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GIS
1992
ACM
15 years 1 months ago
A Conceptual Model of Wayfinding Using Multiple Levels of Abstraction
Sabine Timpf, Gary S. Volta, David W. Pollock, Max...
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GIS
1998
ACM
15 years 1 months ago
Abstract and Discrete Modeling of Spatio-Temporal Data Types
Martin Erwig, Ralf Hartmut Güting, Markus Sch...