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» Interpreting distributed ontologies
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IPPS
2002
IEEE
14 years 2 months ago
Detecting Temporal Logic Predicates on the Happened-Before Model
Detection of a global predicate is a fundamental problem in distributed computing. In this paper we describe new predicate detection algorithms for certain temporal logic predicat...
Alper Sen, Vijay K. Garg
NIPS
2008
13 years 11 months ago
Signal-to-Noise Ratio Analysis of Policy Gradient Algorithms
Policy gradient (PG) reinforcement learning algorithms have strong (local) convergence guarantees, but their learning performance is typically limited by a large variance in the e...
John W. Roberts, Russ Tedrake
ICASSP
2011
IEEE
13 years 1 months ago
A Bernoulli-Gaussian model for gene factor analysis
This paper investigates a Bayesian model and a Markov chain Monte Carlo (MCMC) algorithm for gene factor analysis. Each sample in the dataset is decomposed as a linear combination...
Cecile Bazot, Nicolas Dobigeon, Jean-Yves Tournere...
PODS
2005
ACM
115views Database» more  PODS 2005»
14 years 9 months ago
Histograms revisited: when are histograms the best approximation method for aggregates over joins?
The traditional statistical assumption for interpreting histograms and justifying approximate query processing methods based on them is that all elements in a bucket have the same...
Alin Dobra
ICAS
2009
IEEE
126views Robotics» more  ICAS 2009»
14 years 4 months ago
Self-Adaptive Techniques for the Load Trend Evaluation of Internal System Resources
Modern distributed systems that have to avoid performance degradation and system overload require several runtime management decisions for load balancing and load sharing, overloa...
Sara Casolari, Michele Colajanni, Stefania Tosi