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Entity UDI

Revision as of 22:36, 14 February 2008 by Paul.socialphysics.org (Talk | contribs) (See Also)

Introduction

This page defines a Higgins NodeIdDataRange.

Definition

ABNF

The following ABNF defines the syntax of a Higgins NodeIdDataRange. Rules not defined in this ABNF are defined in either:

NodeIdDataRange    = AbsoluteNodeId / RelativeNodeId
AbsoluteNodeId     = AbsoluteNodeURI / AbsoluteNodeXRI
AbsoluteNodeURI    = ContextURI [ "#" ifragment ]
AbsoluteNodeXRI    = ContextXRI [ "//" xri-segment ]
RelativeNodeId     = ifragment / xri-segment

Notes

  • In an AbsoluteNodeId, a RelativeNodeId is optional when the Context identified by the ContextURI or ContextXRI contains exactly one Node.
  • The AbsoluteNodeURI form is consistent with one of the two proposed forms of Cool URIs defined by the W3C.
  • The AbsoluteNodeXRI form is an XRI as defined by XRI Syntax 2.0.
  • See Context Discovery for rules defining resolution of an instance of a NodeIdDataRange.

Relationship to OpenID

Examples

AbsoluteNodeURIs

Filenames

file://system/config/openid.xrds#pault
file://system/config/openid.xdi#pault
file://system/config/ldap.xrds#pault
file://system/config/ldap.xdi#pault

URLs

http://example.com#49387
https://example.com#49387
http://example.com/higgins/openid.xrds#49387
https://example.com/higgins/openid.xdi#49387
http://example.com/higgins/ldap.xrds#49387
https://example.com/higgins/ldap.xdi#49387

AbsoluteNodeXRIs

XRI 2.0 Form

=drummond/($context)*($openid)//=drummond
=drummond/($context)*($ldap)//dreed
=!F83.62B1.44F.2813/($context)*($openid)//=drummond
=!F83.62B1.44F.2813/($context)*($ldap)//dreed
=drummond*mom/($context)*($openid)//spr
=drummond*mom/($context)*($ldap)//spreed
@example/($context)//Example%20Corp
@example/($context)*($openid)//@!2C75.AC49.21D3.1207
@example/($context)*($ldap)//corp
@free*example/($context)*($openid)//example
@free*example/($context)*($ldap)//example

Proposed XRI 3.0 Form

=drummond/$context$openid//=drummond
=drummond/$context$ldap//dreed
=!F83.62B1.44F.2813/$context$openid//=drummond
=!F83.62B1.44F.2813/$context$ldap//dreed
=drummond*mom/$context$openid//spr
=drummond*mom/$context$ldap//spreed
@example/$context//Example%20Corp
@example/$context$openid//@!2C75.AC49.21D3.1207
@example/$context$ldap//corp
@free*example/$context*$openid//example
@free*example/$context$ldap//example

HXRIs

A HXRI ("HTTP XRI") is an XRI that uses an HXRI proxy resolver prefix. "xri.net" is a public HXRI proxy resolver operated by XDI.org. All others are examples.

XRI 2.0 Form

https://xri.net/=drummond/($context)*($openid)//=drummond
https://xri.net/=drummond*mom/($context)*($openid)//spr
http://xri.example.com/@example/($context)*($openid)//@example
http://xri.example.com/@free*example/($context)*($openid)//example
https://xri.example.org/@1000.a1b2.c3d4.9999!1234/($context)*($ldap)//example

Proposed XRI 3.0 Form

https://xri.net/=drummond/$context$openid/=drummond
https://xri.net/=drummond*mom/$context$openid//spr
http://xri.example.com/@example/$context$openid//@example
http://xri.example.com/@example*free/$context$openid//example
https://xri.example.org/@1000.a1b2.c3d4.9999!1234/$context$ldap//example


See Also

Links

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