Hiroyuki Uchiyama Makoto Onizuka Takashi Honishi Distributed XML Stream Filtering System with High Scalability. 968-977 2005 conf/icde/2005 ICDE http://csdl.computer.org/comp/proceedings/icde/2005/2285/00/22850968abs.htm db/conf/icde/icde2005.html#UchiyamaOH05