Dataset

HTO Demo

demo data set von PT500 für HTO applications Ontologien. This MatPortal catalogue entry is listed under PMD, catalogued under source association source record. It includes 5 linked resources with formats such as CSV, JSON, text/turtle; charset=utf-8, yaml, turtle, including 2022.06.10_12.03.55_Charge_3471.csv, 2022.06.10_12.03.55_charge_3471-metadata.json, 2022.06.10_12.03.55_charge_3471-joined.ttl.

General materials data
Project: PMD
Published by admin
Back to browse RDF metadata

5

Files & access

1

Graphs

258

RDF resources

73%

Quality

Dataset identity

Stable URI
https://data.stage.matportal.org/id/dataset/hto-demo Open
Portal page
/datasets/hto-demo Open
RDF Turtle
https://data.stage.matportal.org/data/dataset/hto-demo.ttl Open
License
Reuse license not specified
Publisher
PMD
Published by
admin
Project
PMD
Version
Not specified
Identifier
d77e93f5-9c89-4a11-9e8a-e6b2da2a7d3b

Use this dataset

To work with this dataset in scripts or Jupyter notebooks, copy the public RDF Turtle URL or use the SPARQL query template below.

RDF URL
https://data.stage.matportal.org/data/dataset/hto-demo.ttl
Named Graph
https://datagraph.stage.matportal.org/id/graph/hto-demo/2022-06-10-12-03-55-charge-3471-joined-88330f7c

SPARQL query template

SELECT ?s ?p ?o WHERE {
  VALUES ?g { <https://datagraph.stage.matportal.org/id/graph/hto-demo/2022-06-10-12-03-55-charge-3471-joined-88330f7c> }
  GRAPH ?g { ?s ?p ?o }
}
LIMIT 100
Open in SPARQL workbench

Related ontologies and catalogue context

General materials data

Files & access

5 file/access items

2022.06.10_12.03.55_Charge_3471.csv

Public file, distribution, or access URL

CSV
text/csv
Open file/access URL

2022.06.10_12.03.55_charge_3471-metadata.json

Public file, distribution, or access URL

JSON
application/json
Open file/access URL

2022.06.10_12.03.55_charge_3471-joined.ttl

Public file, distribution, or access URL

text/turtle; charset=utf-8
text/turtle
Open file/access URL

2022.06.10_12.03.55_charge_3471-map.yaml

Public file, distribution, or access URL

yaml
application/octet-stream
Open file/access URL

2022.06.10_12.03.55_charge_3471-joined.ttl

Public file, distribution, or access URL

turtle
text/turtle
Open file/access URL

File preview

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

Named graphs

Query this data
Graph URI Status Triples RDF resources
https://datagraph.stage.matportal.org/id/graph/hto-demo/2022-06-10-12-03-55-charge-3471-joined-88330f7c published 1,361 258

RDF resources

obo

RDF resource

Open resource

IAO_0000003

RDF resource

Open resource

IAO_0000109

RDF resource

Open resource

IAO_0020000

RDF resource

Open resource

OBI_0001931

RDF resource

Open resource

contributor

RDF resource

Open resource

created

RDF resource

Open resource

creator

RDF resource

Open resource

description

RDF resource

Open resource

license

RDF resource

Open resource

title

RDF resource

Open resource

DEG_C

RDF resource

Open resource

Ask this dataset with GraphRAG

GraphRAG searches MatPortal's public dataset metadata, named graph metadata, indexed RDF resources, and facts. It does not copy or vectorize every external file or raw distribution.

Clear

Ask a question above to get a graph-aware answer and a safe SPARQL starting point.

Indexed sources

  • Dataset Metadata
  • Distribution
  • Distribution
  • Distribution
  • Distribution
  • Distribution
  • Named Graph

Query this dataset

Use the guarded public SPARQL workbench with a dataset graph template. Only read-only SELECT queries with limits are accepted.

SELECT ?s ?p ?o WHERE {
  VALUES ?g { <https://datagraph.stage.matportal.org/id/graph/hto-demo/2022-06-10-12-03-55-charge-3471-joined-88330f7c> }
  GRAPH ?g { ?s ?p ?o }
}
LIMIT 100
Open in SPARQL workbench

Graph-aware Q&A readiness

  • Dataset Metadata
  • Distribution
  • Distribution
  • Distribution
  • Distribution
  • Distribution
  • Named Graph

Dataset quality and readiness

Score
73%
Maturity
Review ready
Publication boundary
Public output is derived from reviewed public dataset/resource/graph metadata only.

