1. http://copeit.cti.gr/ Nikos Karacapilidis Research Academic Computer Technology Institute & University of Patras, Greece

5. collection & sharing of collaboration items interrelation & evolution of collaboration items informal / semiformal argumentation exploitation of legacy resources semantic annotation of collaboration items informal / semiformal aggregation of collaboration items formal exploitation of collaboration items patterns formal argumentation and reasoning mechanisms Our approach (iii) Informal Formal collaboration space projection 2 toolset 2 projection n toolset n … projection 1 toolset 1 Formality

7. Another instance of the collaboration

8. Filtered view: automatically arranging items