Revisiting redundancy and minimization in an XPath fragment.

Benny Kimelfeld Yehoshua Sagiv Revisiting redundancy and minimization in an XPath fragment. 61-72 2008 EDBT http://doi.acm.org/10.1145/1353343.1353355 conf/edbt/2008 db/conf/edbt/edbt2008.html#KimelfeldS08