651 search results - page 104 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
We present STAR, a self-tuning algorithm that adaptively sets numeric precision constraints to accurately and efficiently answer continuous aggregate queries over distributed data...
ICDCS
2009
IEEE
14 years 6 months ago
2009
IEEE
In this paper, we study the problem of indexing multidimensional data in the P2P networks based on distributed hash tables (DHTs). We identify several design issues and propose a ...
IPPS
2005
IEEE
14 years 2 months ago
2005
IEEE
The computational power needed for searching exponentially growing databases, such as GenBank, has increased dramatically. Three different implementations of the most widely used ...
IJET
2006
13 years 9 months ago
2006
: The challenge of the semantic web is the provision of distributed information with well defined meaning, understandable for different parties. Particularly, applications should b...
COMPGEOM
2000
ACM
14 years 1 months ago
2000
ACM
We describe a kinetic data structure (KDS) that maintains the connected components of the union of a set of unit-radius disks moving in the plane. We assume that the motion of eac...