Transforming business process models in the presence of irreducibility and concurrencyWei ZhaoBarrett R. Bryantet al.2007International Journal of Business Process Integration and Management
Compiling business processes: untangling unstructured loops in irreducible flow graphsWei ZhaoRainer Hauseret al.2006IJWGS
Transforming business process models: Enabling programming at a higher levelWei ZhaoBarrett R. Bryantet al.2005SCC 2005