239 search results - page 44 / 48 » Complete Geometrical Query Languages |
SIGMOD
2000
ACM
13 years 11 months ago
2000
ACM
We consider spatio-temporal databases supporting spatial objects with continuously changing position and extent, termed moving objects databases. We formally define a data model f...
ER
1999
Springer
13 years 11 months ago
1999
Springer
Database support of time-varying phenomena typically assumes that entities change in a linear fashion. Many phenomena, however, change cyclically over time. Examples include monsoo...
ISD
1999
Springer
13 years 11 months ago
1999
Springer
The successful development of any geographic information system project needs the careful design and implementation of spatial databases via conceptual and logical data-modeling. T...
KR
1994
Springer
13 years 11 months ago
1994
Springer
A key problem in case-based reasoning is the representation, organization and maintenance of case libraries. While current approaches rely on heuristic and psychologically inspire...
DASFAA
2004
IEEE
13 years 11 months ago
2004
IEEE
In this paper, a State-Based Dynamic Transportation Network (SBDTN) model is presented, which can be used to describe the spatiotemporal aspect of temporally variable transportatio...