1297 search results - page 1 / 260 » Refractor Importance Sampling |
UAI
2008
13 years 8 months ago
2008
In this paper we introduce Refractor Importance Sampling (RIS), an improvement to reduce error variance in Bayesian network importance sampling propagation under evidential reason...
AI
2011
Springer
13 years 2 months ago
2011
Springer
The paper focuses on developing effective importance sampling algorithms for mixed probabilistic and deterministic graphical models. The use of importance sampling in such graphi...
SAC
2008
ACM
13 years 6 months ago
2008
ACM
In this paper, we propose an adaptive algorithm that iteratively updates both the weights and component parameters of a mixture importance sampling density so as to optimise the p...
ETT
2002
13 years 7 months ago
2002
In this paper, a method is presented for the efficient estimation of rare-event (buffer overflow) probabilities in queueing networks using importance sampling. Unlike previously pr...
AAAI
2012
11 years 9 months ago
2012
We consider lifted importance sampling (LIS), a previously proposed approximate inference algorithm for statistical relational learning (SRL) models. LIS achieves substantial vari...