EDBT
2004
ACM
13 years 10 months ago
2004
ACM
Qualitative spatial reasoning forms an important part of the commonsense reasoning required for building intelligent Geographical Information Systems (GIS). Previous research has c...
KI
2009
Springer
13 years 11 months ago
2009
Springer
Cardinal direction relations are binary spatial relations determined under an extrinsically-defined direction system (e.g., north of). We already have point-based and region-based ...