@Jorge Olmeda It is definitely possible to do the dataset route rather than the Subject Area route. Thank you for this feedback and let me check over.

Check this blogs for more information on reusable artifacts for FDI https://blogs.oracle.com/analytics/post/reusable-workbooks-fdi-artifacts-for-fusion-data-intelligence More sample workbooks are being made available too

May be can give better response - if you share more information no the subject area you are using. On the generic note - have you tried combination of datasets and dataflow to achieve this?