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Candidate Sets for Alternative Routes in Road Networks

Candidate Sets for Alternative Routes in Road Networks
Conference:

11th International Symposium on Experimental Algorithms (SEA'12)

Year:

2012

Location:

Bordeaux, France

Links:PDF
Date:

June 2012

Author(s):

Dennis Luxen, Dennis Schieferdecker

We present a fast algorithm with preprocessing for computing multiple good alternative routes in road networks. Our approach is based on single via node routing on top of Contraction Hierarchies and achieves superior quality and efficiency compared to previous methods. The algorithm has neglectable memory overhead.