Business activities within the organization are performed by a number of human or automated actors. For the organization to adapt to internal or external changes it must be able to understand how and why actors are related to and assigned to processes. This requires a consistent representation of the services required by the organization's processes and those provided by its actors. This paper focuses on defining the concepts that allow structurally aligning human actors and business processes

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... hrough the description of the organizational competencies required to perform processes' activities. These structures can then be used dynamically within a marketplace-based model, supporting the management of actors and activities according to the supply and demand of competencies.