Dataset

iof-sieving

iof-sieving is a MatPortal dataset catalogue entry listed under PMD, catalogued under source association source record. It includes 11 linked resources with formats such as CSV, SPARQL, text/turtle, json-ld, text/turtle; charset=utf-8, including sieveDistribution-AMMD.csv, SPARQL, merged.ttl. The original short source note was: Demo dataset for iof sieving data. It is published in MatPortal by admin for dataset discovery, linked-data browsing, and assistant/RAG indexing.

Dataset identity

Stable URI
https://data.stage.matportal.org/id/dataset/iof-sieving Open
Portal page
/datasets/iof-sieving Open
RDF Turtle
https://data.stage.matportal.org/data/dataset/iof-sieving.ttl Open
License
Reuse license not specified
Publisher
PMD
Published by
admin
Project
PMD
Version
Not specified
Identifier
b0400b4d-1589-41a3-8603-1186055fcd13

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/iof-sieving.ttl
Named Graph
https://datagraph.stage.matportal.org/id/graph/iof-sieving/sievedistribution-ammd-joined-d3eff9da

SPARQL query template

SELECT ?s ?p ?o WHERE {
  VALUES ?g { <https://datagraph.stage.matportal.org/id/graph/iof-sieving/sievedistribution-ammd-joined-d3eff9da> <https://datagraph.stage.matportal.org/id/graph/iof-sieving/sievedistribution-ammd-37ba4176> <https://datagraph.stage.matportal.org/id/graph/iof-sieving/sievedistribution-ammd-metadata-c694a4b3> <https://datagraph.stage.matportal.org/id/graph/iof-sieving/merged-1a266617> <https://datagraph.stage.matportal.org/id/graph/iof-sieving/sievedistribution-ammd-0a94bc64> }
  GRAPH ?g { ?s ?p ?o }
}
LIMIT 100

Related ontologies and catalogue context

Files & access

11 file/access items

sieveDistribution-AMMD.csv

Public file, distribution, or access URL

Open file/access URL

SPARQL

Public file, distribution, or access URL

Open file/access URL

merged.ttl

Public file, distribution, or access URL

Open file/access URL

sievedistribution-ammd-metadata.jsonld

Public file, distribution, or access URL

Open file/access URL

sievedistribution-ammd.ttl

Public file, distribution, or access URL

Open file/access URL

sievedistribution-ammd-joined.ttl

Public file, distribution, or access URL

Open file/access URL

sievedistribution-ammd.ttl

Public file, distribution, or access URL

Open file/access URL

merged.ttl

Public file, distribution, or access URL

Open file/access URL

sievedistribution-ammd-metadata.jsonld

Public file, distribution, or access URL

Open file/access URL

sievedistribution-ammd.ttl

Public file, distribution, or access URL

Open file/access URL

sievedistribution-ammd-joined.ttl

Public file, distribution, or access URL

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/iof-sieving/sievedistribution-ammd-joined-d3eff9da published 19 19
https://datagraph.stage.matportal.org/id/graph/iof-sieving/sievedistribution-ammd-37ba4176 published 11,248 419
https://datagraph.stage.matportal.org/id/graph/iof-sieving/sievedistribution-ammd-metadata-c694a4b3 published 98 23
https://datagraph.stage.matportal.org/id/graph/iof-sieving/merged-1a266617 published 21,499 4,948
https://datagraph.stage.matportal.org/id/graph/iof-sieving/sievedistribution-ammd-0a94bc64 published 11,246 418

RDF resources

annotate?return_type=json-ld

RDF resource

Open resource

rdf?return_type=turtle

RDF resource

Open resource

QuantityValue

RDF resource

Open resource

nil

RDF resource

Open resource

double

RDF resource

Open resource

integer

RDF resource

Open resource

string

RDF resource

Open resource

Column

RDF resource

Open resource

Row

RDF resource

Open resource

Table

RDF resource

Open resource

TableGroup

RDF resource

Open resource

csvEncodedTabularData

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.

