An Architecture for Building User-Driven Web Tasks via Web Services. Jin Lu and Lihui Chen   View Paper (PDF)   Return to Architecture Abstract . Our WTABuilder architecture is designed for end-users to build complex web service-based tasks and to perform the tasks automatically. This paper gives a description of the infrastructure in place and briefly explains each component involved. The preliminary design of major components in the proposed architecture is presented. DiSC'03 © 2003 Association for Computing Machinery