Trend Graphs: Visualizing the Evolution of Concept Relationships in Large Document Collections.

Ronen Feldman Yonatan Aumann Amir Zilberstein Yaron Ben-Yehuda Trend Graphs: Visualizing the Evolution of Concept Relationships in Large Document Collections. 38-46 1998 conf/pkdd/1998 PKDD db/conf/pkdd/pkdd98.html#FeldmanAZB98