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
  • Distribution
  • Distribution
  • Distribution
  • Distribution

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/iof-sieving/sievedistribution-ammd-joined-d3eff9da> <https://datagraph.stage.matportal.org/id/graph/iof-sieving/sievedistribution-ammd-37ba4176> <https://datagraph.stage.matportal.org/id/graph/iof-sieving/sievedistribution-ammd-metadata-c694a4b3> <https://datagraph.stage.matportal.org/id/graph/iof-sieving/merged-1a266617> <https://datagraph.stage.matportal.org/id/graph/iof-sieving/sievedistribution-ammd-0a94bc64> }
  GRAPH ?g { ?s ?p ?o }
}
LIMIT 100
Open in SPARQL workbench

Graph-aware Q&A readiness

  • Dataset Metadata
  • Distribution
  • Distribution
  • Distribution
  • Distribution
  • Distribution
  • Distribution
  • Distribution

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
2026-06-14T01:29:39.476108Z

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
iof-sieving
DCAT
https://datagraph.stage.matportal.org/id/dataset/iof-sieving
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/iof-sieving/mirror-package",
  "type": "matportal:SemanticMirrorPackage",
  "dataset": "https://datagraph.stage.matportal.org/datasets/iof-sieving",
  "dataset_slug": "iof-sieving",
  "generated_at": "2026-08-11T21:37:25.533498+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": 11,
    "graphs": 5,
    "indexed_entities": 5827,
    "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.

