Distance Oracles beyond the Thorup-Zwick Bound

We give the first improvement to the space/approximation trade-off of distance oracles since the seminal result of Thorup and Zwick [STOC'01]. For unweighted graphs, our distance oracle has size O(n5/3

• Type: Journal
• Year: 2010
• Where: FOCS
• Authors: Mihai Patrascu, Liam Roditty
• Keywords: Distance Oracle, FOCS 2010, Theoretical Computer Science, Trade-off, Unweighted Graphs