Sinem Güven Mark Podlaseck Gopal Pingali PICASSO: Pervasive Information Chronicling, Access, Search, and Sharing for Organizations. 341-350 2005 conf/percom/2005 PerCom http://doi.ieeecomputersociety.org/10.1109/PERCOM.2005.31 db/conf/percom/percom2005.html#GuvenPP05