Sciweavers

407 search results - page 42 / 82
» Query Estimation by Adaptive Sampling
Sort
View
PRL
2010
149views more  PRL 2010»
14 years 6 months ago
Adaptive linear models for regression: Improving prediction when population has changed
The general setting of regression analysis is to identify a relationship between a response variable Y and one or several explanatory variables X by using a learning sample. In a ...
Charles Bouveyron, Julien Jacques
ADC
2008
Springer
100views Database» more  ADC 2008»
15 years 1 months ago
UserMap : an Adaptive Enhancing of User-Driven XML-to-Relational Mapping Strategies
As the XML has become a standard for data representation, it is inevitable to propose and implement techniques for efficient managing of XML data. A natural alternative is to expl...
Irena Mlynkova, Jaroslav Pokorný
TOIS
2008
145views more  TOIS 2008»
14 years 11 months ago
Classification-aware hidden-web text database selection
Many valuable text databases on the web have non-crawlable contents that are "hidden" behind search interfaces. Metasearchers are helpful tools for searching over multip...
Panagiotis G. Ipeirotis, Luis Gravano
PG
2007
IEEE
15 years 6 months ago
Real-Time Approximate Subsurface Scattering on Graphics Hardware
This paper presents an image-space approximation technique for real-time subsurface scattering. We first create transmitted irradiance samples on shadow maps and then estimate si...
Hyunwoo Ki, Jihye Lyu, Kyoungsu Oh
TSP
2010
14 years 6 months ago
Shrinkage algorithms for MMSE covariance estimation
We address covariance estimation in the sense of minimum mean-squared error (MMSE) when the samples are Gaussian distributed. Specifically, we consider shrinkage methods which are ...
Yilun Chen, Ami Wiesel, Yonina C. Eldar, Alfred O....