1430 search results - page 42 / 286 » Query operations for moving objects database systems |
SIGMOD
2010
ACM
14 years 1 months ago
2010
ACM
Current relational databases require that a database schema exist prior to data entry and require manual optimization for best performance. We describe the query optimization tech...
ICDT
2007
ACM
14 years 3 months ago
2007
ACM
Moving objects produce trajectories. We describe a data model for trajectories and trajectory samples and an efficient way of modeling uncertainty via beads for trajectory samples....
IDEAS
1997
IEEE
14 years 1 months ago
1997
IEEE
The ROL system is a novel deductive object-oriented database system that has been implemented at the University of Regina. It provides a uniform rule-based declarative language fo...
LISA
2004
13 years 10 months ago
2004
Periodic data backup is a system administration requirement that has changed as wireless machines have altered the fundamental structure of networks. These changes necessitate a c...
EDBT
2006
ACM
14 years 9 months ago
2006
ACM
The aim of this paper is to demonstrate Hermes, a robust framework capable of aiding a spatio-temporal database developer in modeling, constructing and querying a database with dyn...