Multiplicative Forests for Continuous-Time Processes.
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ABSTRACT:
SUBMITTER: Weiss JC
PROVIDER: S-EPMC4182941 | biostudies-literature | 2012
REPOSITORIES: biostudies-literature
Publications
Multiplicative Forests for Continuous-Time Processes.
Weiss Jeremy C JC Natarajan Sriraam S Page David D
Advances in neural information processing systems 20120101
Learning temporal dependencies between variables over continuous time is an important and challenging task. Continuous-time Bayesian networks effectively model such processes but are limited by the number of conditional intensity matrices, which grows exponentially in the number of parents per variable. We develop a partition-based representation using regression trees and forests whose parameter spaces grow linearly in the number of node splits. Using a multiplicative assumption we show how to ...[more]
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