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| 2008 | ||
|---|---|---|
| 3 | EE | Stephan Mäs: Reasoning on Spatial Relations between Entity Classes. GIScience 2008: 234-248 | 
| 2007 | ||
| 2 | EE | Stephan Mäs: Reasoning on Spatial Semantic Integrity Constraints. COSIT 2007: 285-302 | 
| 1 | EE | Stephan Mäs: Checking the Integrity of Spatial Integrity Constraints. Constraint Databases, Geometric Elimination and Geographic Information Systems 2007 |