Ugur Demiryurek Cyrus Shahabi Indexing Network Voronoi Diagrams. 526-543 2012 DASFAA (1) https://doi.org/10.1007/978-3-642-29038-1_38 conf/dasfaa/2012-1 db/conf/dasfaa/dasfaa2012-1.html#DemiryurekS12