title: dbminer : interactive mining of multiple-level knowledge in relational databases. authors: j han , y fu , w wang , j chiang , o zaяane , k koperski. venue: sigmod conference. year: 1996
title: querying multiple features of groups in relational databases. authors: d chatziantoniou , ka ross. venue: proceedings of the international conference on very large & hellip ; ,. year: 1996.0