Sciweavers

209 search results - page 18 / 42
» Design and Implementation of the CALO Query Manager
Sort
View
SIGMOD
2007
ACM
176views Database» more  SIGMOD 2007»
14 years 7 months ago
URank: formulation and efficient evaluation of top-k queries in uncertain databases
Top-k processing in uncertain databases is semantically and computationally different from traditional top-k processing. The interplay between query scores and data uncertainty ma...
Mohamed A. Soliman, Ihab F. Ilyas, Kevin Chen-Chua...
DASFAA
2004
IEEE
158views Database» more  DASFAA 2004»
13 years 11 months ago
A Cost Model for Spatial Intersection Queries on RI-Trees
Abstract. The efficient management of interval sequences represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tr...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...
SSDBM
2002
IEEE
149views Database» more  SSDBM 2002»
14 years 16 days ago
A Cost Model for Interval Intersection Queries on RI-Trees
The efficient management of interval data represents a core requirement for many temporal and spatial database applications. With the Relational Interval Tree (RI-tree1 ), an effi...
Hans-Peter Kriegel, Martin Pfeifle, Marco Pöt...
ICDCS
2010
IEEE
13 years 11 months ago
Quantifying and Querying Network Reachability
—Quantifying and querying network reachability is important for security monitoring and auditing as well as many aspects of network management such as troubleshooting, maintenanc...
Amir R. Khakpour, Alex X. Liu
ACMSE
2007
ACM
13 years 11 months ago
Hierarchical land cover information retrieval in object-oriented remote sensing image databases with native queries
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...
Jiang Li