Sciweavers

2724 search results - page 539 / 545
» Optimizing Queries on Files
Sort
View
SAC
2000
ACM
14 years 3 months ago
The Mobile Agent Technology to Support and to Access Museum Information
The global scenario put together by communication networks determines new opportunities towards the realization of Internetbased distributed services in many complex and composite...
Paolo Bellavista, Antonio Corradi, Andrea Tomasi
PODS
1999
ACM
121views Database» more  PODS 1999»
14 years 3 months ago
Tracking Join and Self-Join Sizes in Limited Storage
Query optimizers rely on fast, high-quality estimates of result sizes in order to select between various join plans. Selfjoin sizes of relations provide bounds on the join size of...
Noga Alon, Phillip B. Gibbons, Yossi Matias, Mario...
SSD
1999
Springer
106views Database» more  SSD 1999»
14 years 3 months ago
XZ-Ordering: A Space-Filling Curve for Objects with Spatial Extension
There is an increasing need to integrate spatial index structures into commercial database management systems. In geographic information systems (GIS), huge amounts of information ...
Christian Böhm, Gerald Klump, Hans-Peter Krie...
PLDI
2010
ACM
14 years 2 months ago
Detecting Inefficiently-Used Containers to Avoid Bloat
Runtime bloat degrades significantly the performance and scalability of software systems. An important source of bloat is the inefficient use of containers. It is expensive to cre...
Guoqing Xu, Atanas Rountev
FODO
1993
Springer
110views Algorithms» more  FODO 1993»
14 years 2 months ago
Storage System Architectures for Continuous Media Data
Abstract. Data storage systems are being called on to manage continuous media data types, such as digital audio and video. There is a demand by applications for \constrained-latenc...
David Maier, Jonathan Walpole, Richard Staehli