Ratvinder Singh Grewal Barbara Targonski Quoc Hao Mach Minimizing the Impact of Change on User Productivity. 5-11 2008 WISE Workshops http://dx.doi.org/10.1007/978-3-540-85200-1_3 conf/wise/2008-w db/conf/wise/wise2008w.html#GrewalTM08