651 search results - page 37 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
VLDB
1989
ACM
14 years 1 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
13 years 9 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...
JGTOOLS
2006
13 years 9 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...
CIKM
2005
Springer
13 years 11 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
14 years 9 months 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...