%0 Conference Paper %B 20th International Conference on Advanced Information Systems Engineering (CAiSE'08) %D 2008 %T Exploring the Effectiveness of Normative i* Modelling: Results from a Case Study on Food Chain Traceability. %A Siena, A %A Maiden, N %A Lockerbie, J %A Karlsen, K %A Perini, A %A Susi, A %C Montpellier, France %8 16/06/2008