407 search results - page 48 / 82 » Query Estimation by Adaptive Sampling |
CIKM
2009
Springer
15 years 3 months ago
2009
Springer
Federated text search provides a unified search interface for multiple search engines of distributed text information sources. Resource selection is an important component for fed...
ICASSP
2011
IEEE
14 years 3 months ago
2011
IEEE
We propose an environment population projection (EPP) approach for rapid acoustic model adaptation to reduce environment mismatches with limited amounts of adaptation data. This a...
107
Voted
SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
The rich dependency structure found in the columns of real-world relational databases can be exploited to great advantage, but can also cause query optimizers--which usually assum...
DEBU
2000
14 years 11 months ago
2000
Execution plans produced by traditional query optimizers for data integration queries may yield poor performance for several reasons. The cost estimates may be inaccurate, the mem...
125
Voted
SDM
2012
SIAM
13 years 2 months ago
2012
SIAM
In this paper, we consider the multi-task sparse learning problem under the assumption that the dimensionality diverges with the sample size. The traditional l1/l2 multi-task lass...