ChanHo Moon SooHee Kim Hyunchul Kang Processing XML Path Expressions Using XML Materialised Views. 19-37 2003 conf/bncod/2003 BNCOD http://link.springer.de/link/service/series/0558/bibs/2712/27120019.htm db/conf/bncod/bncod2003.html#MoonKK03