# x-operator: MIXED — see per-term notes below. # institution : DR-NTU (Data) / Dataverse terms. researchdata.ntu.edu.sg is NTU-hosted # (CNAME dataverse.ntu.edu.sg -> 155.69.19.238, whois = Nanyang Technological University). # tenant : DSpace / DSpace-CRIS / OAI-PMH terms. dr.ntu.edu.sg CNAMEs to # ntu-cris.4science.cloud; the vocabulary is the vendor platform's. generated: '2026-08-19' method: derived source: openapi/_original/ntu-drntu-data.yaml, openapi/_original/ntu-drntu-repo-rest.yaml, openapi/_original/ntu-drntu-repo-oai.yaml vocabulary: name: NTU Repository & Research Data Vocabulary description: >- Controlled terms observed across the publicly documented, machine-readable APIs of Nanyang Technological University: DR-NTU (Data) on Dataverse 6.1, and DR-NTU (Digital Repository) on DSpace 7.6.3 with DSpace-CRIS, including its OAI-PMH endpoint. Terms are grounded in live API responses. version: '1.0.0' terms: - term: Dataverse definition: >- The open-source research data repository software (v6.1) powering DR-NTU (Data); also the name of a collection/container of datasets. tags: [dataverse, platform, research-data] - term: Dataset definition: >- A published research data record with a persistent DOI, metadata, version state, and one or more files. tags: [dataverse, object] - term: global_id definition: >- The persistent global identifier of a Dataverse object, typically a DOI such as doi:10.21979/N9/MUULD6. tags: [dataverse, identifier] - term: versionState definition: >- Lifecycle state of a dataset version, e.g. RELEASED or DRAFT. tags: [dataverse, field] - term: DSpace definition: >- The institutional repository software (v7.6.3) powering DR-NTU (Digital Repository), exposing a HAL-based REST API. tags: [dspace, platform, repository] - term: DSpace-CRIS definition: >- The Current Research Information System extension layered on DSpace, adding entity types such as Publication and Person. tags: [dspace, cris] - term: Item definition: >- The core DSpace content object representing a publication, thesis, or final year project, identified by a UUID and a handle. tags: [dspace, object] - term: handle definition: >- A persistent identifier for a repository item in the 10356/ prefix space, e.g. 10356/213929. tags: [dspace, identifier] - term: metadata definition: >- A map of Dublin Core / DSpace-CRIS field keys (e.g. dc.title, dc.contributor.author) to arrays of value objects. tags: [dspace, dublin-core, field] - term: indexableObject definition: >- The concrete repository object (item, collection, community) embedded in a discovery search hit. tags: [dspace, discover] - term: HAL definition: >- Hypertext Application Language; the hypermedia convention used by the DSpace REST API via _embedded and _links. tags: [dspace, hypermedia] - term: OAI-PMH definition: >- Open Archives Initiative Protocol for Metadata Harvesting v2.0, used to harvest metadata records from the repository. tags: [oai-pmh, harvesting, metadata] - term: verb definition: >- The OAI-PMH request parameter selecting the operation, e.g. Identify, ListRecords, GetRecord, ListMetadataFormats. tags: [oai-pmh, parameter] - term: metadataPrefix definition: >- The OAI-PMH metadata format selector, e.g. oai_dc for simple Dublin Core. tags: [oai-pmh, parameter] - term: resumptionToken definition: >- Flow-control token returned in incomplete OAI-PMH list responses to page through large result sets. tags: [oai-pmh, pagination]