Raw public metadata

{
  "id": "dataset_b4b76f46dc63f1e4",
  "slug": "iof-sieving",
  "title": "iof-sieving",
  "description": "iof-sieving is a MatPortal dataset catalogue entry listed under PMD, catalogued under source association source record. It includes 11 linked resources with formats such as CSV, SPARQL, text/turtle, json-ld, text/turtle; charset=utf-8, including sieveDistribution-AMMD.csv, SPARQL, merged.ttl. The original short source note was: Demo dataset for iof sieving data. It is published in MatPortal by admin for dataset discovery, linked-data browsing, and assistant/RAG indexing.",
  "license": "License not specified",
  "creators": [],
  "organization": "PMD",
  "project": "PMD",
  "slice": "materialdigital",
  "published_by": "admin",
  "groups": [],
  "keywords": [],
  "tags": [],
  "visibility": "public",
  "status": "published",
  "ontology_annotations": [],
  "categories": [
    "Characterization & Testing"
  ],
  "distributions": [
    {
      "title": "sieveDistribution-AMMD.csv",
      "filename": "sievedistribution-ammd.csv",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "text/csv",
      "format": "CSV",
      "checksum_sha256": "",
      "size_bytes": 0,
      "source_uri": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/472a407d-6405-4f58-8793-0a82a730cae4/download/sievedistribution-ammd.csv",
      "download_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/472a407d-6405-4f58-8793-0a82a730cae4/download/sievedistribution-ammd.csv",
      "access_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/472a407d-6405-4f58-8793-0a82a730cae4/download/sievedistribution-ammd.csv",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/iof-sieving/resource_4c70b13203d5cfb0",
      "url_type": "upload",
      "rdf_format": null,
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "",
          "title": "Table preview",
          "view_type": "table",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": true,
          "config": {
            "mode": "datastore-preview"
          }
        },
        {
          "id": "",
          "title": "Download",
          "view_type": "download",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": true,
          "config": {}
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": true,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {
        "was_derived_from": "https://dataportal.material-digital.de/dataset/iof-sieving",
        "harvested_from": "https://dataportal.material-digital.de/",
        "source_resource_id": "472a407d-6405-4f58-8793-0a82a730cae4"
      },
      "id": "resource_4c70b13203d5cfb0",
      "dataset_slug": "iof-sieving",
      "created_at": "2026-06-14T01:24:34.174286Z",
      "updated_at": "2026-06-14T01:24:34.174286Z"
    },
    {
      "title": "SPARQL",
      "filename": "sparql",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "application/sparql-results+xml",
      "format": "SPARQL",
      "checksum_sha256": "",
      "size_bytes": 0,
      "source_uri": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/fuseki/$/sparql",
      "download_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/fuseki/$/sparql",
      "access_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/fuseki/$/sparql",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/iof-sieving/resource_add47efd23716c4e",
      "url_type": "external",
      "rdf_format": null,
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "",
          "title": "Download",
          "view_type": "download",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": true,
          "config": {}
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": true,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {
        "was_derived_from": "https://dataportal.material-digital.de/dataset/iof-sieving",
        "harvested_from": "https://dataportal.material-digital.de/",
        "source_resource_id": "5566847d-fec0-4063-9068-af02a425c461"
      },
      "id": "resource_add47efd23716c4e",
      "dataset_slug": "iof-sieving",
      "created_at": "2026-06-14T01:24:34.197866Z",
      "updated_at": "2026-06-14T01:24:34.197866Z"
    },
    {
      "title": "merged.ttl",
      "filename": "merged.ttl",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "text/turtle",
      "format": "text/turtle",
      "checksum_sha256": "",
      "size_bytes": 0,
      "source_uri": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/1a266617-e707-4506-be07-3f26c4295f23/download/merged.ttl",
      "download_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/1a266617-e707-4506-be07-3f26c4295f23/download/merged.ttl",
      "access_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/1a266617-e707-4506-be07-3f26c4295f23/download/merged.ttl",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/iof-sieving/resource_676a460732d7bbc1",
      "url_type": "upload",
      "rdf_format": null,
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "",
          "title": "RDF preview",
          "view_type": "rdf",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": true,
          "config": {
            "mode": "rdf-preview"
          }
