Julia Schwarz, Jennifer Mankoff, H. Scott Matthews. Reflections of everyday activities in spending data. In Dan R. Olsen Jr., Richard B. Arthur, Ken Hinckley, Meredith Ringel Morris, Scott E. Hudson, Saul Greenberg, editors, Proceedings of the 27th International Conference on Human Factors in Computing Systems, CHI 2009, Boston, MA, USA, April 4-9, 2009. pages 1737-1740, ACM, 2009. [doi]
Abstract is missing.