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» Order in Space: A General Formalism for Spatial Reasoning
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COSIT
1999
Springer
189views GIS» more  COSIT 1999»
14 years 22 days ago
A Formal Model of the Process of Wayfinding in Built Environments
Previous recent research on human wayfinding has focused primarily on mental representations rather than processes of wayfinding. This paper presents a formal model of some aspect...
Martin Raubal, Michael F. Worboys
TPHOL
1997
IEEE
14 years 20 days ago
Higher Order Quotients and their Implementation in Isabelle HOL
This paper describes the concept of higher order quotients and an implementation in Isabelle. Higher order quotients are a generalization of quotients. They use partial equivalence...
Oscar Slotosch
CADE
2010
Springer
13 years 9 months ago
Monotonicity Inference for Higher-Order Formulas
Abstract. Formulas are often monotonic in the sense that if the formula is satisfiable for given domains of discourse, it is also satisfiable for all larger domains. Monotonicity i...
Jasmin Christian Blanchette, Alexander Krauss
COSIT
2001
Springer
186views GIS» more  COSIT 2001»
14 years 29 days ago
Computational Structure in Three-Valued Nearness Relations
The development of cognitively plausible models of human spatial reasoning may ultimately result in computational systems that are better equipped to meet human needs. This paper e...
Matt Duckham, Michael F. Worboys
ECSCW
1993
13 years 9 months ago
A Spatial Model of Interaction in Large Virtual Environments
: We present a spatial model of group interaction in virtual environments. The model aims to provide flexible and natural support for managing conversations among large groups gath...
Steve Benford, Lennart E. Fahlén