5284 search results - page 146 / 1057 » Sampling search-engine results |
IJCAI
1997
13 years 11 months ago
1997
Weak causal relationships and small sample size pose two significant difficulties to the automatic discovery of causal models from observational data. This paper examines the infl...
GRAPHICSINTERFACE
2003
13 years 11 months ago
2003
Ray tracing techniques need supersampling to reduce aliasing and/or noise in the final image. Since not all the pixels in the image require the same number of rays, supersampling...
JMLR
2006
13 years 10 months ago
2006
We study the computational and sample complexity of parameter and structure learning in graphical models. Our main result shows that the class of factor graphs with bounded degree...
AI
2007
Springer
14 years 4 months ago
2007
Springer
Importance sampling-based algorithms are a popular alternative when Bayesian network models are too large or too complex for exact algorithms. However, importance sampling is sensi...
SIGMOD
2004
ACM
14 years 10 months ago
2004
ACM
Block-level sampling is far more efficient than true uniform-random sampling over a large database, but prone to significant errors if used to create database statistics. In this ...