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'''XRI''' stands for '''Extensible Resource Identifier,''' an open standard protocol for digital addressing developed by the [[Organization for the Advancement of Structured Information Standards]], a non-profit consortium engaged in developing interoperability protocols for security, Cloud Computing, SOA, Web services, the Smart Grid, electronic publishing, emergency management, etc.<ref>[http://www.oasis-open.org/standards www.oasis-open.org About]</ref>  

'''XRI''' stands for '''Extensible Resource Identifier,''' an open standard protocol for digital addressing developed by the [[Organization for the Advancement of Structured Information Standards]] (OASIS), a non-profit consortium engaged in developing interoperability protocols for security, Cloud Computing, SOA, Web services, the Smart Grid, electronic publishing, emergency management, etc.<ref>[http://www.oasis-open.org/standards www.oasis-open.org About]</ref>  

The XRI Syntax was developed based on RFC 3986 Uniform Resource Identifiers (URIs)], which provides a simple and extensible way for identifying a resource and RFC 3987 IRIs (Internationalized Resource Identifiers), a protocol with a sequence of characters from the Unicode/ISO 10646. XRI is capable of including characters beyond what is used by the generic [[URI]] and incorporates the simplification and enhancements of the URI syntax. <ref>[http://www.oasis-open.org/committees/download.php/5109/xri-syntax-resolution-1.0-cd.pdf Extensible Resource Identifier (XRI) Generic Syntax and Resolution Specification, Committee Draft, January 12, 2004]</ref>  The OASIS XRI Technical Committee explained that just like the generic URI, the XRI syntax, it has four optional components with the scheme name xri: For example: xri: authority  / path  ? query  # fragment. The HTTP URIs which uses the generic URI syntax can be changed to a valid XRI by simply changing an http URI to XRI just like this, '''xri://www.example.com/pages/index.html''' (standard HTTP URI converted to XRI).<ref>[http://www.oasis-open.org/committees/download.php/5109/xri-syntax-resolution-1.0-cd.pdf Generic Syntax]</ref>

The XRI Syntax was developed based on [[RFC]] 3986 on [[URI|Uniform Resource Identifier]]s (URIs), which provided a simple and extensible way for identifying a resource, and RFC 3987 on [[IRI]]s (Internationalized Resource Identifiers), a protocol with a sequence of characters from the Unicode/ISO 10646. XRI is capable of including characters beyond those used by the generic [[URI]] and incorporates the simplification and enhancements of the URI syntax.<ref>[http://www.oasis-open.org/committees/download.php/5109/xri-syntax-resolution-1.0-cd.pdf Extensible Resource Identifier (XRI) Generic Syntax and Resolution Specification, Committee Draft, January 12, 2004]</ref>  The OASIS XRI Technical Committee explained that just like the generic URI, the XRI syntax has four optional components with the scheme name xri: For example: xri: authority  / path  ? query  # fragment. The HTTP URIs, which use the generic URI syntax, can be changed to a valid XRI by simply changing an http URI to XRI just like this, '''xri://www.example.com/pages/index.html''' (standard HTTP URI converted to XRI).<ref>[http://www.oasis-open.org/committees/download.php/5109/xri-syntax-resolution-1.0-cd.pdf Generic Syntax]</ref>

==Key Features XRI Provides==

===Key Features XRI Provides===

* Structured Identifiers

* Structured Identifiers

* Robust Synonym Expression and Resolution

* Robust Synonym Expression and Resolution