Considering the solution of dynamic access problems in a user hierarchy, a novel scheme based on one-way hash function is proposed to manage the cryptographic keys in the paper. T...
Workflow Management Systems need to support organizations adapt their workflows to meet changing environments and business processes. We propose a traceability based knowledge man...
Ontology versioning deals with the management of ontology changes, including the evaluation of the consequences arising from these changes. We describe a distributed, “pluggable...
Ernesto Compatangelo, Wamberto Vasconcelos, Bruce ...