664 search results - page 25 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
ISCC
2003
IEEE
14 years 20 days ago
2003
IEEE
The Internet Distance Map Service (IDMaps) [3] provides distance estimates between any pair of hosts connected to the Internet. The IDMaps system comprises two component types: Tr...
PKDD
2005
Springer
14 years 27 days ago
2005
Springer
This paper presents an unsupervised discretization method that performs density estimation for univariate data. The subintervals that the discretization produces can be used as the...
ICPR
2002
IEEE
14 years 8 months ago
2002
IEEE
This paper proposes a novel view of the information generated by relevance feedback. Latent semantic analysis is adapted to this view to extract useful inter-query information. Th...
SIGIR
2012
ACM
11 years 9 months ago
2012
ACM
We propose a mathematical framework for query selection as a mechanism for reducing the cost of constructing information retrieval test collections. In particular, our mathematica...
ICIP
2007
IEEE
14 years 1 months ago
2007
IEEE
When the appearances of the tracked object and surrounding background change during tracking, fixed feature space tends to cause tracking failure. To address this problem, we prop...