4. COSIT 1999:
Abstraction and Spatial Hierarchies
Andrew U. Frank
: One Step up the Abstraction Ladder: Combining Algebras - From Functional Pieces to a Whole.
: Abstraction, Levels of Detail, and Hierarchies in Map Series.
: Topological Relations in Hierarchical Partitions.
Spatial Reasoning Calculi
: A Predication Calculus for Qualitative Spatial Representations.
: The Role of Identity Conditions in Ontology Design.
Visual Representation and Reasoning
John S. Gero
: Representation and Reasoning about Shapes: Cognitive and Computational Studies in Visual Reasoning in Design.
: An Algebraic Interpretation of Semantic Networks.
Granularity and Qualitative Abstraction