The National Bibliography Number (NBN), is a URN-based publication identifier system employed by a variety of national libraries such as those of Germany, the Netherlands and Switzerland. They are used to identify documents archived in national libraries, in their native format or language, and are typically used for documents which do not have a publisher-assigned identifier.

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Pattern for Local Unique Identifiers

Local identifiers in National Bibliography Number should match this regular expression:

Example Local Unique Identifier
urn:nbn:fi:tkk-004781   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from National Bibliography Number should match this regular expression:

Example CURIE
Metaregistry National Bibliography Number

The metaregistry provides mappings between the Bioregistry and other registries. There are 3 mappings to external registries for nbn with 1 unique external prefixes.

Registry Name Registry Metaprefix External Prefix Curate
BioContext biocontext NBN logo miriam nbn
Name-to-Thing Name-to-Thing logo n2t nbn

Providers are various services that resolve CURIEs to URLs. The example CURIE nbn:urn:nbn:fi:tkk-004781 is used to demonstrate the provides available for nbn. Generation of OLS and BioPortal URLs requires additional programmatic logic beyond string formatting.

Name Metaprefix URI
National Bibliography Number nbn
Bioregistry bioregistry miriam
Name-to-Thing n2t