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» Comonadic Notions of Computation
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ICML
2002
IEEE
16 years 5 months ago
Hierarchically Optimal Average Reward Reinforcement Learning
Two notions of optimality have been explored in previous work on hierarchical reinforcement learning (HRL): hierarchical optimality, or the optimal policy in the space defined by ...
Mohammad Ghavamzadeh, Sridhar Mahadevan
144
Voted
ISBI
2006
IEEE
16 years 5 months ago
Continuous image representations avoid the histogram binning problem in mutual information based image registration
Mutual information (MI) based image-registration methods that use histograms are known to suffer from the so-called binning problem, caused by the absence of a principled techniqu...
Ajit Rajwade, Arunava Banerjee, Anand Rangarajan
WWW
2007
ACM
16 years 5 months ago
Ontology summarization based on rdf sentence graph
Ontology summarization is very important to quick understanding and selection of ontologies. In this paper, we study extractive summarization of ontology. We propose a notion of R...
Xiang Zhang, Gong Cheng, Yuzhong Qu
ICLP
2009
Springer
16 years 5 months ago
Merging Logic Programs under Answer Set Semantics
This paper considers a semantic approach for merging logic programs under answer set semantics. Given logic programs P1, . . . , Pn, the goal is to provide characterisations of the...
James P. Delgrande, Torsten Schaub, Hans Tompits, ...
CAV
2009
Springer
157views Hardware» more  CAV 2009»
16 years 5 months ago
Explaining Counterexamples Using Causality
Abstract. When a model does not satisfy a given specification, a counterexample is produced by the model checker to demonstrate the failure. A user must then examine the counterexa...
Ilan Beer, Shoham Ben-David, Hana Chockler, Avigai...