Handling incompletely specified contracts by Argumentation

Analyzing interorganizational contracts, based on the wide visualization possibilities offered by the representation with Open Workflow Nets for the contract parties, we can identify those deadlock cases that may jeopardize the successful finalization of the service described in the contract. Handling such exceptional situations using the reasoning power of the Value based Argumentation Framework that allows us to consider at all times the best interests of each side, enabling a final decision making characterized by minimum risks and losses for the parties involved.