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LE1 1 3TU UK were investigated [3], [4] a few years later. A subsequent paper [SI discussed the interaction between product iterative unfolding of these on a complex project.Abstract -Interest in role-based models of collaborotive based support tools for cooperative working, some hwiity years ago. Role Activity Theory (RAT), one strand of can be traced back to lhe O f definition and role identification within a project and the research originating in the sofware engineering community, involves the formal modeling of roles and their interoctioiis. This paper reviews indiisi'rial experience in using the RAT approach in an aerospace application. Practical experience suggests that there is a iieed for a methodology to develop effective role-based support iitfoimation systems. A methodologv is proposed for modeling and planning tlie role aspects ofproce,sses and projects, based on a cognitive management fromework. The selective deployment ofRAT-based ~QOIS is supported A rationale for tlie proposals is provided and an example application from the system sojety domain is discussed.

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