Stephen Farrell Tessa A. Lau Stefan Nusser Eric Wilcox Michael J. Muller Socially augmenting employee profiles with people-tagging. 91-100 2007 conf/uist/2007 UIST http://doi.acm.org/10.1145/1294211.1294228 db/conf/uist/uist2007.html#FarrellLNWM07