Mapping Application Ontologies as a Gateway into OBDA Systems in the Internet of Production

The aim of the Industry 4.0 research initiative is to enable globally networked, flexible and adaptable production. This results in the vision of the Cluster of Excellence Internet of Production (IoP): Creation of a new level of cross-domain collaboration between all production process participants, so that semantically adequate and context-aware data is available along the value chain. The main challenges hereby are the large amount and heterogeneity of generated production data. Both challenges can be handled by combining the advantages of existing object relational databases (ORDBMS) for storing production data and ontologies for data management and integration within the ontology based data access (OBDA) approach. This paper provides a concept of mapping an application ontology as a gateway into an OBDA system for management of production data. For that, transformation rules of an ORDBMS into an application ontology are defined and implemented. The proposed system can enable a first step into the vision of a global Internet of Production, consisting of different levels of semantically enriched data. The aim of this paper is thereby to highlight potentials of semantic data modeling for a global sustainable production network.