Danyel Fisher A. J. Bernheim Brush Bernie Hogan Marc A. Smith Andy Jacobs Using Social Metadata in Email Triage: Lessons from the Field. 13-22 2007 conf/hci/2007-9 HCI (9) http://dx.doi.org/10.1007/978-3-540-73354-6_2 db/conf/hci/hci2007-9.html#FisherBHSJ07