Lori A. Clarke Alan Gaitenby Ethan Katsh Matthew Marzilli Leon J. Osterweil Daniel Rainey Borislava I. Simidchieva Norman K. Sondheimer Leah Wing Alexander E. Wise Using process definitions to drive user interactions with digital government systems. 310-311 2007 conf/dgo/2007 DG.O http://doi.acm.org/10.1145/1248460.1248534 db/conf/dgo/dgo2007.html#ClarkeGKMORSSWW07