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: joining interval data in relational databases. authors: j enderle , m hampel , t seidl. venue: proceedings of the 2004 acm sigmod international conference & hellip ; ,. year: 2004.0