Datensatz

Crystallography Open Database

Open-access collection of crystal structures of organic, inorganic, metal-organic compounds and minerals, excluding biopolymers. Serving as a canonical crystal-structure backbone for CIF-centric linking and cross-dataset structure identity.

Reiner Metadateneintrag

Dieser Eintrag ist ein öffentlicher Katalogverweis: Er verweist auf eine externe Website oder ein Repository, aber in MatPortal wurden noch keine RDF-Graphen oder RDF-Ressourcen veröffentlicht. Durchsuchen Sie Datensätze mit RDF-Ressourcen, um RDF-Ressourcen, SPARQL- und GraphRAG-Funktionen zu erkunden.

Dataset identity

Stable URI
https://data.stage.matportal.org/id/dataset/crystallography-open-database Open
Portal page
/datasets/crystallography-open-database Open
RDF Turtle
https://data.stage.matportal.org/data/dataset/crystallography-open-database.ttl Open
License
Public Domain / Open Access
Publisher
COD / crystallography.net
Published by
admin
Project
Not assigned
Version
latest
Identifier
http://www.crystallography.net/

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.

Use the browse page sorted by RDF resources to find public datasets with named graphs, entity pages, SPARQL starters, and GraphRAG evidence.

Files & access

3 file/access items

SVN Access

Subversion repository for Crystallography Open Database structures

Open file/access URL

Rsync Access

Rsync repository for Crystallography Open Database CIF files

Open file/access URL

Archive Page

HTTP archives page for Crystallography Open Database structures

Open file/access URL

File preview

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

Named graphs

Query this data

No public graph releases are available for this dataset yet.

RDF resources

Entity previews will appear after public graph indexing.

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

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 { ?s ?p ?o } LIMIT 100
Open in SPARQL workbench

Graph-aware Q&A readiness

  • Dataset Metadata
  • Distribution
  • Distribution
  • Distribution

Datenqualität und Bereitschaft

Bewertung
76%
Reifegrad
Bereit zur Prüfung
Veröffentlichungsgrenze
Öffentliche Ausgaben werden ausschließlich aus geprüften öffentlichen Metadaten zu Datensätzen, Ressourcen und Graphen abgeleitet.

Prüfungen und Empfehlungen

  • Vollständigkeit der Kernmetadaten
  • Persistenter Identifikator und Zitierfähigkeit
  • Verfügbarkeit der Lizenz
  • Datei-, Dienst- oder Zugriffslinks
  • Ontologie- und Linked-Data-Kontext
  • Validierung von Einheiten und Größenarten
  • Governance- und Prüfstatus

FAIR-Bewertung des Datensatzes

FAIR-Gesamtbewertung
69%
Bewertungsabdeckung
93% (Teilweise)
Bewertungen nach Prinzip
  • F: 88%
  • A: 100%
  • I: 33%
  • R: 63%
Profil / Version
matportal-dataset-fair-v1 (v1.0.0)
Quellrevision
1784684835490005234-132416932
Quelle aktualisiert am
2026-07-21T17:40:09.889510Z

Details der FAIR-Kriterien

TEILWEISE [F1] Unique and Persistent Identifier

Begründung: Identifier is defined but uses a non-persistent URL structure.

Nachweise:

  • Non-persistent URI identifier detected

Fehlend / benötigt:

  • Standard DOI, persistent URN, or persistent URL

Bewertung: 50%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: identifier, other_identifiers)

BESTANDEN [F2] Umfangreiche beschreibende Metadaten

Begründung: Alle zentralen beschreibenden Metadatenfelder sind ausgefüllt.

Nachweise:

  • Title field is populated
  • Description field is populated
  • Creators field has entries
  • Publisher or Organization is populated

Bewertung: 100%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: title, description, creators, publisher, organization)

BESTANDEN [F3] Metadata Identifier Linkage

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

Nachweise:

  • Identifier matches and links described data distributions

Bewertung: 100%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: identifier, distributions)

BESTANDEN [F4] Indexierung in einem durchsuchbaren Katalog

Begründung: Der Datensatz ist im öffentlich durchsuchbaren Katalog registriert.

Nachweise:

  • Dataset visibility is public and status is published

Bewertung: 100%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: visibility, status)

BESTANDEN [A1] Abrufprotokoll

Begründung: Für den Abruf über Standardprotokolle sind Distributionen definiert.

Nachweise:

  • Data distributions list is populated

Bewertung: 100%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: distributions)

BESTANDEN [A1.1] Offenes Kommunikationsprotokoll

Begründung: Alle Zugriffswege der Distributionen verwenden offene Standardprotokolle.

