Sibel Adali Shawn Pearce Maria Luisa Sapino On Querying and Exploring Activities on a User's Desktop. 103 2006 conf/icde/2006w ICDE Workshops http://doi.ieeecomputersociety.org/10.1109/ICDEW.2006.103 db/conf/icde/icdew2006.html#AdaliPS06