Keiko Shimazu Atsuhito Momma Koichi Furukawa DAISY, an RER Model Based Interface for RDB to ILP. 390-404 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2813&spage=390 2003 conf/er/2003 ER db/conf/er/er2003.html#ShimazuMF03