651 search results - page 37 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
VLDB
1989
ACM
15 years 3 months ago
1989
ACM
: We describe the architecture of a relational databasesystem that is extensible by user-defined data types and operations, including relation operations. The central concept is to...
BIRTHDAY
2010
Springer
14 years 12 months ago
2010
Springer
Abstract. Current peer-to-peer (p2p) systems place the burden of application-level query execution on the application developer. Not only do application developers lack the experti...
122
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JGTOOLS
2006
14 years 11 months ago
2006
We present a graphics hardware implementation of the tangent-plane algorithm for computing the kth-order Voronoi diagram of a set of point sites in image space. Correct and effici...
104
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CIKM
2005
Springer
15 years 1 months ago
2005
Springer
We consider the general problem of tracking moving objects in sensor networks. The specific application we consider is that of tracking a chemical plume moving over a large infra...
WWW
2004
ACM
16 years 13 days ago
2004
ACM
A technical infrastructure for storing, querying and managing RDF data is a key element in the current semantic web development. Systems like Jena, Sesame or the ICS-FORTH RDF Sui...