Document Explorer: Discovering Knowledge in Document Collections. - Ronen Feldman; Willi Klösgen; Amir Zilberstein (ISMIS, 1997)

Maximal Association Rules: A New Tool for Mining for Keyword Co-Occurrences in Document Collections. - Ronen Feldman; Yonatan Aumann; Amihood Amir; Amir Zilberstein; Willi Klösgen (KDD, 1997)

Visualization Techniques to Explore Data Mining Results for Document Collections. - Ronen Feldman; Willi Klösgen; Amir Zilberstein (KDD, 1997)

Trend Graphs: Visualizing the Evolution of Concept Relationships in Large Document Collections. - Ronen Feldman; Yonatan Aumann; Amir Zilberstein; Yaron Ben-Yehuda (PKDD, 1998)