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JMLR
2006
190views more  JMLR 2006»
15 years 6 months ago
Causal Graph Based Decomposition of Factored MDPs
We present Variable Influence Structure Analysis, or VISA, an algorithm that performs hierarchical decomposition of factored Markov decision processes. VISA uses a dynamic Bayesia...
Anders Jonsson, Andrew G. Barto
JSW
2008
95views more  JSW 2008»
15 years 6 months ago
Architecture Support for Behavior-based Adaptive Checkpointing
Checkpointing is a commonly used approach to provide system fault-tolerance. However, using a constant checkpointing frequency may compromise the system's overall performance ...
Nianen Chen, Shangping Ren
CRV
2009
IEEE
115views Robotics» more  CRV 2009»
16 years 1 months ago
Learning Model Complexity in an Online Environment
In this paper we introduce the concept and method for adaptively tuning the model complexity in an online manner as more examples become available. Challenging classification pro...
Dan Levi, Shimon Ullman
DSN
2008
IEEE
16 years 1 months ago
Automatic security assessment of critical cyber-infrastructures
This research investigates the automation of security assessment of the static and dynamic properties of cyberinfrastructures, with emphasis on the electrical power grid. We descr...
Zahid Anwar, Ravinder Shankesi, Roy H. Campbell
SIGMOD
2006
ACM
219views Database» more  SIGMOD 2006»
16 years 6 months ago
Modeling skew in data streams
Data stream applications have made use of statistical summaries to reason about the data using nonparametric tools such as histograms, heavy hitters, and join sizes. However, rela...
Flip Korn, S. Muthukrishnan, Yihua Wu