How to map a line item into a dimension

Hello, below my issue.  I have a Module Product_FollowUp with product list and Time as dimension of this module. Inside the module, i have  a line item "Assigned Resources" based on a list of Resources and others line item with number (ie : "Validation Done"). The Ressources is not a dimension of this module. I need a Module Product_Weekly&Resources_Recap to recap by Time & Resources the product Validation Done.  What will be the best approach in order to avoir to have the Resources as a dimension in first Product_FollowUp module ? Best Christophe Ballihaut 

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