@article{DBLP:journals/is/Alhajj03,
author = {Reda Alhajj},
title = {Extracting the extended entity-relationship model from a
legacy relational database},
journal = {Inf. Syst.},
volume = {28},
number = {6},
year = {2003},
pages = {597-618},
ee = {http://dx.doi.org/10.1016/S0306-4379(02)00042-X},
bibsource = {DBLP, http://dblp.uni-trier.de}
}