Proc. of the 7th Italian Symp. on Advanced Database Systems (SEBD 1999). 1999.
@inproceedings{SEBD-1999, title = "Rewriting of Regular Path Queries", year = "1999", author = "Diego Calvanese and De Giacomo, Giuseppe and Maurizio Lenzerini and Moshe Y. Vardi", booktitle = "Proc. of the 7th Italian Symp. on Advanced Database Systems (SEBD 1999)", pages = "213--224", }