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RDF issues from F2F presentation

From: Martyn Horner <martyn.horner@profium.com>
Date: Wed, 08 Aug 2001 13:19:52 +0200
Message-ID: <3B712057.EC35EF6@profium.com>
To: w3c-rdfcore-wg@w3.org
Like Aaron, I also didn't get a chance to make a presentation at the F2F
(I left an hour before the end). My personal (and partly Profium's)
RDF/metadata issues list was the following. I offer it only for the
record: these are not necessarily the WG's concerns.

1. Time dependence (this is my biggest concern about RDF and the Web in
general: unlike Eric, I think 404s are a pain in the neck)

Semantics of separated metadata: durability of semantic annotations:
life cycle issues.
Consistency of predicate semantics (current models tend to be

I think `coherence' is my main worry: coherence of related document sets
in time, coherence of semantics over time

2. Uniqueness, identity and identification

Reliability of reference to external resource. Again a
time-dependence/coherence issue

3. Language (the XML:Lang issue?)

Our applications seem to be rooted in locale: so no issue but...

Definitions of language dependence, tests of literal equivalence across
languages, etc matter for long run.

4. Non-RDF metadata (metadata derived from non-regulated sources)

How to map into well-controlled RDF (equivalence between vocabularies,
ontologies, etc)

5. Software design issues

`Levels?' of RDF complexity (core, advanced, etc).
Embedding of RDF in context (XML:Base, Xlink, etc).
Archival forms of RDF (version, level, etc).

6. The Semantic Web (in general)

Will it be distributed or local?
Will it be language neutral?
Will it be conformable (abusable, open, uniform,...)?
How will it be affected by time?

Martyn Horner <martyn.horner@profium.com>
Profium, Les Espaces de Sophia,
Immeuble Delta, B.P. 037, F-06901 Sophia-Antipolis, France
Tel. +33 (0) Fax. +33 (0)
Mob. +33 (0) Internet: http://www.profium.com
Received on Thursday, 9 August 2001 06:26:08 UTC

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