4V G A,H K,F W R.Better landmarks within reach[].Proceedings ofth Workshop on Experimental Algorithms.2007
5Gutman R.Reach-based routing: a new approach to shortest path algorithms optimized for road networks[].Proc th international workshop on algorithm engineering and experiments.2004
6Shashank Tiwari.Professional NoSQL[]..2012
7Goldberg AV,Werneck RF.Computing point-to-pointshortest paths from external memory[]..2005
8Sanders P,Schultes D.Highway hierarchies hasten exactshortest path queries[].Algorithms-Esa.2005
9Geisberger R,Sanders P,Schultes D,Delling D.Con-traction hierarchies:Faster and simpler hierarchical rou-ting in road networks[].Experimental Algorithms.2008
