Contract Workflow Model Patterns Using BPMN

Abstract

Abstract.. Business Process Models are typically used to express inter or intra –enterprise business activities/processes. Contractual obligations need to be fulfilled through execution of business processes on behalf of the contracting parties. To do so, business contract terms and conditions need to be semantically integrated to existing internal business process models. Contract obligation, performance, non-performance and other related concepts have been expressed as conceptual models in a Multi-Tier Contract Ontology (MTCO). Based on the MTCO, business process modelers may model the contract obligation fulfillment process as Contract Workflow Models(CWM) using Business Process Modeling Notation (BPMN) diagrams. The paper discusses the ongoing research and choices made in the semantic translation from contract obligations to CWM –BPMN Diagrams. Some of the contract workflow patterns are also presented.The paper concludes with a discussion on open issues to be resolved.

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