Metax mapped to DCAT-AP (v2.x)
| Metadata Concept | Metax V3 JSON Path | DCAT Property | Use in DCAT | Notes |
|---|---|---|---|---|
| Identifier | persistent_identifier | dct:identifier | 🟠 Recommended | DOI/URN |
| Title | title.{lang} | dct:title | 🔴 Required | Language-tagged literal |
| Description | description.{lang} | dct:description | 🟠 Recommended | Language-tagged literal |
| Publisher | actors[roles=”publisher”]. person.name or organization.name.{lang} |
dct:publisher | 🔴 Required | Agent |
| Creator | actors[roles=”creator”]. person.name or organization.name.{lang} |
dct:creator | 🟠 Recommended | Agent |
| Rights Holder | actors[roles=”rights_holder”]. person.name or organization.name.{lang} |
dct:rightsHolder | 🟢 Optional | Agent |
| Curator | actors[roles=”curator”]. person.name or organization.name.{lang} |
dct:contributor | 🟢 Optional | Agent DCAT does not recognize Curator –> Map to Contributor |
| Contributor | actors[roles=”contributor”]. person.name or organization.name.{lang} |
dct:contributor | 🟢 Optional | Agent |
| Issued | issued | dct:issued | 🟠 Recommended | xsd:date |
| Access Rigts | access_rights.access_type.url | dct:accessRights | 🟠 Recommended | URI |
| License | access_rights.license[].url | dct:license | 🟠 Recommended | URI |
| Keyword | keyword[] | dcat:keyword | 🟠 Recommended | Literal |
| Field of Science | field_of_science[].url | dcat:theme (or dct:subject) | 🟢 Optional | URI |
| Language | language[].url | dct:language | 🟢 Optional | URI |
| Temporal Coverage | temporal[].start_date temporal[].end_date |
dct:temporal → dct:PeriodOfTime with time:hasBeginning / time:hasEnd | 🟢 Optional | PeriodOfTime |
| Spatial Coverage | ||||
| Spatial Name | spatial[].geographic_name | dct:spatial → (Location node) → rdfs:label or skos:prefLabel | 🟢 Optional | Location |
| Spatial Geometry | spatial[].custom_wkt[] | dct:spatial → (Location node) → locn:geometry (datatype gsp:wktLiteral) | 🟢 Optional | WKT |
| Related Material (other datasets, publications, …) | ||||
| Relation | relation[].entity.entity_identifier | dcat:qualifiedRelation → dcat:Relationship → dct:relation | 🟢 Optional | Qualified relation |
| Relation Type | relation[].relation_type.url | dcat:qualifiedRelation → dcat:Relationship → dcat:hadRole | 🟢 Optional | Relation type URI |
Distribution in DCAT
The above mapping describes the Dataset-level DCAT representation.
DCAT-AP 2.1.1 compliance additionally requires at least one dcat:Distribution.
| Metadata Concept | Metax V3 JSON Path | DCAT Property | Use in DCAT | Notes |
|---|---|---|---|---|
| For Datasets with Remote Resources | ||||
| Distribution URL | remote_resources[].access_url | dcat:accessURL | 🟠 Recommended | Distribution |
| Download URL | remote_resources[].download_url | dcat:downloadURL | 🟠 Recommended | Distribution |
| Distribution Title | remote_resources[].title.{lang} | dct:title | 🟢 Optional | Distribution |
| For Datasets with IDA Data | ||||
| Distribution URL | Use datasets resolvable PID | dcat:accessURL | 🟠 Recommended | Distribution |
| Datasets without data are not valid against DCAT-AP 2.1.1 Dataset requirements | ||||