253 search results - page 3 / 51 » Spatial Data Integrity Constraints in Object Oriented Geogra... |
ER
2009
Springer
13 years 9 months ago
2009
Springer
Ontologies have been extensively used to model domain-specific knowledge. Recent research has applied ontologies to enhance the discovery and retrieval of geographic data in Spatia...
ICCSA
2009
Springer
14 years 1 months ago
2009
Springer
Data aggregation in Geographic Information Systems (GIS) is a desirable feature, spatial data are integrated in OLAP engines for this purpose. However, the development and operatio...
ER
1995
Springer
13 years 10 months ago
1995
Springer
We describe a (meta) formalism for defining a variety of (object oriented) data models in a unified framework based on a variation of first-order logic. As specific example we use...
DEXA
1994
Springer
13 years 10 months ago
1994
Springer
A real-time database is a database in which both the data and the operations upon the data may have timing constraints. We have integrated real-time, object-oriented, semantic and ...
ICDE
2007
IEEE
14 years 19 days ago
2007
IEEE
Moving objects databases (MOD) have been receiving increasing attention from the database community in recent years, mainly due to the wide variety of applications that technology...