A behavioral notion of subtyping
Viewstamped replication: a general primary copy
Proceedings of the seventh annual ACM Symposium on Principles of distributed computing - PODC ’88
ACM Transactions on Programming Languages and Systems
Jeannette M. Wing
Brian M. Oki
Building consistent transactions with inconsistent replication
Unifying Explanatory and Constructive Modeling: Towards Removing the Gulf Between Ontologies and Conceptual Models