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Multi-level Topological Relations Between Spatial Regions Based Upon Topological Invariants.
Min Deng
Tao Cheng
Xiaoyong Chen
Zhilin Li
Published in:
GeoInformatica (2007)
Keyphrases
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spatial regions
topological relations
spatial reasoning
spatial data
spatial relations
spatial objects
qualitative models
spatial databases
spatial information
human computer interaction
motion patterns
data structure
np complete
dynamic systems