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Geographic Information Systems archive
Proceedings of the 16th ACM SIGSPATIAL international conference on Advances in geographic information systems table of contents
Irvine, California
SESSION: Trajectories table of contents
Article No. 35  
Year of Publication: 2008
ISBN:978-1-60558-323-5
Authors
B. Aronov  Polytechnic Institute of NYU, Brooklyn, New York
K. Buchin  Utrecht University, Utrecht, The Netherlands
M. Buchin  Utrecht University, Utrecht, The Netherlands
B. Jansen  Utrecht University, Utrecht, The Netherlands
T. de Jong  Utrecht University, Utrecht, The Netherlands
M. van Kreveld  Utrecht University, Utrecht, The Netherlands
M. Löffler  Utrecht University, Utrecht, The Netherlands
J. Luo  Utrecht University, Utrecht, The Netherlands
R. I. Silveira  Utrecht University, Utrecht, The Netherlands
B. Speckmann  TU Eindhoven, Eindhoven, The Netherlands
Sponsors
: Google
: Oak Ridge National Laboratory
: ESRI
Microsoft : Microsoft
Publisher
ACM  New York, NY, USA
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ABSTRACT

Road network data is often incomplete, making it hard to perform network analysis. This paper discusses the problem of extending partial road networks with reasonable links, using the concept of dilation (also known as crow flight conversion coefficient). To this end, we study how to connect a point (relevant location) inside a polygon (face of the known part of the road network) to the boundary so that the dilation from that point to any point on the boundary is not too large. We provide algorithms and heuristics, and give a computational and experimental analysis.


REFERENCES

Note: OCR errors may be found in this Reference List extracted from the full text article. ACM has opted to expose the complete List rather than only correct and linked references.

 
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P. K. Agarwal, S. Har-Peled, and M. Karia. Computing approximate shortest paths on convex polytopes. Algorithmica, 33(2):227--242, 2002.
 
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H.-K. Ahn, M. Farshi, C. Knauer, M. H. M. Smid, and Y. Wang. Dilation-optimal edge deletion in polygonal cycles. In Proc. 18th International Symposium on Algorithms and Computation, LNCS 4835, pages 88--99, 2007.
 
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T. de Jong and T. Tillema. Transport network extensions for accessibility analysis in geographic information systems. In Proceedings Africa GIS 2005, 2005.
 
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M. Farshi and J. Gudmundsson. Experimental study of geometric t-spanners: A running time comparison. In Proc. Workshop on Experimental Algorithms, LNCS 4525, pages 270--284, 2007.
 
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J. R. Ritsema van Eck. Analyse van Transportnetwerken in GIS voor Sociaal-Geografisch Onderzoek. PhD thesis, Utrecht University, 1993.
 
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C. Wulff-Nilsen. Computing the dilation of edge-augmented graphs in metric spaces. In Abstr. 24th Europeon Workshop on Computational Geometry, pages 123--126, 2008.

Collaborative Colleagues:
B. Aronov: colleagues
K. Buchin: colleagues
M. Buchin: colleagues
B. Jansen: colleagues
T. de Jong: colleagues
M. van Kreveld: colleagues
M. Löffler: colleagues
J. Luo: colleagues
R. I. Silveira: colleagues
B. Speckmann: colleagues