The backend of the database is a Neo4J graph database. The conceptual graph model in the database is based on the ISO/IEC 11179-3, a metadata registries metamodel of the International Organization for Standardization (ISO)’s technical committee on data management and interchange.
Figure: Conceptual models (ovals) of the data in the CCDH Terminology Service and their sources (the shaded boxes).
The Cypher language is used to define the schema, and the schema is loaded into the docker container automatically when the container is started.
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