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- Principles on Open Bibliographic Data
- 4-star classification-scheme for linked open cultural metadata
- Discovery Open Metadata Principles
- Open Bibliographic Data Guide
- T. Berners-Lee Fünf-Sterne-Schema für Linked Open Data
- Linked Open Data Star Scheme by Example
- Open Knowledge Definition
- Sebastopol-Prinzipien (Open Government Data) (PDF, S.3)
- Übersicht über Open-Data- Lizenzen
Gegenstand der Empfehlungen
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