Changtao Qu Wolfgang Nejdl Towards Open Standards: The Evolution of an XML/JSP/WebDAV Based Collaborative Courseware Generating System. 167-179 2002 conf/icwl/2002 ICWL http://link.springer.de/link/service/series/0558/bibs/2436/24360167.htm db/conf/icwl/icwl2002.html#QuN02