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-databaseOpen - Portal page
-
/datasets/crystallography-open-databaseOpen - RDF Turtle
-
https://data.stage.matportal.org/data/dataset/crystallography-open-database.ttlOpen - 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.
Related ontologies and catalogue context
Files & access
3 file/access itemsSVN Access
Subversion repository for Crystallography Open Database structures
Rsync Access
Rsync repository for Crystallography Open Database CIF files
Archive Page
HTTP archives page for Crystallography Open Database structures
File preview
Preview metadata is available, but no preview rows were returned.
Named graphs
Query this dataNo 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.
Machine access
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"
}