To provide a monitoring device whose processing time is shorter than that of the conventional technology, and which does not require "rules" or the like to be preliminarily created by an experienced person.
The monitoring device obtains alarms or warning messages from the respective devices, and includes: a grouping means for storing the obtained messages in message tables for each transmission source address of the messages; a compression means for consolidating duplicated messages in the message tables into one; a clustering means for determining messages relevant to one another in the respective message tables based on content information included in the messages to group a series of the determined messages relevant to one another into clusters; and a cause analysis means for determining a warning message in the lowest order layer as a cause warning among the warning messages included in the respective clusters.
COPYRIGHT: (C)2011,JPO&INPIT
Hiroyuki Shinbo
Hidetoshi Yokota
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Kaori Tanaka
Sanji Tanabe