Gerard Oleksik Max L. Wilson Craig S. Tashman Eduarda Mendes Rodrigues Gabriella Kazai Gavin Smyth Natasa Milic-Frayling Rachel Jones Lightweight tagging expands information and activity management practices. 279-288 2009 CHI http://doi.acm.org/10.1145/1518701.1518746 conf/chi/2009 db/conf/chi/chi2009.html#OleksikWTRKSMJ09