Collaborative Networh (CNs) enhance the preparedness ol their participants to promptlv form Virtual Organisations (VOs) that are able to successful~v tender for large scale and distributed projects. However, the CN elficiency essential~v depend~ on the ability of its managers to match and customise available reference models but o!;en, also to create new project activities. Thus, given a particular VO creation project, the CN managers must prompt(v infer 'what needs to be done' (discover the

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... ject processes) and how to best communicate their Justified belief~' to the CN members involved. This paper proposes a framework for a decision support system that can help managers and enterprise architects discover/update the main activities and aspects that need to be modelledfor various entelprise task types, with special emphasis on the creation of" VOs. Thef;'amework content is also explained 'by example', in the context ofa real-world scenario.