Checks and recommendations

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

Dataset FAIR assessment

Overall FAIR score
63%
Assessment coverage
87% (Partial)
Principle scores
  • F: 69%
  • A: 100%
  • I: 33%
  • R: 60%
Profile / version
matportal-dataset-fair-v1 (v1.0.0)
Source revision
1784684835490005234-132416932
Source updated at
2026-06-14T01:31:37.685203Z

FAIR criterion details

FAIL [F1] Unique and Persistent Identifier

Reason: No identifier or DOI metadata is present.

Missing/needed:

  • Translation missing: en.dataset_fair_detail.criteria.F1.fail.missing

Score: 0%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: identifier, other_identifiers)

PARTIAL [F2] Rich Descriptive Metadata

Reason: Core descriptive metadata is partially populated (75%).

Evidence:

  • Translation missing: en.dataset_fair_detail.criteria.F2.partial.evidence
  • Description field is populated
  • Publisher or Organization is populated

Missing/needed:

  • Translation missing: en.dataset_fair_detail.criteria.F2.partial.missing

Score: 75%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: title, description, creators, publisher, organization)

PASS [F3] Metadata Identifier Linkage

Reason: Metadata contains the identifier of the described dataset distributions.

Evidence:

  • Translation missing: en.dataset_fair_detail.criteria.F3.pass.evidence

Score: 100%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: identifier, distributions)

PASS [F4] Searchable Catalogue Indexing

Reason: Dataset is registered in the public searchable catalogue.

Evidence:

  • Translation missing: en.dataset_fair_detail.criteria.F4.pass.evidence

Score: 100%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: visibility, status)

PASS [A1] Retrievability Protocol

Reason: Distributions are defined for standard protocol retrievability.

Evidence:

  • Translation missing: en.dataset_fair_detail.criteria.A1.pass.evidence

Score: 100%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: distributions)

PASS [A1.1] Open Communication Protocol Scheme

Reason: All distribution access paths conform to standard open protocol schemes.

Evidence:

  • Translation missing: en.dataset_fair_detail.criteria.A1_1.pass.evidence

Score: 100%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: distributions)

UNAVAILABLE [A1.2] Authorization Protocol Metadata

Reason: Access authorization metadata is not specified or unavailable.

Evidence:

  • Translation missing: en.dataset_fair_detail.criteria.A1_2.unavailable.evidence

Missing/needed:

  • Translation missing: en.dataset_fair_detail.criteria.A1_2.unavailable.missing

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: access_rights, distributions)

UNAVAILABLE [A2] Metadata Persistence Tombstone Policy

Reason: Metadata retention policy is currently unavailable.

Evidence:

  • Translation missing: en.dataset_fair_detail.criteria.A2.unavailable.evidence

Missing/needed:

  • Translation missing: en.dataset_fair_detail.criteria.A2.unavailable.missing

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0

PASS [I1] Formal Knowledge Language representation

Reason: Dataset is represented in formal W3C RDF/OWL graph representation.

Evidence:

  • Translation missing: en.dataset_fair_detail.criteria.I1.pass.evidence

Score: 100%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: graph_ids, distributions)

FAIL [I2] FAIR Vocabulary References

Reason: No ontology annotations or standards conforms_to references are present.

Missing/needed:

  • Translation missing: en.dataset_fair_detail.criteria.I2.fail.missing
  • conforms_to standards references

Score: 0%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: ontology_annotations, conforms_to)

FAIL [I3] Qualified References and Relations

Reason: No qualified relations or external citations are defined.

Missing/needed:

  • Translation missing: en.dataset_fair_detail.criteria.I3.fail.missing
  • other_identifiers / is_referenced_by

Score: 0%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: qualified_relations, other_identifiers, is_referenced_by)

PARTIAL [R1] Descriptive Attributes Plurality

Reason: Plurality of attributes is partially sufficient.

Evidence:

  • Translation missing: en.dataset_fair_detail.criteria.R1.partial.evidence

Missing/needed:

  • Translation missing: en.dataset_fair_detail.criteria.R1.partial.missing
  • keywords / tags

Score: 40%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: title, description, creators, keywords, tags)

PASS [R1.1] Clear Usage License

Reason: A valid data usage license is specified.

Evidence:

  • Translation missing: en.dataset_fair_detail.criteria.R1_1.pass.evidence

Score: 100%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: license)

PASS [R1.2] Detailed Provenance Metadata

Reason: Provenance metadata is fully specified.

Evidence:

  • Translation missing: en.dataset_fair_detail.criteria.R1_2.pass.evidence
  • Distribution transform provenance is populated

Score: 100%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: provenance, distributions)

FAIL [R1.3] Domain Community Standards Conformance

Reason: No standard conformances or term URIs are specified.

