Philip Bohannon Juliana Freire Prasan Roy Jérôme Siméon From XML Schema to Relations: A Cost-Based Approach to XML Storage. 64- 2002 conf/icde/2002 ICDE http://csdl.computer.org/comp/proceedings/icde/2002/1531/00/15310064abs.htm db/conf/icde/icde2002.html#BohannonFRS02