Thorsten Prante Carsten Magerkurth Norbert A. Streitz Developing CSCW tools for idea finding -: empirical results and implications for design. 106-115 2002 conf/cscw/2002 CSCW http://doi.acm.org/10.1145/587078.587094 db/conf/cscw/cscw2002.html#PranteMS02