Terry HalpinTerry Halpin , (BSc, DipEd, BA, MLitStud, PhD) is a distinguished professor at Neumont University. His industry experience includes several years in data modeling technology at Asymetrix Corporation, InfoModelers Inc., Visio Corporation, and Microsof Corporation. His doctoral thesis formalized object-role modeling (ORM/NIAM), and his current research focuses on conceptual modeling and conceptual query technology. He has authored over 150 technical publications and six books, including Information Modeling and Relational Databases and has co-edited four books on information systems modeling research. He is a member of IFIP WG 8.1 (Information Systems), an editor or reviewer for several academic journals, a regular columnist for the Business Rules Journal , and a recipient of the DAMA International Achievement Award for Education (2002) and the IFIP Outstanding Service Award (2006). Read More Read Less