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A Specification of a Spatial Query Language over GML.
José Eduardo Córcoles
Pascual González
Published in:
ACM-GIS (2001)
Keyphrases
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query language
spatial data
data model
spatial information
spatial databases
topological relations
spatio temporal
spatio temporal databases
expressive power
spatial relationships
spatial clustering
data types
user defined
spatial and temporal
conceptual model
relational algebra
geographic information systems
data analysis
r tree
complex objects
high level
markup language
query evaluation
language constructs
spatial reasoning
object oriented
information retrieval
data mining
formal specification
spatial distribution
path expressions
formal verification
database