Edie M. Rasmussen Ray R. Larson Elaine Toms Shigeo Sugimoto ACM/IEEE Joint Conference on Digital Libraries, JCDL 2007, Vancouver, BC, Canada, June 18-23, 2007, Proceedings JCDL ACM 2007 978-1-59593-644-8 db/conf/jcdl/jcdl2007.html