2674 search results - page 54 / 535 » Data Models and Query Languages for Spatial Databases |
FMLDO
1990
Springer
13 years 11 months ago
1990
Springer
Object-oriented database systems (ooDBMSs) are supposed to offer at least the functionality available in commercial relational DBMSs of today. One important consequence of this is...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
In this paper we propose an approach that enables mobile clients to determine the validity of previous queries based on their current locations. In order to make this possible, th...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
We introduce Pulse, a framework for processing continuous queries over models of continuous-time data, which can compactly and accurately represent many real-world activities and p...
GISCIENCE
2008
Springer
13 years 8 months ago
2008
Springer
Geospatial data sharing is an increasingly important subject as large amount of data is produced by variety of sources, stored in incompatible formats, and accessible through diffe...
ADBIS
2004
Springer
14 years 1 months ago
2004
Springer
: The purpose of the current work is to explore and improve the analysis of event data stored in event repositories, enabling the application of specialized event algebra operators...