Jan W. Buzydlowski Howard D. White Xia Lin Term Co-occurrence Analysis as an Interface for Digital Libraries. 133-144 2002 conf/jcdl/2002vidl Visual Interfaces to Digital Libraries http://link.springer.de/link/service/series/0558/bibs/2539/25390133.htm db/conf/jcdl/vidl2002.html#BuzydlowskiWL02