About the Authors

Dr. Terry Halpin, BSc, DipEd, BA, MLitStud, PhD, is a Distinguished Professor in Computer Science at Neumont University. His industry experience includes several years in data modeling technology at Asymetrix Corporation, InfoModelers Inc., Visio Corporation, and Microsoft 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 five books, and has co-edited three books on information systems modeling research. He is an editor or reviewer for several academic journals, is a regular columnist for the Business Rules Journal, and has presented at many international conferences. Dr. Halpin is the recipient of the DAMA International Achievement Award for Education (2002) and the IFIP Outstanding Service Award (2006).

Dr. Tony Morgan is a Distinguished Professor in Computer Science at Neumont University, where he is involved in teaching at undergraduate and postgraduate levels and in research into future information systems. He has extensive experience of the practical issues involved in creating and delivering software systems, gained in companies such as EDS and Unisys. His main technical interest is in the use of model driven development to build information systems that deliver real business value.