A bi-level object-oriented data model for GIS applications.

Amelia Choi W. S. Luk

Published in: COMPSAC (1990)

Keyphrases

bi level
object oriented data models
object oriented
object oriented databases
data model
databases
object oriented database systems
gray scale
formal specification
uniform access
reasoning systems
query language
pricing model
uml diagrams
image compression
relational databases
multiscale
database