Craig M. MacDonald, Michael E. Atwood. What does it mean for a system to be useful?: an exploratory study of usefulness. In Ron Wakkary, Steve Harrison, Carman Neustaedter, Shaowen Bardzell, Eric Paulos, editors, Designing Interactive Systems Conference 2014, DIS '14, Vancouver, BC, Canada, June 21-25, 2014. pages 885-894, ACM, 2014. [doi]
Abstract is missing.