Missing/needed:

  • Translation missing: en.dataset_fair_detail.criteria.R1_3.fail.missing
  • Data dictionary ontology term / unit URIs

Score: 0%

Provenance: Profile: matportal-dataset-fair-criterion-v1, v1.0.0 (fields: conforms_to, distributions, ontology_annotations)

Unit profile

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

Semantic dataset passport

Passport ID
hto-demo
DCAT
https://datagraph.stage.matportal.org/id/dataset/hto-demo
Review status
published

Semantic mirror manifest

{
  "@context": {
    "dcterms": "http://purl.org/dc/terms/",
    "dcat": "http://www.w3.org/ns/dcat#",
    "prov": "http://www.w3.org/ns/prov#",
    "matportal": "https://w3id.org/matportal/schema#"
  },
  "id": "https://datagraph.stage.matportal.org/api/v1/datasets/hto-demo/mirror-package",
  "type": "matportal:SemanticMirrorPackage",
  "dataset": "https://datagraph.stage.matportal.org/datasets/hto-demo",
  "dataset_slug": "hto-demo",
  "generated_at": "2026-08-11T18:31:01.788675+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",
    "review-record"
  ],
  "counts": {
    "resources": 5,
    "graphs": 1,
    "indexed_entities": 258,
    "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_77c0d4ee35f701af",
  "slug": "hto-demo",
  "title": "HTO Demo",
  "description": "demo data set von PT500 für HTO applications Ontologien. This MatPortal catalogue entry is listed under PMD, catalogued under source association source record. It includes 5 linked resources with formats such as CSV, JSON, text/turtle; charset=utf-8, yaml, turtle, including 2022.06.10_12.03.55_Charge_3471.csv, 2022.06.10_12.03.55_charge_3471-metadata.json, 2022.06.10_12.03.55_charge_3471-joined.ttl.",
  "license": "License not specified",
  "creators": [],
  "organization": "PMD",
  "project": "PMD",
  "slice": "materialdigital",
  "published_by": "admin",
  "groups": [],
  "keywords": [],
  "tags": [],
  "visibility": "public",
  "status": "published",
  "ontology_annotations": [],
  "categories": [
    "General materials data"
  ],
  "distributions": [
    {
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      "filename": "2022.06.10_12.03.55_charge_3471.csv",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "text/csv",
      "format": "CSV",
      "checksum_sha256": "",
      "size_bytes": 0,
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      "download_url": "https://dataportal.material-digital.de/dataset/d77e93f5-9c89-4a11-9e8a-e6b2da2a7d3b/resource/de2961d0-b1c0-4da5-844d-e12bdd813440/download/2022.06.10_12.03.55_charge_3471.csv",
      "access_url": "https://dataportal.material-digital.de/dataset/d77e93f5-9c89-4a11-9e8a-e6b2da2a7d3b/resource/de2961d0-b1c0-4da5-844d-e12bdd813440/download/2022.06.10_12.03.55_charge_3471.csv",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/hto-demo/resource_cb62bd018417a128",
      "url_type": "upload",
      "rdf_format": null,
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      "views": [
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          "id": "",
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      "datastore_active": false,
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      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {
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        "harvested_from": "https://dataportal.material-digital.de/",
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      "media_type": "application/json",
      "format": "JSON",
      "checksum_sha256": "",
      "size_bytes": 0,
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      "download_url": "https://dataportal.material-digital.de/dataset/d77e93f5-9c89-4a11-9e8a-e6b2da2a7d3b/resource/0fcf2194-a02d-42d0-9332-7d0cb2664818/download/2022.06.10_12.03.55_charge_3471-metadata.json",
      "access_url": "https://dataportal.material-digital.de/dataset/d77e93f5-9c89-4a11-9e8a-e6b2da2a7d3b/resource/0fcf2194-a02d-42d0-9332-7d0cb2664818/download/2022.06.10_12.03.55_charge_3471-metadata.json",
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      "url_type": "upload",
      "rdf_format": null,
      "ontology_annotations": [],
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      "views": [
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          "embed_url": "",
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          "default": true,
          "config": {}
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      "datastore_active": false,
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      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {
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        "harvested_from": "https://dataportal.material-digital.de/",
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      "filename": "2022.06.10_12.03.55_charge_3471-joined.ttl",
      "description": "",
      "visibility": "public",
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      "media_type": "text/turtle",
      "format": "text/turtle; charset=utf-8",
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          "embed_url": "",
          "embeddable": false,
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          "config": {}
        }
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      "query_supported": false,
      "transform_provenance": {
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        "harvested_from": "https://dataportal.material-digital.de/",
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