Mischa Weiss-Lijn Janet T. McDonnell Leslie James An Empirical Evaluation of the Interactive Visualization of Metadata to Support Document Use. 50-64 2002 conf/jcdl/2002vidl Visual Interfaces to Digital Libraries http://link.springer.de/link/service/series/0558/bibs/2539/25390050.htm db/conf/jcdl/vidl2002.html#Weiss-LijnMJ02