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ESA
2005
Springer
111views Algorithms» more  ESA 2005»
15 years 11 months ago
Delineating Boundaries for Imprecise Regions
In geographic information retrieval users use names of geographic regions that do not have a well-defined boundary, like Southern France. We present two approaches to compute rea...
Iris Reinbacher, Marc Benkert, Marc J. van Kreveld...
TPHOL
2002
IEEE
15 years 11 months ago
The 5 Colour Theorem in Isabelle/Isar
Based on an inductive definition of triangulations, a theory of undirected planar graphs is developed in Isabelle/HOL. The proof of the 5 colour theorem is discussed in some detai...
Gertrud Bauer, Tobias Nipkow
CSL
2000
Springer
15 years 10 months ago
Interactive Programs in Dependent Type Theory
We introduce basic concepts from object-oriented programming into dependent type theory based on the idea of modelling objects as interactive programs. We consider methods, interf...
Peter Hancock, Anton Setzer
CADE
1999
Springer
15 years 10 months ago
A dynamic programming approach to categorial deduction
We reduce the provability problem of any formula of the Lambek calculus to some context-free parsing problem. This reduction, which is based on non-commutative proof-net theory, al...
Philippe de Groote
LICS
1999
IEEE
15 years 10 months ago
Extensional Equality in Intensional Type Theory
We present a new approach to introducing an extensional propositional equality in Intensional Type Theory. Our construction is based on the observation that there is a sound, inte...
Thorsten Altenkirch