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» Efficient Multidimensional Sampling
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UAI
2004
15 years 5 months ago
From Fields to Trees
We present new MCMC algorithms for computing the posterior distributions and expectations of the unknown variables in undirected graphical models with regular structure. For demon...
Firas Hamze, Nando de Freitas
VLDB
2001
ACM
146views Database» more  VLDB 2001»
16 years 4 months ago
Combining multi-visual features for efficient indexing in a large image database
Abstract. The optimized distance-based access methods currently available for multidimensional indexing in multimedia databases have been developed based on two major assumptions: ...
Anne H. H. Ngu, Quan Z. Sheng, Du Q. Huynh, Ron Le...
VLDB
2003
ACM
147views Database» more  VLDB 2003»
16 years 4 months ago
RE-tree: an efficient index structure for regular expressions
Due to their expressive power, Regular Expressions (REs) are quickly becoming an integral part of language specifications for several important application scenarios. Many of thes...
Chee Yong Chan, Minos N. Garofalakis, Rajeev Rasto...
ECML
2006
Springer
15 years 7 months ago
Bandit Based Monte-Carlo Planning
Abstract. For large state-space Markovian Decision Problems MonteCarlo planning is one of the few viable approaches to find near-optimal solutions. In this paper we introduce a new...
Levente Kocsis, Csaba Szepesvári
134
Voted
SODA
2004
ACM
74views Algorithms» more  SODA 2004»
15 years 5 months ago
Torpid mixing of simulated tempering on the Potts model
Simulated tempering and swapping are two families of sampling algorithms in which a parameter representing temperature varies during the simulation. The hope is that this will ove...
Nayantara Bhatnagar, Dana Randall