The invention relates to a method of automatically modelling a
relationship between a configurable product and a plurality of components
of the configurable product as a bill of materials, wherein the
configurable product and the plurality of components are related to one
another by a plurality of selection conditions. The method comprising:
providing a processor device; generating in demand planning a plurality
of characteristic value combinations representing the plurality of
selection conditions, modelling the bill of materials using the
characteristic value combinations, and using the bill of material to
control the supply of the product.