        },
        {
          "id": "",
          "title": "Download",
          "view_type": "download",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": true,
          "config": {}
        },
        {
          "id": "",
          "title": "Create Mapping",
          "view_type": "mapping",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {
            "workflow": "ontology-field-mapping"
          }
        },
        {
          "id": "",
          "title": "Query",
          "view_type": "sparql",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {
            "workflow": "guarded-sparql"
          }
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": true,
      "mapping_supported": true,
      "query_supported": true,
      "transform_provenance": {
        "was_derived_from": "https://dataportal.material-digital.de/dataset/iof-sieving",
        "harvested_from": "https://dataportal.material-digital.de/",
        "source_resource_id": "1a266617-e707-4506-be07-3f26c4295f23"
      },
      "id": "resource_676a460732d7bbc1",
      "dataset_slug": "iof-sieving",
      "created_at": "2026-06-14T01:24:34.209828Z",
      "updated_at": "2026-06-14T01:24:34.209828Z"
    },
    {
      "title": "sievedistribution-ammd-metadata.jsonld",
      "filename": "sievedistribution-ammd-metadata.jsonld",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "application/ld+json",
      "format": "json-ld",
      "checksum_sha256": "",
      "size_bytes": 10048,
      "source_uri": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/c694a4b3-5399-4d5a-b1b3-ddbd5401da9e/download/sievedistribution-ammd-metadata.jsonld",
      "download_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/c694a4b3-5399-4d5a-b1b3-ddbd5401da9e/download/sievedistribution-ammd-metadata.jsonld",
      "access_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/c694a4b3-5399-4d5a-b1b3-ddbd5401da9e/download/sievedistribution-ammd-metadata.jsonld",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/iof-sieving/resource_6296d2ee7c075249",
      "url_type": "upload",
      "rdf_format": null,
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "",
          "title": "RDF preview",
          "view_type": "rdf",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": true,
          "config": {
            "mode": "rdf-preview"
          }
        },
        {
          "id": "",
          "title": "Download",
          "view_type": "download",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": true,
          "config": {}
        },
        {
          "id": "",
          "title": "Create Mapping",
          "view_type": "mapping",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {
            "workflow": "ontology-field-mapping"
          }
        },
        {
          "id": "",
          "title": "Query",
          "view_type": "sparql",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {
            "workflow": "guarded-sparql"
          }
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": true,
      "mapping_supported": true,
      "query_supported": true,
      "transform_provenance": {
        "was_derived_from": "https://dataportal.material-digital.de/dataset/iof-sieving",
        "harvested_from": "https://dataportal.material-digital.de/",
        "source_resource_id": "c694a4b3-5399-4d5a-b1b3-ddbd5401da9e"
      },
      "id": "resource_6296d2ee7c075249",
      "dataset_slug": "iof-sieving",
      "created_at": "2026-06-14T01:24:34.222063Z",
      "updated_at": "2026-06-14T01:24:34.222063Z"
    },
    {
      "title": "sievedistribution-ammd.ttl",
      "filename": "sievedistribution-ammd.ttl",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "text/turtle",
      "format": "text/turtle; charset=utf-8",
      "checksum_sha256": "",
      "size_bytes": 411227,
      "source_uri": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/37ba4176-f1cb-4aab-bf69-9e387695948d/download/sievedistribution-ammd.ttl",
      "download_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/37ba4176-f1cb-4aab-bf69-9e387695948d/download/sievedistribution-ammd.ttl",
      "access_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/37ba4176-f1cb-4aab-bf69-9e387695948d/download/sievedistribution-ammd.ttl",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/iof-sieving/resource_9992c9e5fc1e9352",
      "url_type": "upload",
      "rdf_format": null,
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "",
          "title": "RDF preview",
          "view_type": "rdf",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": true,
          "config": {
            "mode": "rdf-preview"
          }
        },
        {
          "id": "",
          "title": "Download",
          "view_type": "download",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": true,
          "config": {}
        },
        {
          "id": "",
          "title": "Create Mapping",
          "view_type": "mapping",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {
            "workflow": "ontology-field-mapping"
          }
        },
        {
          "id": "",
          "title": "Query",
