6650 search results - page 1004 / 1330 » Mutating database queries |
269
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
We give semantic characterizations of the expressive power of navigational XPath (also called Core XPath) in terms of first order logic. XPath can be used to specify sets of nodes...
265
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SIGMOD
2005
ACM
16 years 7 months ago
2005
ACM
Borealis is a distributed stream processing engine that is being developed at Brandeis University, Brown University, and MIT. Borealis inherits core stream processing functionalit...
170
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SIGMOD
2003
ACM
16 years 7 months ago
2003
ACM
Data sharing in current P2P systems is very much restricted to file-system-like capabilities. In this paper, we present the strategies that we have adopted in our BestPeer project...
154
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PODS
2004
ACM
16 years 7 months ago
2004
ACM
d abstract) Michael Benedikt Bell Labs Jan Van den Bussche Limburgs Universitair Centrum Christof L?oding Lehrstuhl Informatik VII RWTH Aachen Thomas Wilke Institut f?ur Informatik...
226
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PODS
2006
ACM
16 years 7 months ago
2006
ACM
In this paper, we give a simple scheme for identifying approximate frequent items over a sliding window of size n. Our scheme is deterministic and does not make any assumption on ...