M. S. Ackerman, “Privacy in pervasive environments: next generation labeling protocols”, Personal and Ubiquitous Computing, vol. 8, pp. 430–439, 2004.

B. Congleton, Ackerman, M. S., and Newman, M. W., “The ProD Framework for Proactive Displays”, in Proceedings of the 21st Annual ACM Symposium on User Interface Software and Technology (UIST'08), 2008, pp. 221-230.