2217 search results - page 294 / 444 » Rank-aware Query Optimization |
166
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HPDC
2010
IEEE
15 years 7 months ago
2010
IEEE
Current projects that automate the collection of provenance information use a centralized architecture for managing the resulting metadata - that is, provenance is gathered at rem...
164
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MOBIDE
2010
ACM
15 years 6 months ago
2010
ACM
We propose a distributed algorithm to construct a balanced communication tree that serves in gathering data from the network nodes to a sink. Our algorithm constructs a near-optim...
165
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EOR
2010
15 years 6 months ago
2010
For a finite set of points S, the (monochromatic) Reverse Nearest Neighbor (RNN) rule associates with any query point q the subset of points in S that have q as its nearest neighb...
182
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SIGMOD
2008
ACM
15 years 6 months ago
2008
ACM
The UQBE is a mashup tool for non-programmers that supports query-by-example (QBE) over a schema made up by the user without knowing the schema of the original sources. Based on a...
196
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DLOG
2008
15 years 8 months ago
2008
Answering queries posed over knowledge bases is a central problem in knowledge representation and database theory. In databases, query containment is one of the important query op...