Nachweise:

  • All distribution URLs use open protocols (HTTP/HTTPS/FTP)

Bewertung: 100%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: distributions)

NICHT ANWENDBAR [A1.2] Authorization Protocol Metadata

Begründung: This criterion is not applicable for open public resources.

Dieses Kriterium ist nicht anwendbar.

Nachweise:

  • Dataset access rights are declared as open or public

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: access_rights, distributions)

NICHT VERFÜGBAR [A2] Richtlinie zur dauerhaften Metadaten-Aufbewahrung

Begründung: Die Richtlinie zur Metadaten-Aufbewahrung ist derzeit nicht verfügbar.

Nachweise:

  • Metadata tombstone policy is currently not registered on this platform

Fehlend / benötigt:

  • Explicit metadata-retention or tombstone policy evidence

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0

TEILWEISE [I1] Darstellung in einer formalen Wissenssprache

Begründung: Der Datensatz enthält nur Metadaten in maschinenlesbaren Standardformaten.

Nachweise:

  • Metadata is available in machine-readable JSON-LD/DCAT profiles

Fehlend / benötigt:

  • Materialized named graphs / RDF data files

Bewertung: 50%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: graph_ids, distributions)

NICHT BESTANDEN [I2] FAIR Vocabulary References

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

Fehlend / benötigt:

  • Ontology annotations
  • conforms_to standards references

Bewertung: 0%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: ontology_annotations, conforms_to)

TEILWEISE [I3] Qualified References and Relations

Begründung: Qualified relations or citations are partially populated.

Nachweise:

  • Other identifier or citation reference link exists

Fehlend / benötigt:

  • qualified_relations

Bewertung: 50%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: qualified_relations, other_identifiers, is_referenced_by)

BESTANDEN [R1] Vielfalt beschreibender Attribute

Begründung: Es sind ausreichend vielfältige Attribute vorhanden.

Nachweise:

  • Core descriptive attributes are populated
  • Author attribution fields are populated
  • Tags/keywords metadata is present

Bewertung: 100%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: title, description, creators, keywords, tags)

BESTANDEN [R1.1] Eindeutige Nutzungslizenz

Begründung: Eine gültige Datennutzungslizenz ist angegeben.

Nachweise:

  • Dataset license metadata is specified and is non-placeholder

Bewertung: 100%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: license)

TEILWEISE [R1.2] Detailed Provenance Metadata

Begründung: Provenance metadata is partially specified.

Nachweise:

  • Metadata provenance is populated

Fehlend / benötigt:

  • Distribution transform_provenance

Bewertung: 50%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: provenance, distributions)

NICHT BESTANDEN [R1.3] Domain Community Standards Conformance

Begründung: No standard conformances or term URIs are specified.

Fehlend / benötigt:

  • conforms_to
  • Data dictionary ontology term / unit URIs

Bewertung: 0%

Herkunft: Profil: matportal-dataset-fair-criterion-v1, v1.0.0 (Felder: conforms_to, distributions, ontology_annotations)

Einheitenprofil

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

Semantic dataset passport

Passport ID
crystallography-open-database
DCAT
https://datagraph.stage.matportal.org/id/dataset/crystallography-open-database
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/crystallography-open-database/mirror-package",
  "type": "matportal:SemanticMirrorPackage",
  "dataset": "https://datagraph.stage.matportal.org/datasets/crystallography-open-database",
  "dataset_slug": "crystallography-open-database",
  "generated_at": "2026-10-02T12:03:42.841404+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": 3,
    "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.

