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NII Data Governance

Semantic interoperability

NII Case Study Infobox

  • Author: Toshiyuki Hiraki (@hirakinii)
  • Last updated: 2025-02-17
  • Mapping Type: Mapping Type
  • Status of this case study: Status

Mapping between metadata schemas used in our research data infrastructure (NII Research Data Cloud).

Domain

Research data management.

Purpose of the mapping

Semantic interoperability.

Other purpose of the mapping

None given.

Type of mapped resources

Metadata handled in the GakuNin RDM and those defined by the NII RDC application profile.

Tools used for creating the mapping

  • Creation of the mapping itself: manual
  • Use of the mapping: DG Metadata Manager (Note: documentation is in Japanese).

Type of mapping relations

  • Entity mappings
  • one-to-one

Examples (samples) of different types of mapping implementations

"researcher[].email[]": {
    "type": "string",
    "source": "member_info",
    "value": "data.embeds.users.data.attributes.email",
    "list": {
        "data": "researcher"
    }
}