Semantic access to materials databases using the materials design ontology

Patrick Lambrix, Linköping University, Sweden

In the materials design domain, much of the data from materials calculations is stored in different heterogeneous databases with different data and access models. Therefore, accessing and integrating data from different sources is challenging. In this talk I describe an ontology-based access and integration framework that alleviates these issues. As a proof-of-concept, we integrated several databases participating in the OPTIMADE consortium by implementing a GraphQL-based variant of the framework and using the Materials Design Ontology that we developed.

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