title: evaluating queries with generalized path expressions sigmod conference. authors: guido moerkotte , sophie cluet , vassilis christophides. venue: nan. year: 1996.0
title: efficient filtering of xml documents with xpath expressions c.-y . chan , p. felber , m. garofalakis , r. rastogi 2002. authors: nan. venue: the vldb journal -- the international journal on very large data bases. year: nan