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| Field name | RDF property | Expected Value / Range | Definition | Cardinality | Data Quality Notes |
|---|---|---|---|---|---|
| Type | rdf:type | Class | Type of resource. Always both schema:CreativeWork and bf:Work. May also have the more specific types schema:CreativeWorkSeries and schema:Periodical (see below). | 2..* | |
| Title | schema:name | Literal | Title of work | 1..* | |
| Subject | schema:about | skos:Concept, Work, Person, Organization or Literal | Subject matter of the work | 0..* | Both YSA and YSO concepts are used whenever possible. Literal values are used in cases where no entity was found matching the label. |
| Has instance | schema:workExample | Instance | Example/instance/realization/derivation of the concept of this work. eg. The paperback edition, first edition, or eBook. | 0..* | |
| Language | schema:inLanguage | Literal (language code) | Language of the work, expressed as a language code following BCP 47 rules (i.e. ISO 639-1 or 639-3 code) | 0..* | Needs cleanup. There are a few bad values such as numeric values |
| Author | schema:author | Person or Organization | The main author of this work | 0..1 | |
| Contributor | schema:contributor | Person or Organization | A secondary contributor to the work | 0..* | |
| Content type | rdau:P60049 | skos:Concept from RDA Content Type vocabulary | 0..1 | Should generally be available for most Works, but in practice, missing for some of them. | |
| Is part of (series) | schema:isPartOf | Series | The series which this work is a part of. | 0..* | |
| Is translation of | schema:translationOfWork | Work | The work that this work has been translated from. Inverse of "Has translation" | 0..* | |
| Has translation | schema:workTranslation | Work | A work that is a translation of the content of this work. Inverse of "Is translation of" | 0..* |
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