Wikidata data validation
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Wikidata data must be validated.
Characteristics[edit]
- Items have unique and immutable keys
- Triplestore with statements (predicates) consisting of object-property-subject/value (entity relationship like in a relational database)
- Easily updateable
- Never 100% complete nor correct (eventual consistent)
- Multilingual:
- Labels, Descriptions, and Aliases are language sensitive
- Properties are described like items (Property namespace)
- New properties can be defined (by developers, upon user request)
Tips[edit]
- Items must be unique
- Unique Label - Description combination (homonym distinction)
- Description must be different from Label
- Label can not be repeated in Alias
- Items must have an instance or a class
- Notability:
- Item could be created because a Wikipedia page exists
- notoriety
- Item is required to describe another item
- Labels in lowercase (nouns) or initial capital (proper names) -- German is an exception
- Add sources to statements (more information, proof of validity)
- Use (P6104) (maintained by WikiProject) to identify related items
- Can be used by ListeriaBot to build Wikipedia edit-a-thon and project tables
Techniques[edit]
- Constraints:
- additional classes might be added
- reciproque property
- reverse property
- Missing language labels
- Homonym dedection and (P1889) registration