

Shosuke Oba

Kazunori Kamiya

Bo Hu

An analysis device includes processing circuitry configured to generate a graph in which each IP host indicated in communication information is set as a node and communication between the each IP host is set as an edge on a basis of the communication information of a network, calculate a degree of relevance between a predetermined IP host and each IP host on the graph using the generated graph, correct the graph by adding or deleting an edge connecting each IP host on the graph on a basis of a degree of relevance between a predetermined IP host and each IP host on the graph, calculate a degree of relevance between the predetermined IP host and each IP host using the corrected graph, and output a degree of relevance between the predetermined IP host and each IP host.

Growing community of inventors

Tokyo, Japan

Shosuke Oba