Modeling Dynamic Rules in ORM. - Herman Balsters; Andy Carver; Terry A. Halpin; Tony Morgan (OTM Workshops (2), 2006)

Reduction Transformations in ORM. - Terry A. Halpin; Andy Carver; Kevin M. Owen (OTM Workshops (1), 2007)

Atomicity and Normalization. - Andy Carver; Terry A. Halpin (EMMSAD, 2008)

How to Avoid Redundant Object-References. - Andy Carver (OTM Workshops, 2008)

Atomicity and Semantic Normalization. - Andy Carver; Terry A. Halpin (Int. J. Inf. Syst. Model. Des., 2010)

Roles in ORM: A Suggested Semantics. - Andy Carver (OTM Workshops, 2011)

Reference Scheme Reduction on Subtypes in ORM. - Andy Carver; Terry A. Halpin (OTM Workshops, 2013)