          "view_type": "sparql",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {
            "workflow": "guarded-sparql"
          }
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": true,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {
        "was_derived_from": "https://dataportal.material-digital.de/dataset/iof-sieving",
        "harvested_from": "https://dataportal.material-digital.de/",
        "source_resource_id": "37ba4176-f1cb-4aab-bf69-9e387695948d"
      },
      "id": "resource_9992c9e5fc1e9352",
      "dataset_slug": "iof-sieving",
      "created_at": "2026-06-14T01:24:34.234828Z",
      "updated_at": "2026-06-14T01:24:34.234828Z"
    },
    {
      "title": "sievedistribution-ammd-joined.ttl",
      "filename": "sievedistribution-ammd-joined.ttl",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "text/turtle",
      "format": "text/turtle; charset=utf-8",
      "checksum_sha256": "",
      "size_bytes": 2505,
      "source_uri": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/d3eff9da-5cba-4447-b5a7-bf37052f1a00/download/sievedistribution-ammd-joined.ttl",
      "download_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/d3eff9da-5cba-4447-b5a7-bf37052f1a00/download/sievedistribution-ammd-joined.ttl",
      "access_url": "https://dataportal.material-digital.de/dataset/b0400b4d-1589-41a3-8603-1186055fcd13/resource/d3eff9da-5cba-4447-b5a7-bf37052f1a00/download/sievedistribution-ammd-joined.ttl",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/iof-sieving/resource_bf0e54953eb37c9e",
      "url_type": "upload",
      "rdf_format": null,
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "",
          "title": "RDF preview",
          "view_type": "rdf",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": true,
          "config": {
            "mode": "rdf-preview"
          }
        },
        {
          "id": "",
          "title": "Download",
          "view_type": "download",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": true,
          "config": {}
        },
        {
          "id": "",
          "title": "Create Mapping",
          "view_type": "mapping",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {
            "workflow": "ontology-field-mapping"
          }
        },
        {
          "id": "",
          "title": "Query",
          "view_type": "sparql",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {
            "workflow": "guarded-sparql"
          }
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": true,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {
        "was_derived_from": "https://dataportal.material-digital.de/dataset/iof-sieving",
        "harvested_from": "https://dataportal.material-digital.de/",
        "source_resource_id": "d3eff9da-5cba-4447-b5a7-bf37052f1a00"
      },
      "id": "resource_bf0e54953eb37c9e",
      "dataset_slug": "iof-sieving",
      "created_at": "2026-06-14T01:24:34.247599Z",
      "updated_at": "2026-06-14T01:24:34.247599Z"
    },
    {
      "title": "sievedistribution-ammd.ttl",
      "filename": "sievedistribution-ammd.ttl",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "text/turtle",
      "format": "turtle",
      "checksum_sha256": "855ab460a24a1c97c875f6ce4c76034689ac6f467917cf3422cdebaf27971580",
      "size_bytes": 408012,
      "source_uri": "/data/datagraph/state/uploads/iof-sieving/graph_39081fa11eb12243/graph_39081fa11eb12243-sievedistribution-ammd.ttl",
      "download_url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_4990ed6ec884e763.ttl",
      "access_url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_4990ed6ec884e763.ttl",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/iof-sieving/resource_4990ed6ec884e763",
      "url_type": "upload",
      "rdf_format": "turtle",
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "resource_4990ed6ec884e763-rdf",
          "title": "RDF graph",
          "view_type": "rdf",
          "url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_4990ed6ec884e763.ttl",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        },
        {
          "id": "resource_4990ed6ec884e763-sparql",
          "title": "SPARQL",
          "view_type": "sparql",
          "url": "/datasets/iof-sieving/sparql",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": true,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {
        "was_generated_by": "native-rdf-ingest",
        "graph_id": "graph_39081fa11eb12243"
      },
      "id": "resource_4990ed6ec884e763",
      "dataset_slug": "iof-sieving",
      "created_at": "2026-06-14T01:28:47.463643Z",
      "updated_at": "2026-06-14T01:28:47.463645Z"
    },
    {
      "title": "merged.ttl",
      "filename": "merged.ttl",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "text/turtle",
      "format": "turtle",
      "checksum_sha256": "767e42440b33b93f55ca9d5e6a7e581c4904841e09ce20cebd3c7dfb7e378bc9",
      "size_bytes": 950423,
      "source_uri": "/data/datagraph/state/uploads/iof-sieving/graph_320018693d6baac3/graph_320018693d6baac3-merged.ttl",
      "download_url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_5a12db939e2974a7.ttl",
