2145 search results - page 251 / 429 » Answering Queries Using Views |
209
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SIGMOD
2005
ACM
16 years 4 months ago
2005
ACM
Statistical estimation and approximate query processing have become increasingly prevalent applications for database systems. However, approximation is usually of little use witho...
176
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ESA
2007
Springer
15 years 10 months ago
2007
Springer
We present an experimental evaluation of an approximate distance oracle recently suggested by Thorup [1] for undirected planar graphs. The oracle uses the existence of graph separa...
111
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IJCAI
2007
15 years 5 months ago
2007
Mechanism design is the study of preference aggregation protocols that work well in the face of self-interested agents. We present the first general-purpose techniques for automa...
223
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EDBT
2011
ACM
14 years 7 months ago
2011
ACM
Equi-depth histograms represent a fundamental synopsis widely used in both database and data stream applications, as they provide the cornerstone of many techniques such as query ...
219
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SIGMOD
2009
ACM
16 years 4 months ago
2009
ACM
With large amounts of correlated probabilistic data being generated in a wide range of application domains including sensor networks, information extraction, event detection etc.,...