664 search results - page 36 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
SSDBM
2003
IEEE
15 years 5 months ago
2003
IEEE
Accessing data stored in persistent memory represents a bottleneck for current visual exploration applications. Semantic caching of frequent queries at the client-side along with ...
TREC
2007
15 years 29 days ago
2007
Four baseline experiments using standard Indri retrieval facilities and simple query formulation techniques and two experiments using more advanced formulations (dependence models...
MCS
2004
Springer
15 years 5 months ago
2004
Springer
Despite the good results provided by Dynamic Classifier Selection (DCS) mechanisms based on local accuracy in a large number of applications, the performances are still capable of ...
ECIR
2009
Springer
15 years 9 months ago
2009
Springer
Abstract. We present a new learning to rank framework for estimating context-sensitive term weights without use of feedback. Specifically, knowledge of effective term weights on ...
PRL
2006
14 years 11 months ago
2006
We analyze the computer vision task of pixel-level background subtraction. We present recursive equations that are used to constantly update the parameters of a Gaussian mixture m...