8259 search results - page 817 / 1652 » Self-Tuning Database Systems |
331
click to vote
GIS
2005
ACM
16 years 8 months ago
2005
ACM
The R*-tree, as a state-of-the-art spatial index, has already found its way into commercial systems like Oracle. In this paper, we aim at improving query performance of the R*tree...
334
click to vote
GIS
2006
ACM
16 years 8 months ago
2006
ACM
Location information gathered from a variety of sources in the form of sensor data, video streams, human observations, and so on, is often imprecise and uncertain and needs to be ...
203
click to vote
WWW
2007
ACM
16 years 8 months ago
2007
ACM
As XML database sizes grow, the amount of space used for storing the data and auxiliary data structures becomes a major factor in query and update performance. This paper presents...
219
click to vote
WWW
2004
ACM
16 years 8 months ago
2004
ACM
This paper presents a system for efficient data transformations between XML and relational databases, called XML Data Mediator (XDM). XDM enables the transformation by externalizi...
222
click to vote
KDD
2009
ACM
16 years 8 months ago
2009
ACM
Lately there exist increasing demands for online abnormality monitoring over trajectory streams, which are obtained from moving object tracking devices. This problem is challengin...