World Library  
Flag as Inappropriate
Email this Article

Info URI scheme

Article Id: WHEBN0019336673
Reproduction Date:

Title: Info URI scheme  
Author: World Heritage Encyclopedia
Language: English
Subject: File URI scheme, Content reference identifier, Digital object identifier, View-source URI scheme, Rsync
Publisher: World Heritage Encyclopedia

Info URI scheme

In computer science, info: is a Uniform Resource Identifier (URI) scheme for information assets with identifiers in public namespaces that allows legacy namespaces such as Library of Congress Identifiers and Digital object identifiers to be represented as URIs. It acts as a bridging mechanism for older information identifiers to be used in the more generalised and standard URI allocation. [1]


Syntactical specifications

The URI specifications defined by the Internet Engineering Task Force (IETF) separates the info URI scheme’s syntax into two sections: part A, which contains syntactical elements specific to the info scheme, and part B, which follows standard URI definitions. The important info scheme‐specific Part A uses the following URI components:[2]
component name component value
info-URI info-scheme ":" info-identifier [ "#" fragment ]
info-scheme "info"
info-identifier namespace "/" identifier
namespace scheme
identifier *( pchar / "/" )

Other specifications

The info URI scheme supports hierarchical processing with a forward slash character ‘/’ (also commonly seen in Uniform Resource Locators), although the character should not be treated as a strict hierarchical delimiter. Its scheme-specific part is an auto-identifier, which is constructed by appending an “identifier” component to a “namespace” component separated by a forward slash.[2]

Namespace authority and the “info” registry

To handle info URI maintenance, the IETF established an “info” URI scheme [2]

Selected namespaces
Namespace Resource
info:arxiv/ arXiv identifiers
info:bibcode/ Astrophysics Data System bibcodes
info:ddbj-embl-genbank/ Sequence records in DDBJ/EMBL/GenBank
info:doi/ Digital Object Identifiers
info:fedora/ Fedora Digital Objects and Disseminations
info:inchi/ IUPAC International Chemical Identifier (InChI)
info:lanl-repo/ Identifiers used in the Repository of the LANL Research Library
info:lc/ Library of Congress Identifiers
info:lccn/ Library of Congress Control Numbers
info:ncid/ National Institute of Informatics NACSIS-CAT Identification Numbers
info:netref/ NISO Standard for Network Reference Services
info:nla/ National Library of Australia's digital & digitised collections
info:oclcnum/ OCLC Worldcat Control Numbers
info:ofi/ Registry Identifiers used by the NISO OpenURL Framework Registry
info:pmid/ PubMed records
info:rlgid/ Research Libraries Group Database Record identifiers
info:sici/ Serial Item and Contribution Identifiers
info:sid/ Source Identifiers used in the NISO OpenURL Framework
info:srw/ Search/Retrieve Web Service

See also


  1. ^ "The 'info' Scheme".  
  2. ^ a b c "The "info" URI Scheme for Information Assets with Identifiers in Public Namespaces".  

External links

  • About "INFO" URIs
  • Registry of namespaces
This article was sourced from Creative Commons Attribution-ShareAlike License; additional terms may apply. World Heritage Encyclopedia content is assembled from numerous content providers, Open Access Publishing, and in compliance with The Fair Access to Science and Technology Research Act (FASTR), Wikimedia Foundation, Inc., Public Library of Science, The Encyclopedia of Life, Open Book Publishers (OBP), PubMed, U.S. National Library of Medicine, National Center for Biotechnology Information, U.S. National Library of Medicine, National Institutes of Health (NIH), U.S. Department of Health & Human Services, and, which sources content from all federal, state, local, tribal, and territorial government publication portals (.gov, .mil, .edu). Funding for and content contributors is made possible from the U.S. Congress, E-Government Act of 2002.
Crowd sourced content that is contributed to World Heritage Encyclopedia is peer reviewed and edited by our editorial staff to ensure quality scholarly research articles.
By using this site, you agree to the Terms of Use and Privacy Policy. World Heritage Encyclopedia™ is a registered trademark of the World Public Library Association, a non-profit organization.

Copyright © World Library Foundation. All rights reserved. eBooks from Project Gutenberg are sponsored by the World Library Foundation,
a 501c(4) Member's Support Non-Profit Organization, and is NOT affiliated with any governmental agency or department.