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CP
2009
Springer
15 years 10 months ago
Modelling Equidistant Frequency Permutation Arrays: An Application of Constraints to Mathematics
Equidistant Frequency Permutation Arrays are combinatorial objects of interest in coding theory. A frequency permutation array is a type of constant composition code in which each ...
Sophie Huczynska, Paul McKay, Ian Miguel, Peter Ni...
FUZZIEEE
2007
IEEE
15 years 4 months ago
Metrics for Vague Spatial Objects Based on the Concept of Mass
Abstract— Many spatial phenomena exhibit vagueness. Representation of such phenomena requires vague objects. In previous work, we provided definitions for vague objects: vague p...
Arta Dilo, Rolf A. de By, Alfred Stein
ECTEL
2006
Springer
15 years 1 months ago
A Formal Model of Learning Object Metadata
In this paper, we introduce a new, formal model of learning object metadata. The model enables more formal, rigorous reasoning over metadata. An important feature of the model is t...
Kris Cardinaels, Erik Duval, Henk J. Olivié
APAL
2005
90views more  APAL 2005»
14 years 9 months ago
Explicit mathematics: power types and overloading
Systems of explicit mathematics provide an axiomatic framework to represent programs and to prove properties of them. We introduce such a system with a new form of power types usi...
Thomas Studer
CGF
2006
100views more  CGF 2006»
14 years 9 months ago
Ray Tracing Animated Scenes using Motion Decomposition
Though ray tracing has recently become interactive, its high precomputation time for building spatial indices usually limits its applications to walkthroughs of static scenes. Thi...
Johannes Günther, Heiko Friedrich, Ingo Wald,...