98 search results - page 13 / 20 » Robust ranking models via risk-sensitive optimization |
156
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SIGMOD
2009
ACM
15 years 9 months ago
2009
ACM
In this paper, we consider the problem of keyword query cleaning for structured databases from a probabilistic approach. Keyword query cleaning consists of rewriting the user quer...
ECCV
2002
Springer
15 years 11 months ago
2002
Springer
We present a novel method for inferring three-dimensional shape from a collection of defocused images. It is based on the observation that defocused images are the null-space of ce...
CORR
2008
Springer
14 years 9 months ago
2008
Springer
Compressive sensing (CS) is an alternative to Shannon/Nyquist sampling for acquisition of sparse or compressible signals that can be well approximated by just K N elements from a...
ICPR
2006
IEEE
15 years 10 months ago
2006
IEEE
We present a unified framework for modeling and solving invariant point pattern matching problems. Invariant features are encoded as potentials in a probabilistic graphical model....
114
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SIGIR
2011
ACM
14 years 10 days ago
2011
ACM
Pseudo-relevance feedback has proven effective for improving the average retrieval performance. Unfortunately, many experiments have shown that although pseudo-relevance feedback...