Pablo Barceló, Carlos A. Hurtado, Leonid Libkin, Peter T. Wood. Expressive languages for path queries over graph-structured data. In Jan Paredaens, Dirk Van Gucht, editors, Proceedings of the Twenty-Ninth ACM SIGMOD-SIGACT-SIGART Symposium on Principles of Database Systems, PODS 2010, June 6-11, 2010, Indianapolis, Indiana, USA. pages 3-14, ACM, 2010. [doi]
Abstract is missing.