Dataset

KupferDigital_BAM_Vickers_E

KupferDigital mechanical testing dataset from BAM for the Vickers hardness test data of sample E

Project: KupferDigital
Published by admin

Metadata-only record

This entry is a public catalogue pointer: it links to an external website or repository, but no RDF graph/entities have been published in MatPortal yet. Browse graph-rich public records to explore RDF resources, SPARQL, and GraphRAG features.

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1

Files & access

53%

Quality

Dataset identity

Stable URI
https://datagraph.dev.matportal.org/id/dataset/kupferdigital-bam-vickers-e Open
Portal page
/datasets/kupferdigital-bam-vickers-e Open
RDF Turtle
https://datagraph.dev.matportal.org/data/dataset/kupferdigital-bam-vickers-e.ttl Open
License
Reuse license not specified
Publisher
BAM
Published by
admin
Project
KupferDigital
Version
Not specified
Identifier
70f923a4-82b1-4340-a965-0f207d19cb05

What is available here?

  • A stable MatPortal dataset identifier and machine-readable metadata.
  • Public source/documentation links for the external portal or repository.
  • No MatPortal-hosted RDF graph, RDF resources, GraphRAG evidence, or SPARQL graph query yet.

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Related ontologies and catalogue context

Vickers hardness

Files & access

1 file/access item

Vickers_E.xlsx

Public file, distribution, or access URL

XLSX
application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
Open file/access URL

File preview

Preview metadata is available, but no preview rows were returned.

Named graphs

Query this data

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RDF resources

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Indexed sources

  • Dataset Metadata
  • Distribution

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Graph-aware Q&A readiness

  • Dataset Metadata
  • Distribution

Dataset quality and readiness

Score
53%
Maturity
draft_metadata
Publication boundary
Public output is derived from reviewed public dataset/resource/graph metadata only.

Checks and recommendations

  • Core metadata completeness
  • Persistent identifier and citation readiness
  • License availability
  • File, service, or access-resource links
  • Ontology and linked-data context
  • Unit and quantity-kind validation
  • Governance and review state

Dataset FAIR assessment

FAIR assessment is not available yet.

Unit profile

{
  "valid": true,
  "score": 1.0,
  "checked_fields": [],
  "issues": [],
  "profile": "matportal-materials-qudt-lite-v1"
}

Semantic dataset passport

Passport ID
kupferdigital-bam-vickers-e
DCAT
https://datagraph.dev.matportal.org/id/dataset/kupferdigital-bam-vickers-e
Review status
published

Semantic mirror manifest

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    "matportal": "https://w3id.org/matportal/schema#"
  },
  "id": "https://datagraph.dev.matportal.org/api/v1/datasets/kupferdigital-bam-vickers-e/mirror-package",
  "type": "matportal:SemanticMirrorPackage",
  "dataset": "https://datagraph.dev.matportal.org/datasets/kupferdigital-bam-vickers-e",
  "dataset_slug": "kupferdigital-bam-vickers-e",
  "generated_at": "2026-07-16T20:48:28.366465+00:00",
  "raw_data_policy": "linked-only; no raw data copied by this package",
  "publication_boundary": "review artefact; downstream data-space publication remains governed",
  "contains": [
    "dcat-jsonld",
    "datacite-style-metadata",
    "ro-crate-metadata",
    "ckan-package-json",
    "edc-asset-json",
    "aas-submodel-semantic-ids",
    "sssom-mapping-snapshot",
    "shacl-shape-scaffold",
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  "counts": {
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    "graphs": 0,
    "indexed_entities": 0,
    "mappings": 0,
    "unit_fields_checked": 0
  },
  "source_authority": "MatPortal dataset metadata and linked external providers remain authoritative; connector cards preserve source links."
}

Material identity crosswalk

No public material identity crosswalk entries are linked to this dataset yet.

Machine access

Raw public metadata

{
  "id": "dataset_89e823f57eef88c3",
  "slug": "kupferdigital-bam-vickers-e",
  "title": "KupferDigital_BAM_Vickers_E",
  "description": "KupferDigital mechanical testing dataset from BAM for the Vickers hardness test data of sample E",
  "license": "",
  "creators": [
    "Hossein Beygi Nasrabadi"
  ],
  "organization": "KupferDigital",
  "project": "KupferDigital",
  "published_by": "admin",
  "groups": [],
  "keywords": [
    "Vickers hardness"
  ],
  "tags": [
    "Vickers hardness"
  ],
  "visibility": "public",
  "status": "published",
  "ontology_annotations": [],
  "distributions": [
    {
      "title": "Vickers_E.xlsx",
      "filename": "vickers_e.xlsx",
      "description": "",
      "visibility": "public",
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      "media_type": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
      "format": "XLSX",
      "checksum_sha256": "",
      "size_bytes": 21346,
      "source_uri": "https://ckan.kupferdigital.org/dataset/70f923a4-82b1-4340-a965-0f207d19cb05/resource/43c7ea94-2745-46d0-a58f-7ec438489bc8/download/vickers_e.xlsx",
      "download_url": "https://ckan.kupferdigital.org/dataset/70f923a4-82b1-4340-a965-0f207d19cb05/resource/43c7ea94-2745-46d0-a58f-7ec438489bc8/download/vickers_e.xlsx",
      "access_url": "https://ckan.kupferdigital.org/dataset/70f923a4-82b1-4340-a965-0f207d19cb05/resource/43c7ea94-2745-46d0-a58f-7ec438489bc8/download/vickers_e.xlsx",
      "uri": "https://datagraph.dev.matportal.org/id/distribution/kupferdigital-bam-vickers-e/resource_9e2ee901d3754a0d",
      "url_type": "external",
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      "views": [
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          "id": "",
          "title": "Table preview",
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          "embeddable": false,
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      "transform_provenance": {
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        "harvested_from": "https://dataportal.material-digital.de/",
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      "updated_at": "2026-06-14T01:25:05.024793Z"
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  "graph_ids": [],
  "entity_count": 0,
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  "contact_points": [
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  ],
  "publisher": "BAM",
  "homepage": "https://doi.org/10.5281/zenodo.7670583",
  "landing_page": "https://dataportal.material-digital.de/dataset/kupferdigital_bam_vickers_e",
  "release_date": "2023-02-23T14:08:43.515644",
  "modification_date": "2025-03-24T12:06:04.644511",
  "version": "",
  "version_notes": "",
  "identifier": "70f923a4-82b1-4340-a965-0f207d19cb05",
  "frequency": "",
  "provenance": "Harvested from Platform MaterialDigital CKAN Action API without credentials. ",
  "dataset_type": "dataset",
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  "temporal_resolution": "",
  "spatial_coverage": [],
  "spatial_resolution_meters": null,
  "access_rights": "",
  "other_identifiers": [],
  "theme": [],
  "language": [],
  "documentation": [
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    "https://doi.org/10.5281/zenodo.7670583"
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  "conforms_to": [],
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  "qualified_relations": [],
  "citation": "",
  "activity": [
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      "event": "dataset_created",
      "actor": "admin",
      "note": "Dataset registered in native DataGraph"
    },
    {
      "at": "2026-06-14T01:25:04.973828+00:00",
      "event": "dataset_imported",
      "actor": "admin",
      "note": "Imported/updated from Platform MaterialDigital CKAN API."
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    {
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      "event": "resource_added",
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      "note": "Vickers_E.xlsx"
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    "extras": {}
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  "created_at": "2026-06-14T01:25:04.933510Z",
  "updated_at": "2026-06-14T01:25:05.024793Z"
}