National Diet Library Dublin Core Metadata Description (DC-NDL)
The NDL maintains a description metadata standard, "National Diet Library Dublin Core Metadata Description (DC-NDL)" for organizing, using and providing information resources on the internet.
National Diet Library Dublin Core Metadata Description (DC-NDL) ver. Dec. 2020
The DC-NDL is composed of the following three parts. The first part is "NDL Metadata Terms," a list of metadata terms described by the NDL. The second part is "Application Profile," specifying the usage of each component (properties, classes and encoding schemes) in the NDL's metadata with examples for describing each component in RDF/XML format. The third part is "RDF Schema," a "Resource Description Format (RDF)" version of "NDL metadata Terms".
- Part 1: NDL Metadata Terms (Japanese) (PDF: 1.4MB)
- Part 2: Application Profile (Japanese) (PDF: 1.6MB)
- Part 3: RDF Schema
- Appendix: DC-NDL vocabularies list (Japanese) (PDF: 295KB)
- List of revisions from the previous edition (Japanese) (PDF: 131KB)
※The format specifications of NDL services which implement DC-NDL for metadata schema are available at:
- NDL Search "DC-NDL (RDF)" (Japanese)
- Web NDL Authorities "4. Format specifications in RDF/XML format" (Japanese)
Implementation in the NDL services
Metadata description which NDL services implement:
| Name of Service | Metadata Description |
|---|---|
| NDL Search | DC-NDL ver. Dec. 2020 |
| NDL Great East Japan Earthquake Archive | DC-NDL ver. Dec. 2020 (NDL Great East Japan Earthquake Archive Metadata Schema is an extension of DC-NDL) |
| Web Archiving Project (WARP) | DC-NDL ver. Dec. 2020 |
| Web NDL Authorities | DC-NDL ver. Dec. 2020 (Applying NDL Metadata Terms partly) |
Contact for inquiries about National Diet Library Dublin Core Metadata Description (DC-NDL)
Standardization Section, Digital Information Distribution Division,
Digital Information Department, National Diet Library
To contact us, please complete the Inquiry Form available on our website. Select 'Others', begin your message with 'Regarding National Diet Library Dublin Core Metadata Description (DC-NDL),' and then provide the details of your inquiry.