Commitment management is a key issue in service-provisioning in the context of virtual organisations (VOs). A service-provider — which may be a single agent acting within an orga...
The properties of a domain oriented modelling approach or language are determined by the dominant semantics of the domain. A significant subclass that needs particular attention,...
Software applications that work with biomedical data have significant knowledge-management requirements. Formal knowledge models and knowledge-based methods can be very useful in m...
Martin J. O'Connor, Ravi Shankar, Samson W. Tu, Cs...
Abstract. We study large-scale distributed cooperative systems that use optimistic replication. We represent a system as a graph of actions (operations) connected by edges that rei...
Schemas evolve over time to accommodate the changes in the information they represent. Such evolution causes invalidation of various artifacts depending on the schemas, such as sc...