651 search results - page 71 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
Research in modeling and querying spatial data has primarily focused on traditional "crisp" spatial objects with exact location and spatial extent. More recent work, how...
ISCC
2008
IEEE
14 years 3 months ago
2008
IEEE
—This paper presents VoRaQue, a software layer supporting range queries on Voronoi P2P overlays. VoRaQue maps data in a 2-dimensional space. The P2P overlay is defined by links ...
VLDB
2007
ACM
14 years 3 months ago
2007
ACM
Many enterprises nowadays use business processes, based on the BPEL standard, to achieve their goals. These are complex, often distributed, processes. Monitoring the execution of ...
ACMSE
2007
ACM
14 years 1 months ago
2007
ACM
Classification and change detection of land cover types in the remotely sensed images is one of the major applications in remote sensing. This paper presents a hierarchical framew...
WWW
2009
ACM
14 years 9 months ago
2009
ACM
Ad auctions in sponsored search support"broad match"that allows an advertiser to target a large number of queries while bidding only on a limited number. While giving mo...