Fuzzy Behavior Mining in Information Retrieval Systems. - Lars Bækgaard; Jacob Høeg Jorgensen; Thomas Lund Nielsen; Dan Rasmussen (FQAS, 1994)

SummarySQL - A Flexible Fuzzy Query Language. - Dan Rasmussen; Ronald R. Yager (FQAS, 1996)

Induction of Fuzzy Characteristic Rules. - Dan Rasmussen; Ronald R. Yager (PKDD, 1997)

Summary SQL - A Fuzzy Tool For Data Mining. - Dan Rasmussen; Ronald R. Yager (Intell. Data Anal., 1997)

Finding fuzzy and gradual functional dependencies with SummarySQL. - Dan Rasmussen; Ronald R. Yager (Fuzzy Sets Syst., 1999)