Sciweavers

3491 search results - page 306 / 699
» Cascaded Markov Models
Sort
View
ICML
2008
IEEE
16 years 7 months ago
Reinforcement learning with limited reinforcement: using Bayes risk for active learning in POMDPs
Partially Observable Markov Decision Processes (POMDPs) have succeeded in planning domains that require balancing actions that increase an agent's knowledge and actions that ...
Finale Doshi, Joelle Pineau, Nicholas Roy
ICML
2006
IEEE
16 years 7 months ago
Discriminative unsupervised learning of structured predictors
We present a new unsupervised algorithm for training structured predictors that is discriminative, convex, and avoids the use of EM. The idea is to formulate an unsupervised versi...
Linli Xu, Dana F. Wilkinson, Finnegan Southey, Dal...
ICML
2005
IEEE
16 years 7 months ago
Expectation maximization algorithms for conditional likelihoods
We introduce an expectation maximizationtype (EM) algorithm for maximum likelihood optimization of conditional densities. It is applicable to hidden variable models where the dist...
Jarkko Salojärvi, Kai Puolamäki, Samuel ...
RECOMB
2001
Springer
16 years 7 months ago
Fast recovery of evolutionary trees with thousands of nodes
We present a novel distance-based algorithm for evolutionary tree reconstruction. Our algorithm reconstructs the topology of a tree with n leaves in O(n2 ) time using O(n) working...
Miklós Csürös
ICALP
2009
Springer
16 years 7 months ago
The Number of Symbol Comparisons in QuickSort and QuickSelect
Abstract We revisit the classical QuickSort and QuickSelect algorithms, under a complexity model that fully takes into account the elementary comparisons between symbols composing ...
Brigitte Vallée, James Allen Fill, Julien C...