489 search results - page 12 / 98 » Query Selectivity Estimation via Data Mining |
WEBI
2009
Springer
15 years 4 months ago
2009
Springer
—On participatory Websites, users provide opinions about products, with both overall ratings and textual reviews. In this paper, we propose an approach to accurately estimate fea...
EDBT
2006
ACM
15 years 9 months ago
2006
ACM
Given a set of N multi-dimensional points, we study the computation of -quantiles according to a ranking function F, which is provided by the user at runtime. Specifically, F compu...
DAWAK
2005
Springer
15 years 3 months ago
2005
Springer
The queries defined on data warehouses are complex and use several join operations that induce an expensive computational cost. This cost becomes even more prohibitive when querie...
SDM
2008
SIAM
14 years 11 months ago
2008
SIAM
Sample selection bias is a common problem in many real world applications, where training data are obtained under realistic constraints that make them follow a different distribut...
ICDM
2008
IEEE
15 years 3 months ago
2008
IEEE
We propose a new statistical approach to the problem of inlier-based outlier detection, i.e., finding outliers in the test set based on the training set consisting only of inlier...