Materialization Trade-Offs in Hierarchical Shortest Path Algorithms.

http://dx.doi.org/10.1007/3-540-63238-7_26 Shashi Shekhar Andrew Fetterer Bjajesh Goyal Materialization Trade-Offs in Hierarchical Shortest Path Algorithms. 94-111 SSD/1997/P094.pdf 1997 conf/ssd/97 SSD db/conf/ssd/ssd97.html#ShekharFG97