Algebra of Systems: An Executable Framework for Model Synthesis and Evaluation. - Benjamin H. Y. Koo; Willard L. Simmons; Edward F. Crawley (ICSEM, 2007)

Decision-making for systems architecting using meta-languages. - Willard L. Simmons; Benjamin H. Y. Koo; Edward F. Crawley (SMC, 2007)

Algebra of Systems: A Metalanguage for Model Synthesis and Evaluation. - Benjamin H. Y. Koo; Willard L. Simmons; Edward F. Crawley (IEEE Trans. Syst. Man Cybern. Part A, 2009)