Publikation: Generating Node Coordinates for Shortest-Path Computations in Transportation Networks
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2002
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Speed-up techniques that exploit given node coordinates have proven useful for shortest-path computations in transportation networks and geographic information systems. To facilitate the use of such techniques when coordinates are missing from some, or even all, of the nodes in a network we generate artificial coordinates using methods from graph drawing. Experiments on a large set of German train timetables indicate that the speed-up achieved with coordinates from our drawings is close to that achieved with the true coordinates - and in some special cases even better.
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BRANDES, Ulrik, Frank SCHULZ, Dorothea WAGNER, Thomas WILLHALM, 2002. Generating Node Coordinates for Shortest-Path Computations in Transportation NetworksBibTex
@unpublished{Brandes2002Gener-5977,
year={2002},
title={Generating Node Coordinates for Shortest-Path Computations in Transportation Networks},
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<dcterms:abstract xml:lang="eng">Speed-up techniques that exploit given node coordinates have proven useful for shortest-path computations in transportation networks and geographic information systems. To facilitate the use of such techniques when coordinates are missing from some, or even all, of the nodes in a network we generate artificial coordinates using methods from graph drawing. Experiments on a large set of German train timetables indicate that the speed-up achieved with coordinates from our drawings is close to that achieved with the true coordinates - and in some special cases even better.</dcterms:abstract>
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