| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a data analysis apparatus which identifies the identity of a user and sorting and summarizing network traffic data, when acquiring audit trail from traffic data that pass through a network. <P>SOLUTION: A processor 103 holds account information of various services that each of users uses and identifies the user corresponding to traffic data from each of the account information contained in the traffic data. Furthermore, the processor 103 identifies a terminal from a transmission/reception address of the traffic data and a traffic detection position and makes the user and the terminal, correspond according to the account information contained in the traffic data, and the traffic data that do not contain account information identify the user that corresponds to the terminal identified from the transmission/reception address as a user that corresponds to the traffic data. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
