3456 search results - page 30 / 692 » Semantics in Spatial Databases |
SIGMOD
1999
ACM
14 years 7 days ago
1999
ACM
Several techniques that compute the join between two spatial datasets have been proposed during the last decade. Among these methods, some consider existing indices for the joined...
GIS
2005
ACM
14 years 9 months ago
2005
ACM
A necessary step in the implementation of three-dimensional spatial data types for spatial database systems and GIS is the development of robust geometric primitives. The authors ...
ER
1998
Springer
14 years 5 days ago
1998
Springer
Abstract: Currently, there are strong efforts to integrate spatial and temporal database technology into spatio-temporal database systems. This paper views the topic from a rather ...
DEDUCTIVE
1994
13 years 9 months ago
1994
Recent advances in non-monotonic semantics of deductive databases provide a simple framework for modeling the even-condition-action rules of active databases. This approach unifie...
VL
1994
IEEE
14 years 1 days ago
1994
IEEE
Though visual access to spatial database systems has attracted much attention in recent years, there have only few deductive visual languages for spatial information systems been ...