Dowming Yeh Yuwen Li Extracting Entity Relationship Diagram from a Table-Based Legacy Database. 72-79 2005 conf/csmr/2005 CSMR http://csdl.computer.org/comp/proceedings/csmr/2005/2304/00/23040072abs.htm db/conf/csmr/csmr2005.html#YehL05