As the lnternet/Intranet/WWW technologies become more and more mature and web-based appli-cations become richer and richer, the application developers are provided with an ideal computing environrnent toconstruct WfMSs (workflow management systems). Web-based WfMSs can help business goals to be achievedeffectively by means of integrating various distributed resources in an easy to access environment. A web-basedgeneral purpose workflow management system named Wowww! is described in this paper, detailing its...