Signpost from the masses: learning effects in an exploratory social tag search browser.

Yvonne Kammerer Rowan Nairn Peter Pirolli Ed Huai-hsin Chi Signpost from the masses: learning effects in an exploratory social tag search browser. 625-634 2009 CHI http://doi.acm.org/10.1145/1518701.1518797 conf/chi/2009 db/conf/chi/chi2009.html#KammererNPC09