2514 search results - page 84 / 503 » On the Computation of Approximations of Database Queries |
194
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
With the proliferation of geo-positioning and geo-tagging, spatial web objects that possess both a geographical location and a textual description are gaining in prevalence, and s...
164
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AI
2008
Springer
15 years 6 months ago
2008
Springer
Local computation in join trees or acyclic hypertrees has been shown to be linked to a particular algebraic structure, called valuation algebra. There are many models of this alge...
175
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DKE
2007
15 years 6 months ago
2007
Histogram techniques have been used in many commercial database management systems to estimate a query result size. Recently, it has been shown that they are very effective to su...
149
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ICALP
2007
Springer
16 years 16 days ago
2007
Springer
We consider several private database query problems. The starting point of this work is the element rank problem: the server holds a database of n integers, and the user an integer...
177
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HUC
2009
Springer
15 years 11 months ago
2009
Springer
To usefully query a location-based service, a mobile device must typically present its own location in its query to the server. This may not be acceptable to clients that wish to ...