[1] [CITE[XRI Resolution 2.0]]
([TIME[2008-03-11 07:46:14 +09:00]] 版)
<http://docs.oasis-open.org/xri/2.0/specs/xri-resolution-V2.0.html>

[2] [CITE@en[RFC 2169 - A Trivial Convention for using HTTP in URN Resolution]]
([TIME[2017-04-24 00:22:00 +09:00]])
<https://tools.ietf.org/html/rfc2169#page-7>

[3] [CITE@en[RFC 2483 - URI Resolution Services Necessary for URN Resolution]]
([TIME[2017-04-16 16:20:23 +09:00]])
<https://tools.ietf.org/html/rfc2483#section-5>