620 search results - page 52 / 124 » Algorithms for Rewriting Aggregate Queries Using Views |
130
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INFOCOM
2006
IEEE
15 years 10 months ago
2006
IEEE
— A key function for network traffic monitoring and analysis is the ability to perform aggregate queries over multiple data streams. Change detection is an important primitive w...
228
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PODS
2009
ACM
16 years 4 months ago
2009
ACM
We consider the problem of deciding query equivalence for a conjunctive language in which queries output complex objects composed from a mixture of nested, unordered collection ty...
137
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ENTCS
2008
15 years 4 months ago
2008
Proofs of termination in term rewriting involve solving constraints between terms coming from (parts of) the rules of the term rewriting system. A common way to deal with such con...
149
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DOLAP
2005
ACM
15 years 5 months ago
2005
ACM
We propose a new functional framework for modeling, querying and reasoning about OLAP databases. The framework represents data (data cubes and dimensional hierarchies) and queryin...
184
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CVPR
2012
IEEE
13 years 6 months ago
2012
IEEE
We propose a system for the automatic segmentation of novelties from the background in scenarios where multiple images of the same environment are available e.g. obtained by weara...