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Re: URI coordination: blank URIs

From: pat hayes <phayes@ai.uwf.edu>
Date: Fri, 18 Apr 2003 11:40:51 -0500
Message-Id: <p05111b0cbac5d40d775f@[10.0.100.12]>
To: Graham Klyne <gk@ninebynine.org>
Cc: w3c-rdfcore-wg@w3.org

>This is for information, no action requested.
>
>First, the minutes of the URI BOF held at the last IETF meeting are at [1]:
>
>Also, there is an issue list [2]
>
>[1] http://lists.w3.org/Archives/Public/uri/2003Mar/0043.html
>
>[2] http://www.apache.org/~fielding/uri/rev-2002/issues.html
>
>...
>
>And so to the blank URI question:
>
>I was reminded obliquely (by a comment about splitting URIs into 
>QNames in Jena) that the folks looking at RFC2396bis (URI spec 
>revision) have raised the issue of how to treat fragments attached 
>to blank URIs.

What is a blank URI?? Does it have anything to do with a blank node 
in RDF? (I hope not.)

Pat

>
>Currently, according to RFC2396, #frag is always relative to the 
>current document rather than the current URI resolution base.  This 
>caused us some debate about how to deal with xml:base in RDF.
>
>The current thinking in the URI group is to replace this with a 
>discussion of (non-) retrieval when a bare fragment is used:
>
>[[
>017-rdf-fragment:
>One cannot use the fragment to indicate relative to a base document,
>other than to the current document.  Some want to allow XML parsers
>for RDF to use base URI+fragment together.  The proposal would replace
>discussion in current document with extended discussion of retrieval
>when base is same as current document. There was support for this the
>floor.
>]]
>-- http://lists.w3.org/Archives/Public/uri/2003Mar/0043.html
>
>[[
>Note that this issue is a request to change the "current document"
>algorithm.  This can be accomplished by changing the spec to remove
>the bit about current document and instead replace the empty URI with
>the base URI, later stating that a retrieval action must not take place
>if the new URI differs from the base URI only by its fragment.
>]]
>-- http://www.apache.org/~fielding/uri/rev-2002/issues.html#017-rdf-fragment
>
>(Actually, I think there's a typo there in the issue list:  the 
>minutes reflect my understanding.)
>
>#g
>
>
>-------------------
>Graham Klyne
><GK@NineByNine.org>
>PGP: 0FAA 69FF C083 000B A2E9  A131 01B9 1C7A DBCA CB5E


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Received on Friday, 18 April 2003 12:40:55 EDT

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