Sciweavers

2034 search results - page 123 / 407
» Substring Selectivity Estimation
Sort
View
143
Voted
ACL
2007
15 years 3 months ago
A Comparative Study of Parameter Estimation Methods for Statistical Natural Language Processing
This paper presents a comparative study of five parameter estimation algorithms on four NLP tasks. Three of the five algorithms are well-known in the computational linguistics com...
Jianfeng Gao, Galen Andrew, Mark Johnson, Kristina...
SDM
2010
SIAM
165views Data Mining» more  SDM 2010»
15 years 3 months ago
Direct Density Ratio Estimation with Dimensionality Reduction
Methods for directly estimating the ratio of two probability density functions without going through density estimation have been actively explored recently since they can be used...
Masashi Sugiyama, Satoshi Hara, Paul von Büna...
SIGMOD
2004
ACM
161views Database» more  SIGMOD 2004»
16 years 2 months ago
Approximation Techniques for Spatial Data
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
Abhinandan Das, Johannes Gehrke, Mirek Riedewald
IEICET
2007
94views more  IEICET 2007»
15 years 2 months ago
A New Meta-Criterion for Regularized Subspace Information Criterion
In order to obtain better generalization performance in supervised learning, model parameters should be determined appropriately, i.e., they should be determined so that the gener...
Yasushi Hidaka, Masashi Sugiyama
EWSN
2008
Springer
16 years 1 months ago
Tracking Dynamic Boundary Fronts Using Range Sensors
Abstract. We examine the problem of tracking dynamic boundaries occurring in natural phenomena using range sensors. Two main challenges of the boundary tracking problem are energy-...
Subhasri Duttagupta, Krithi Ramamritham, Purushott...