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Sensors 2015, 15(4), 9112-9135; doi:10.3390/s150409112

Basic Characteristics of a Macroscopic Measure for Detecting Abnormal Changes in a Multiagent System

Research Institute of Electrical Communication, Tohoku University, Katahira 2-1-1, Aoba-ku, Sendai 980-8577, Japan
Academic Editor: Vittorio M.N. Passaro
Received: 6 February 2015 / Revised: 13 April 2015 / Accepted: 13 April 2015 / Published: 17 April 2015
(This article belongs to the Section Physical Sensors)
View Full-Text   |   Download PDF [1195 KB, uploaded 22 April 2015]   |  

Abstract

Multiagent application systems must deal with various changes in both the system and the system environment at runtime. Generally, such changes have undesirable negative effects on the system. To manage and control the system, it is important to observe and detect negative effects using an appropriate observation function of the system’s behavior. This paper focuses on the design of this function and proposes a new macroscopic measure with which to observe behavioral characteristics of a runtime multiagent system. The proposed measure is designed as the variance of fluctuation of a macroscopic activity factor of the whole system, based on theoretical analysis of the macroscopic behavioral model of a multiagent system. Experiments are conducted to investigate basic characteristics of the proposed measure, using a test bed system. The results of experiments show that the proposed measure reacts quickly and increases drastically in response to abnormal changes in the system. Hence, the proposed measure is considered a measure that can be used to detect undesirable changes in a multiagent system. View Full-Text
Keywords: macroscopic behavioral model; variance of fluctuation; behavioral monitoring; multiagent system; empirical study macroscopic behavioral model; variance of fluctuation; behavioral monitoring; multiagent system; empirical study
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Kinoshita, T. Basic Characteristics of a Macroscopic Measure for Detecting Abnormal Changes in a Multiagent System. Sensors 2015, 15, 9112-9135.

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