      "access_url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_5a12db939e2974a7.ttl",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/iof-sieving/resource_5a12db939e2974a7",
      "url_type": "upload",
      "rdf_format": "turtle",
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "resource_5a12db939e2974a7-rdf",
          "title": "RDF graph",
          "view_type": "rdf",
          "url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_5a12db939e2974a7.ttl",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        },
        {
          "id": "resource_5a12db939e2974a7-sparql",
          "title": "SPARQL",
          "view_type": "sparql",
          "url": "/datasets/iof-sieving/sparql",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": true,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {
        "was_generated_by": "native-rdf-ingest",
        "graph_id": "graph_320018693d6baac3"
      },
      "id": "resource_5a12db939e2974a7",
      "dataset_slug": "iof-sieving",
      "created_at": "2026-06-14T01:28:58.927475Z",
      "updated_at": "2026-06-14T01:28:58.927478Z"
    },
    {
      "title": "sievedistribution-ammd-metadata.jsonld",
      "filename": "sievedistribution-ammd-metadata.jsonld",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "application/ld+json",
      "format": "json-ld",
      "checksum_sha256": "3ffc37a56690d01e36ef2ec701e2e0628a5d0f7b4e9a565493e34271f8d54582",
      "size_bytes": 10048,
      "source_uri": "/data/datagraph/state/uploads/iof-sieving/graph_02e37d04f2cb3daf/graph_02e37d04f2cb3daf-sievedistribution-ammd-metadata.jsonld",
      "download_url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_f173bad64d72eb0a.ttl",
      "access_url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_f173bad64d72eb0a.ttl",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/iof-sieving/resource_f173bad64d72eb0a",
      "url_type": "upload",
      "rdf_format": "json-ld",
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "resource_f173bad64d72eb0a-rdf",
          "title": "RDF graph",
          "view_type": "rdf",
          "url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_f173bad64d72eb0a.ttl",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        },
        {
          "id": "resource_f173bad64d72eb0a-sparql",
          "title": "SPARQL",
          "view_type": "sparql",
          "url": "/datasets/iof-sieving/sparql",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": true,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {
        "was_generated_by": "native-rdf-ingest",
        "graph_id": "graph_02e37d04f2cb3daf"
      },
      "id": "resource_f173bad64d72eb0a",
      "dataset_slug": "iof-sieving",
      "created_at": "2026-06-14T01:29:11.572154Z",
      "updated_at": "2026-06-14T01:29:11.572157Z"
    },
    {
      "title": "sievedistribution-ammd.ttl",
      "filename": "sievedistribution-ammd.ttl",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "text/turtle",
      "format": "turtle",
      "checksum_sha256": "14cf250ed29401f5a83fef44abd901bb6dc8bedfa5d4a5cdcb1d5cc822009baf",
      "size_bytes": 411225,
      "source_uri": "/data/datagraph/state/uploads/iof-sieving/graph_221124e491db8b89/graph_221124e491db8b89-sievedistribution-ammd.ttl",
      "download_url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_a9158c37be98db71.ttl",
      "access_url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_a9158c37be98db71.ttl",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/iof-sieving/resource_a9158c37be98db71",
      "url_type": "upload",
      "rdf_format": "turtle",
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "resource_a9158c37be98db71-rdf",
          "title": "RDF graph",
          "view_type": "rdf",
          "url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_a9158c37be98db71.ttl",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        },
        {
          "id": "resource_a9158c37be98db71-sparql",
          "title": "SPARQL",
          "view_type": "sparql",
          "url": "/datasets/iof-sieving/sparql",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": true,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {
        "was_generated_by": "native-rdf-ingest",
        "graph_id": "graph_221124e491db8b89"
      },
      "id": "resource_a9158c37be98db71",
      "dataset_slug": "iof-sieving",
      "created_at": "2026-06-14T01:29:24.328409Z",
      "updated_at": "2026-06-14T01:29:24.328413Z"
    },
    {
      "title": "sievedistribution-ammd-joined.ttl",
      "filename": "sievedistribution-ammd-joined.ttl",
      "description": "",
      "visibility": "public",
      "status": "published",
      "media_type": "text/turtle",
      "format": "turtle",
      "checksum_sha256": "9f8c8c5cf0656c4a7d9f8ff1285dd4e3436c82be9f13175bddd9d63725fa77f6",
      "size_bytes": 2503,
      "source_uri": "/data/datagraph/state/uploads/iof-sieving/graph_a85b2007067ab396/graph_a85b2007067ab396-sievedistribution-ammd-joined.ttl",
      "download_url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_3b8709b7b7cc7d75.ttl",
