651 search results - page 39 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
ICDE
2008
IEEE
14 years 3 months ago
2008
IEEE
— Skyline queries are capable of retrieving interesting points from a large data set according to multiple criteria. Most work on skyline queries so far has assumed a centralized...
EDBTW
2006
Springer
14 years 21 days ago
2006
Springer
Several query languages have been proposed for managing data streams in modern monitoring applications. Continuous queries expressed in these languages usually employ windowing con...
EDBT
2000
ACM
14 years 1 months ago
2000
ACM
The paper presents Spatial Distributions Server – an analytical tool aimed at efficient creation, storing and analyzing of spatial distributions. Methods of approximation of spat...
COMGEO
2008
ACM
13 years 9 months ago
2008
ACM
Given a planar polygonal subdivision S, the point location problem is to preprocess S into a data structure so that the cell of the subdivision that contains a given query point c...
PODC
2011
ACM
12 years 12 months ago
2011
ACM
We present the Mindicator, a set implementation customized for shared memory runtime systems. The Mindicator is optimized for constant-time querying of its minimum element, while ...