Extensible Resource Identifier
XRI stands for Extensible Resource Identifier, an open standard protocol for digital identity addressing developed by the Organization for the Advancement of Structured Information Standards), a not-for-profit consortium engaged in developing interoperability protocols for security, Cloud Computing, SOA, Web services, the Smart Grid, electronic publishing, emergency management, etc.[1] The characteristics of the XRI is the same as the Uniform Resource Identifiers (URIs)], which provides a simple and extensible way for identifying a resource.However, an XRI is capable of including characters beyond what is used by the generic URI and incorporates the simplification and enhancements of the URI syntax. [2]
XRI Syntax[edit | edit source]
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). A generic URI Syntax can be change to XRI syntax in six different ways such as:[3]