Title:
ERROR DETECTION SYSTEM AND METHOD THEREFOR
Document Type and Number:
Japanese Patent JP3922375
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To detect abnormity online by monitoring a system wherein a plurality of computers in a web system or the like are operating in correlation with each other.
SOLUTION: Each of the plurality of computers collects the transactions of services for another computer and calculates a correlation matrix between nodes in the system in accordance with the transactions and obtains a feature vector showing the activity balance of nodes from the correlation matrix. The feature vector is monitored by using a probability model to detect transition to an abnormal state.
Inventors:
Tsuyoshi Ide
Kunikazu Yoda
Hisashi Kashima
Hiroaki Eto
Ryo Hiraide
Kunikazu Yoda
Hisashi Kashima
Hiroaki Eto
Ryo Hiraide
Application Number:
JP2004023081A
Publication Date:
May 30, 2007
Filing Date:
January 30, 2004
Export Citation:
Assignee:
INTERNATIONAL BUSINESS MASCHINES CORPORATION
International Classes:
G06F11/30; G06F11/00; G06F11/34; G06F13/00; G06F15/00; (IPC1-7): G06F15/00; G06F11/30; G06F11/34; G06F13/00
Domestic Patent References:
| JP2005190277A | ||||
| JP2003263342A | ||||
| JP11259331A |
Attorney, Agent or Firm:
Hiroshi Sakaguchi
Yoshihiro City
Takeshi Ueno
Yoshihiro City
Takeshi Ueno
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