We developed a platform independent, three-tier system, called WebFlow. The
visual authoring tools implemented in the front end integrated with the mi
ddle-tier network of servers based on CORBA and following distributed objec
t paradigm, facilitate seamless integration of commodity software component
s. We add high performance to commodity systems using Globus metacomputing
toolkit as the backend. (C)2000 Published by Elsevier Science B.V. All righ
ts reserved.