This is a SSAS multidimensional data cube with hierarchical data (Bill of Materials). Even though this link goes through the process of building this SSAS cube for SAP R3, I believe there is something here to be gleaned in building your own similar BI cubes for your non-SAP ERP system.
https://biwithjb.wordpress.com/2011/05/23/bom-bill-of-materials-scenarios-with-sql-server-analysis-services-2008-r2/
Visibility ERP blob site link
