253 search results - page 27 / 51 » Spatial Data Integrity Constraints in Object Oriented Geogra... |
IAJIT
2008
13 years 6 months ago
2008
: In this paper a run-time model is proposed. The run-time model enforces integrity constraints for attributes that are derived from composition and inheritance hierarchies. The ru...
DASFAA
2004
IEEE
13 years 10 months ago
2004
IEEE
XML is becoming the standard data exchange format. View transformation of XML data is important and frequent operation in XML data integration and publishing. In schema-based view ...
IASTEDSEA
2004
13 years 8 months ago
2004
Software engineering is hampered by the fact that software systems quickly become so complex that they are hard to understand, evolve and maintain. Closer integration of code and ...
VLDB
1994
ACM
13 years 10 months ago
1994
ACM
Global clustering has rarely been investigated in the area of spatial database systems although dramatic performance improvements can be achieved by using suitable techniques. In ...
IJCAI
1989
13 years 8 months ago
1989
We are developing a new paradigm for a world model construction system which interprets a scene and builds a world model for a mobile robot using dynamic semantic constraints. The...