18090 search results - page 2861 / 3618 » Computing by Only Observing |
175
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SIGMOD
2002
ACM
16 years 7 months ago
2002
ACM
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
199
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PODS
2005
ACM
16 years 7 months ago
2005
ACM
We consider here the exchange of Active XML (AXML) data, i.e., XML documents where some of the data is given explicitly while other parts are given only intensionally as calls to ...
158
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EDBT
2008
ACM
16 years 7 months ago
2008
ACM
Index trees created using distance based indexing are difficult to maintain online since the distance function involved is often costly to compute. This problem is intensified whe...
195
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ICIAP
2003
ACM
16 years 7 months ago
2003
ACM
This paper presents a new technique to segment objects of interest from cluttered background with varying edge densities and illumination conditions from gray scale imagery. An op...
195
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ICIAP
2005
ACM
16 years 7 months ago
2005
ACM
As the accuracy of conventional classifiers, based only on a static partitioning of feature space, appears to be approaching a limit, it may be useful to consider alternative appro...