Sciweavers

906 search results - page 46 / 182
» Map graphs
Sort
View
CORR
2008
Springer
104views Education» more  CORR 2008»
13 years 7 months ago
De Bruijn Graph Homomorphisms and Recursive De Bruijn Sequences
This paper presents a method to find new De Bruijn cycles based on ones of lesser order. This is done by mapping a De Bruijn cycle to several vertex disjoint cycles in a De Bruijn ...
Abbas Alhakim, Mufutau Akinwande
FCT
2009
Springer
14 years 2 months ago
Martingales on Trees and the Empire Chromatic Number of Random Trees
We study the empire colouring problem (as defined by Percy Heawood in 1890) for maps whose dual planar graph is a tree, with empires formed by exactly r countries. We prove that, ...
Colin Cooper, Andrew R. A. McGrae, Michele Zito
CADE
2003
Springer
14 years 8 months ago
Proving Pointer Programs in Higher-Order Logic
This paper develops sound modelling and reasoning methods for imperative programs with pointers: heaps are modelled as mappings from addresses to values, and pointer structures are...
Farhad Mehta, Tobias Nipkow
GIS
2009
ACM
14 years 8 months ago
From GPS Traces to a Routable Road Map
This paper presents a method for automatically converting raw GPS traces from everyday vehicles into a routable road network. The method begins by smoothing raw GPS traces using a...
Lili Cao, John Krumm
FGCS
2011
123views more  FGCS 2011»
13 years 2 months ago
Mapping attribution metadata to the Open Provenance Model
A description of a data item’s provenance can be provided in different forms, and which form is best depends on the intended use of that description. Because of this, differen...
Simon Miles