      "access_url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_3b8709b7b7cc7d75.ttl",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/iof-sieving/resource_3b8709b7b7cc7d75",
      "url_type": "upload",
      "rdf_format": "turtle",
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "resource_3b8709b7b7cc7d75-rdf",
          "title": "RDF graph",
          "view_type": "rdf",
          "url": "https://datagraph.stage.matportal.org/data/distribution/iof-sieving/resource_3b8709b7b7cc7d75.ttl",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        },
        {
          "id": "resource_3b8709b7b7cc7d75-sparql",
          "title": "SPARQL",
          "view_type": "sparql",
          "url": "/datasets/iof-sieving/sparql",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": true,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {
        "was_generated_by": "native-rdf-ingest",
        "graph_id": "graph_a85b2007067ab396"
      },
      "id": "resource_3b8709b7b7cc7d75",
      "dataset_slug": "iof-sieving",
      "created_at": "2026-06-14T01:29:36.682012Z",
      "updated_at": "2026-06-14T01:29:36.682016Z"
    }
  ],
  "graph_ids": [
    "graph_02e37d04f2cb3daf",
    "graph_221124e491db8b89",
    "graph_320018693d6baac3",
    "graph_39081fa11eb12243",
    "graph_a85b2007067ab396"
  ],
  "entity_count": 5827,
  "follower_count": 0,
  "contact_points": [
    {
      "name": "[{\"email\": \"\", \"identifier\": \"\", \"name\": \"\", \"uri\": \"\", \"url\": \"\"}]",
      "email": "",
      "uri": "",
      "identifier": "",
      "url": ""
    }
  ],
  "publisher": "PMD",
  "homepage": "https://dataportal.material-digital.de/dataset/iof-sieving",
  "landing_page": "https://dataportal.material-digital.de/dataset/iof-sieving",
  "release_date": "2025-11-20T11:08:10.765251",
  "modification_date": "2026-03-19T08:58:20.035545",
  "version": "",
  "version_notes": "",
  "identifier": "b0400b4d-1589-41a3-8603-1186055fcd13",
  "frequency": "",
  "provenance": "Harvested from Platform MaterialDigital CKAN Action API without credentials. ",
  "dataset_type": "dataset",
  "temporal_coverage": [],
  "temporal_resolution": "",
  "spatial_coverage": [],
  "spatial_resolution_meters": null,
  "access_rights": "",
  "other_identifiers": [],
  "theme": [],
  "language": [],
  "documentation": [
    "https://dataportal.material-digital.de/dataset/iof-sieving"
  ],
  "conforms_to": [],
  "is_referenced_by": [],
  "applicable_legislation": [],
  "has_version": [],
  "qualified_relations": [],
  "citation": "",
  "activity": [
    {
      "at": "2026-06-14T01:24:34.163316+00:00",
      "event": "dataset_created",
      "actor": "admin",
      "note": "Dataset registered in native DataGraph"
    },
    {
      "at": "2026-06-14T01:24:34.168192+00:00",
      "event": "dataset_imported",
      "actor": "admin",
      "note": "Imported/updated from Platform MaterialDigital CKAN API."
    },
    {
      "at": "2026-06-14T01:24:34.174286+00:00",
      "event": "resource_added",
      "actor": "admin",
      "resource_id": "resource_4c70b13203d5cfb0",
      "note": "sieveDistribution-AMMD.csv"
    },
    {
      "at": "2026-06-14T01:24:34.186199+00:00",
      "event": "resource_added",
      "actor": "admin",
      "resource_id": "resource_9992c9e5fc1e9352",
      "note": "sievedistribution-ammd.ttl"
    },
    {
      "at": "2026-06-14T01:24:34.197866+00:00",
      "event": "resource_added",
      "actor": "admin",
      "resource_id": "resource_add47efd23716c4e",
      "note": "SPARQL"
    },
    {
      "at": "2026-06-14T01:24:34.209828+00:00",
      "event": "resource_added",
      "actor": "admin",
      "resource_id": "resource_676a460732d7bbc1",
      "note": "merged.ttl"
    },
    {
      "at": "2026-06-14T01:24:34.222063+00:00",
      "event": "resource_added",
      "actor": "admin",
      "resource_id": "resource_6296d2ee7c075249",
      "note": "sievedistribution-ammd-metadata.jsonld"
    },
    {
      "at": "2026-06-14T01:24:34.234828+00:00",
      "event": "resource_added",
      "actor": "admin",
      "resource_id": "resource_9992c9e5fc1e9352",
      "note": "sievedistribution-ammd.ttl"
    },
    {
      "at": "2026-06-14T01:24:34.247599+00:00",
      "event": "resource_added",
      "actor": "admin",
      "resource_id": "resource_bf0e54953eb37c9e",
      "note": "sievedistribution-ammd-joined.ttl"
    }
  ],
  "metadata": {
    "publisher": "",
    "published_by": "admin",
    "contact_points": [],
    "homepage": "",
    "landing_page": "",
    "release_date": "",
    "modification_date": "",
    "version": "",
    "version_notes": "",
    "identifier": "",
    "frequency": "",
    "provenance": "",
    "type": "",
    "temporal_coverage": "",
    "temporal_resolution": "",
    "spatial_coverage": "",
    "spatial_resolution_meters": "",
    "access_rights": "",
    "language": [],
    "documentation": [],
    "conforms_to": [],
    "is_referenced_by": [],
    "applicable_legislation": [],
    "has_version": [],
    "qualified_relation": [],
    "qualified_attribution": [],
    "extras": {}
  },
  "created_at": "2026-06-14T01:24:34.163316Z",
  "updated_at": "2026-06-14T01:29:39.476108Z"
}