1787 search results - page 150 / 358 » Approximation Techniques for Spatial Data |
229
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ICDE
2006
IEEE
16 years 6 months ago
2006
IEEE
We consider the problem of continuously maintaining order sketches over data streams with a relative rank error guarantee . Novel space-efficient and one-scan randomised technique...
160
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IDEAS
2008
IEEE
15 years 11 months ago
2008
IEEE
With more and more natural language text stored in databases, handling respective query predicates becomes very important. Optimizing queries with predicates includes (sub)string ...
150
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SIGMOD
2004
ACM
16 years 5 months ago
2004
ACM
Many algorithms have been proposed to approximate holistic aggregates, such as quantiles and heavy hitters, over data streams. However, little work has been done to explore what t...
153
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CVPR
2008
IEEE
16 years 7 months ago
2008
IEEE
The goal of image categorization is to classify a collection of unlabeled images into a set of predefined classes to support semantic-level image retrieval. The distance measures ...
133
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DOLAP
2006
ACM
15 years 11 months ago
2006
ACM
Motivated by the increasing need to analyze complex, uncertain multidimensional data this paper proposes probabilistic OLAP queries that are computed using probability distributio...