664 search results - page 49 / 133 » Adaptive Selectivity Estimation Using Query Feedback |
ICC
2008
IEEE
15 years 6 months ago
2008
IEEE
—Cognitive radios have the ability to sense their RF environment and adapt their transmission parameters to perform optimally in any situation. Part of this involves selecting th...
ICIP
2007
IEEE
16 years 1 months ago
2007
IEEE
Interest point detectors are the starting point in image analysis for depth estimation using epipolar geometry and camera ego-motion estimation. With several detectors defined in ...
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SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
AAAI
2008
15 years 2 months ago
2008
Traditional information retrieval systems use query words to identify relevant documents. In difficult retrieval tasks, however, one needs access to a wealth of background knowled...
ISDA
2009
IEEE
15 years 6 months ago
2009
IEEE
In this paper, we discuss the the role of the retrieval component in an TREC style opinion question answering system. Since blog retrieval differs from traditional ad-hoc document...