Diego Calvanese, Giuseppe De Giacomo, Maurizio Lenzerini, Moshe Y. Vardi. Rewriting of Regular Expressions and Regular Path Queries. In Proceedings of the Eighteenth ACM SIGACT-SIGMOD-SIGART Symposium on Principles of Database Systems, May 31 - June 2, 1999, Philadelphia, Pennsylvania. pages 194-204, ACM Press, 1999. [doi]
Abstract is missing.