George H. L. Fletcher, Marc Gyssens, Dirk Leinders, Jan Van den Bussche, Dirk Van Gucht, Stijn Vansummeren, Yuqing Wu. Relative expressive power of navigational querying on graphs. In Tova Milo, editor, Database Theory - ICDT 2011, 14th International Conference, Uppsala, Sweden, March 21-24, 2011, Proceedings. pages 197-207, ACM, 2011. [doi]
Abstract is missing.