Hi Jonathan,
(cc Cygri because ... you know... old times)

I and Cygri were editors of:

The documents overlap, you can reference the cooluris TR for many of the # -vs 303 aspects.
In fact, you should, because we were in contact with TAG and others back in 2007/2008 when
we edited the document, and it contains most of the stuff related to httpRange-14

What misses in tr/cooluris is the predicate connecting a document to its uri

The trick is to have a triple that connects a conceptual thing to a document,
what you have in point 3.2 in the issue57:

Takin the EQ018 example, the trick is to encode the link from #EQ018 to the document and vice versa.
I have no definitive answer, but I have the gut feeling that it needs to be defined on the level of RDFS,
because rdfs:isDefinedBy is semantically close.

foaf:primaryTopic and foaf:primaryTopicOf are also close.

so to sum up:
* try to quote the TR/Cooluris/ as much as you can because it was very heavily peer reviewed by TAG and IvanHerman and others.
* suggest something for the thing-doc relation, my 2c are above.

thats it from me, not more I can contribute.


It was Jonathan Rees who said at the right time 25.06.2011 18:12 the following words:
Comments solicited: "Providing and discovering definitions of URIs"

(message being sent to www-tag, bcc: public-lod and semantic-web)

As most of you know, the 9-year-old "httpRange-14" turf war is an
annoyance and embarrassment in efforts to develop RDF, linked data,
the Semantic Web, and Web architecture.

As a step toward getting closure I've prepared a document (with
the help of the TAG and the AWWSW task group):


which attempts to record the variety of approaches that have been
offered.  I have attempted to record in a neutral way all the main
proposals that have been put forth and present them in a way that
permits them to be compared.  I'm sure I have failed to be completely
neutral, but if so I'm confident you will tell me.

How to actually get closure is yet to be determined, but a first step
might be to get all the relevant information collected in this
document so that we all know what the issues and opportunities are.

This document is for informational purposes only and its future is
not yet determined. I would have polished it a bit more but given
current debate on www-tag and public-lod I felt it was more important
to get it out than to tie up loose ends.

Please comment on the www-tag@w3.org list. I will revise the document
based on comments received.

If you wish to review the debate please see



The specification governing Uniform Resource Identifiers (URIs)
[rfc3986] allows URIs to mean anything at all, and this unbounded
flexibility is exploited in a variety contexts, notably the Semantic
Web and Linked Data. To use a URI to mean something, an agent (a)
selects a URI, (b) provides a definition of the URI in a manner that
permits discovery by agents who encounter the URI, and (c) uses the
URI. Subsequently other agents may not only understand the URI (by
discovering and consulting the definition) but may also use the URI

A few widely known methods are in use to help agents provide and
discover URI definitions, including RDF fragment identifier resolution
and the HTTP 303 redirect. Difficulties in using these methods have
led to a search for new methods that are easier to deploy, and perform
better, than the established ones. However, some of the proposed
methods introduce new problems, such as incompatible changes to the
way metadata is written. This report brings together in one place
information on current and proposed practices, with analysis of
benefits and shortcomings of each.

The purpose of this report is not to make recommendations but rather
to initiate a discussion that might lead to consensus on the use of
current and/or new methods.

(this is TAG ISSUE-57 / ACTION-579)

Leo Sauermann, Dr.
CEO and Founder

mail: leo.sauermann@gnowsis.com
mobile: +43 6991 gnowsis           

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