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» High-level approach to modeling of observed system behavior
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ICC
2009
IEEE
123views Communications» more  ICC 2009»
15 years 6 months ago
Combining Hidden Markov Models for Improved Anomaly Detection
—In host-based intrusion detection systems (HIDS), anomaly detection involves monitoring for significant deviations from normal system behavior. Hidden Markov Models (HMMs) have...
Wael Khreich, Eric Granger, Robert Sabourin, Ali M...
ICIS
2000
15 years 1 months ago
Managing customer turnover in online services: a systems thinking approach
Even as they enjoy impressive growth, one of the major challenges facing providers of online services is a high rate of customer turnover. It has adverse impacts on business perfo...
Amitava Dutta
GCC
2003
Springer
15 years 5 months ago
Network Behavior Analysis Based on a Computer Network Model
This paper applies a new traffic model, iterated function systems (IFS) for network traffic modelling, to explore computer network behaviour and analyse network performance. IFS mo...
Weili Han, Shuai Dianxun, Yujun Liu
QEST
2007
IEEE
15 years 6 months ago
Automated Analysis of Simulation Traces - Separating Progress from Repetitive Behavior
Among the many stages of a simulation study, debugging a simulation model is the one that is hardly reported on but that may consume a considerable amount of time and effort. In t...
Peter Kemper, Carsten Tepper
VRST
2004
ACM
15 years 5 months ago
Observing effects of attention on presence with fMRI
Presence is one of the goals of many virtual reality systems. Historically, in the context of virtual reality, the concept of presence has been associated much with spatial percep...
Sungkil Lee, Gerard Jounghyun Kim, Janghan Lee