The following publications are possibly variants of this publication:
- GRAIL: Scalable Reachability Index for Large GraphsHilmi Yildirim, Vineet Chaoji, Mohammed Javeed Zaki. pvldb, 3(1):276-284, 2010. [doi]
- Scalable reachability indexing for very large graphsHilmi Yildirim. PhD thesis, Rensselaer Polytechnic Institute, USA, 2011. [doi]
- Reachability Queries in Very Large Graphs: A Fast Refined Online Search ApproachRenê Rodrigues Veloso, Loïc Cerf, Wagner Meira Junior, Mohammed J. Zaki. edbt 2014: 511-522 [doi]