Wilfried Lemahieu Monique Snoeck Cindy Michiels Frank G. Goethals An Event Based Approach to Web Service Design and Interaction. 333-340 2003 conf/apweb/2003 APWeb http://link.springer.de/link/service/series/0558/bibs/2642/26420333.htm db/conf/apweb/apweb2003.html#LemahieuSMG03