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KDD
2007
ACM
124views Data Mining» more  KDD 2007»
14 years 1 months ago
Hierarchical mixture models: a probabilistic analysis
Mixture models form one of the most widely used classes of generative models for describing structured and clustered data. In this paper we develop a new approach for the analysis...
Mark Sandler
LICS
1998
IEEE
13 years 12 months ago
On Proofs about Threshold Circuits and Counting Hierarchies
Hierarchies (Extended Abstract) Jan Johannsen Chris Pollett Department of Mathematics Department of Computer Science University of California, San Diego Boston University La Jolla,...
Jan Johannsen, Chris Pollett
CP
2007
Springer
13 years 11 months ago
The Expressive Power of Valued Constraints: Hierarchies and Collapses
Abstract. In this paper we investigate the ways in which a fixed collection of valued constraints can be combined to express other valued constraints. We show that in some cases a ...
David A. Cohen, Peter Jeavons, Stanislav Zivn&yacu...
IJFCS
2010
92views more  IJFCS 2010»
13 years 5 months ago
Collapsing the Hierarchy of Parallel Computational Models
We investigate the computational power of parallel models with directed reconfigurable buses and with shared memory. Based on feasibility considerations present in the literature,...
Stefan D. Bruda, Yuanqiao Zhang
ICS
2010
Tsinghua U.
13 years 10 months ago
Speeding up Nek5000 with autotuning and specialization
Autotuning technology has emerged recently as a systematic process for evaluating alternative implementations of a computation, in order to select the best-performing solution for...
Jaewook Shin, Mary W. Hall, Jacqueline Chame, Chun...