Achieving a Sustainable Economy with Digital Product Passports
representation of products ( Product ) on models , batches or item level , sub-products , supply chains and DPPs . Moreover , detailed information about all concepts classified as Entity , can be added using the Property and SemanticReference concepts .
Figure 4-3 shows the concepts and relations of the mid-level ontology of the SFW Capability Model . Significant extensions to the top-level ontology are the concepts ProductPassport for modeling a DPP , the concepts SupplyChain and SupplyChainElement for modeling supply chains and the concepts HumanResource and Machine for modeling production resources . A product can have exactly one DPP as shown by the cardinality in Figure 4-3 . A DPP in turn has a unique identifier and can be specified by several properties .
Figure 4-3 : Smart Factory Web – Capability Model ( Mid-level Ontology ).
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