Dataset

Copper Key Raw Files

The extracted copper key, those files are the base for the Copper-Key Knowledge graph

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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9

Files & access

50%

Quality

Dataset identity

Stable URI
https://datagraph.dev.matportal.org/id/dataset/copper-key-raw-files Open
Portal page
/datasets/copper-key-raw-files Open
RDF Turtle
https://datagraph.dev.matportal.org/data/dataset/copper-key-raw-files.ttl Open
License
Reuse license not specified
Publisher
DKI
Published by
admin
Project
KupferDigital
Version
Not specified
Identifier
a02cfe1d-f63f-4a9c-84bd-9fe68f8a26c2

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

No categories, slices, or related ontology links have been published for this dataset yet.

Files & access

9 file/access items

material-raws.csv

Public file, distribution, or access URL

CSV
text/csv
Open file/access URL

datasheets.csv

Public file, distribution, or access URL

CSV
text/csv
Open file/access URL

material-forms.csv

Public file, distribution, or access URL

CSV
text/csv
Open file/access URL

chemical-compositions.csv

Public file, distribution, or access URL

CSV
text/csv
Open file/access URL

norms.csv

Public file, distribution, or access URL

CSV
text/csv
Open file/access URL

materials.csv

Public file, distribution, or access URL

CSV
text/csv
Open file/access URL

countries.csv

Public file, distribution, or access URL

CSV
text/csv
Open file/access URL

chemical-compositions-processed.csv

Public file, distribution, or access URL

CSV
text/csv
Open file/access URL

materials-cleaned.csv

Public file, distribution, or access URL

CSV
text/csv
Open file/access URL

File preview

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

Named graphs

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RDF resources

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Indexed sources

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Graph-aware Q&A readiness

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Dataset quality and readiness

Score
50%
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
copper-key-raw-files
DCAT
https://datagraph.dev.matportal.org/id/dataset/copper-key-raw-files
Review status
published

Semantic mirror manifest

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  "type": "matportal:SemanticMirrorPackage",
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  "dataset_slug": "copper-key-raw-files",
  "generated_at": "2026-07-16T21:20:50.240314+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": [
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    "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": {
    "resources": 9,
    "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

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