Raw public metadata

{
  "id": "dataset_ce7c94ead095cff9",
  "slug": "crystallography-open-database",
  "title": "Crystallography Open Database",
  "description": "Open-access collection of crystal structures of organic, inorganic, metal-organic compounds and minerals, excluding biopolymers. Serving as a canonical crystal-structure backbone for CIF-centric linking and cross-dataset structure identity.",
  "license": "Public Domain / Open Access",
  "creators": [
    "Crystallography Open Database (COD) Consortium"
  ],
  "organization": "Crystallography Open Database",
  "project": "",
  "slice": "",
  "published_by": "admin",
  "groups": [],
  "keywords": [
    "crystallography",
    "crystal structures",
    "diffraction",
    "CIF",
    "open access"
  ],
  "tags": [
    "crystallography",
    "crystal structures",
    "diffraction",
    "CIF",
    "open access"
  ],
  "visibility": "public",
  "status": "published",
  "ontology_annotations": [],
  "categories": [
    "Characterization & Testing",
    "Computational Materials Science"
  ],
  "distributions": [
    {
      "title": "SVN Access",
      "filename": "cod-svn",
      "description": "Subversion repository for Crystallography Open Database structures",
      "visibility": "public",
      "status": "published",
      "media_type": "application/octet-stream",
      "format": "CIF",
      "checksum_sha256": "",
      "size_bytes": 0,
      "source_uri": "https://datagraph.stage.matportal.org/id/distribution/crystallography-open-database/resource_17c86ff64172859d",
      "download_url": "https://datagraph.stage.matportal.org/data/distribution/crystallography-open-database/resource_17c86ff64172859d.ttl",
      "access_url": "",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/crystallography-open-database/resource_17c86ff64172859d",
      "url_type": "external",
      "rdf_format": null,
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "",
          "title": "Download",
          "view_type": "download",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": false,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {},
      "id": "resource_17c86ff64172859d",
      "dataset_slug": "crystallography-open-database",
      "created_at": "2026-07-21T17:40:09.889510Z",
      "updated_at": "2026-07-21T17:40:09.889510Z"
    },
    {
      "title": "Rsync Access",
      "filename": "cif-rsync",
      "description": "Rsync repository for Crystallography Open Database CIF files",
      "visibility": "public",
      "status": "published",
      "media_type": "application/octet-stream",
      "format": "CIF",
      "checksum_sha256": "",
      "size_bytes": 0,
      "source_uri": "https://datagraph.stage.matportal.org/id/distribution/crystallography-open-database/resource_3b1ef789861e4f3e",
      "download_url": "https://datagraph.stage.matportal.org/data/distribution/crystallography-open-database/resource_3b1ef789861e4f3e.ttl",
      "access_url": "",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/crystallography-open-database/resource_3b1ef789861e4f3e",
      "url_type": "external",
      "rdf_format": null,
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "",
          "title": "Download",
          "view_type": "download",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": false,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {},
      "id": "resource_3b1ef789861e4f3e",
      "dataset_slug": "crystallography-open-database",
      "created_at": "2026-07-21T17:40:09.889510Z",
      "updated_at": "2026-07-21T17:40:09.889510Z"
    },
    {
      "title": "Archive Page",
      "filename": "cif-archives",
      "description": "HTTP archives page for Crystallography Open Database structures",
      "visibility": "public",
      "status": "published",
      "media_type": "text/html",
      "format": "HTML",
      "checksum_sha256": "",
      "size_bytes": 0,
      "source_uri": "http://www.crystallography.net/archives/",
      "download_url": "http://www.crystallography.net/archives/",
      "access_url": "http://www.crystallography.net/archives/",
      "uri": "https://datagraph.stage.matportal.org/id/distribution/crystallography-open-database/resource_469d6d1453d896c3",
      "url_type": "external",
      "rdf_format": null,
      "ontology_annotations": [],
      "data_dictionary": [],
      "views": [
        {
          "id": "",
          "title": "Download",
          "view_type": "download",
          "url": "",
          "embed_url": "",
          "embeddable": false,
          "description": "",
          "default": false,
          "config": {}
        }
      ],
      "datastore_active": false,
      "datastore_enabled": false,
      "has_views": false,
      "mapping_supported": false,
      "query_supported": false,
      "transform_provenance": {},
      "id": "resource_469d6d1453d896c3",
      "dataset_slug": "crystallography-open-database",
      "created_at": "2026-07-21T17:40:09.889510Z",
      "updated_at": "2026-07-21T17:40:09.889510Z"
    }
  ],
  "graph_ids": [],
  "entity_count": 0,
  "follower_count": 0,
  "contact_points": [],
  "publisher": "COD / crystallography.net",
  "homepage": "http://www.crystallography.net/",
  "landing_page": "http://www.crystallography.net/",
  "release_date": "2026-07-21",
  "modification_date": "",
  "version": "latest",
  "version_notes": "",
  "identifier": "http://www.crystallography.net/",
  "frequency": "",
  "provenance": "Metadata imported for MatPortal. Data accessible via SVN, Rsync, and HTTP archives.",
  "dataset_type": "dataset",
  "temporal_coverage": [],
  "temporal_resolution": "",
  "spatial_coverage": [],
  "spatial_resolution_meters": null,
  "access_rights": "open-access",
  "other_identifiers": [
    "svn://www.crystallography.net/cod",
    "rsync://www.crystallography.net/cif"
  ],
  "theme": [],
  "language": [
    "en"
  ],
  "documentation": [
    "http://www.crystallography.net/"
  ],
  "conforms_to": [],
  "is_referenced_by": [],
  "applicable_legislation": [],
  "has_version": [],
  "qualified_relations": [],
  "citation": "Gražulis, S. et al. (2009). Crystallography Open Database: an open-access collection of crystal structures. Journal of Applied Crystallography, 42(4), 726-729.",
  "activity": [],
  "metadata": {
    "publisher": "",
    "published_by": "",
    "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": "2026-07-21T17:40:09.889510Z",
  "updated_at": "2026-07-21T17:40:09.889510Z"
}