Katy Börner Chaomei Chen Visual Interfaces to Digital Libraries: Motivation, Utilization, and Socio-technical Challenges. 1-12 2002 conf/jcdl/2002vidl Visual Interfaces to Digital Libraries http://link.springer.de/link/service/series/0558/bibs/2539/25390001.htm db/conf/jcdl/vidl2002.html#BornerC02a