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URI and Digital Object Unique Identifier |
Mao Jun Zhang Xiaolin Marcia Lei Zeng Li Guangjian Liu Wei |
(Research Group of CSDL Open Description Project, Beijing 100080,China) |
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Abstract As the infrastructure of digital library, digital object unique identifier is responsible for identifying, locating and managing of digital objects. This article discusses the types, component and principle of unique identifier, and analysis the demand of unique identifier from the logics,namespace,complexity,integratity and interoperability. Next ,the difference and relation have been compared among URI,URL and URN. Those syntax and identifying framework are also introduced. At last Cool URL is discussed in detail.
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Received: 04 September 2002
Published: 25 April 2003
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Corresponding Authors:
Mao Jun,Zhang Xiaolin,Marcia LeiZeng,LiGuangjian,Liu Wei
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About author:: Mao Jun,Zhang Xiaolin,Marcia LeiZeng,LiGuangjian,Liu Wei |
[1] 张晓林.数字对象唯一标识符技术.现代图书情报技术,2001,(3)
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[7] The International ISBN Agency. July 9, 2002 http://www.isbn.spk-berlin.de/
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[13] Berners-Lee, T., Fielding, R. and L. Masinter, "Uniform Resource Identifiers (URI): Generic Syntax", RFC 2396, August 1998. http://www.ietf.org/rfc/rfc2396.txt
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[16] Moats, R., "URN Syntax", RFC 2141, November 1998. http://www.ietf.org/rfc/rfc2141.txt
[17] Uniform Resource Identifier (URI) SCHEMES, July 3, 2002. http://www.iana.org/assignments/uri-schemes
[18] Berners-Lee, T. Cool URIs don't change. 1998. http://www.w3.org/Provider/Style/URI.html
[19] Kelly, B. Guidelines For URI Naming Policies, Ariadne Issue 31; March 24, 2002. http://www.ariadne.ac.uk/issue31/web-watch/
[20] W3C URI Persistence Policy, 1999 http://www.w3/org/Consortium/Persistence
[21] SWAG URI Persistence Policy, March 4, 2002 http://swag.webns.net/persistence《现代图书情报技术》2003年第1期网络资源与建设总第98期 |
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