| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To extract a part of URI characterizing a business processing from logs of a multi-layer server system. <P>SOLUTION: A feature extraction method includes: a step of specifying, for every child log including a business type identifier included in a message to a lower layer server and start time and end time of a business processing performed in the lower layer server, an inclusive parent log as a parent log including the start time and end time inclusive of the start time and end time included in the child log, registering the business type identifier included in the child log and a URI path included in the inclusive parent log to a child-parent relationship candidate table while counting and registering combinations of the business type identifier and the URI path; a step of extracting, from the child-parent relationship table, the path of URI included in the combination largest in count value for every business type identifier; and a step of outputting a set with the URI path not matching the URI paths in other sets in a child-parent relationship list. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
