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Re: top-level Comment on lBase

From: pat hayes <phayes@ai.uwf.edu>
Date: Thu, 24 Oct 2002 11:58:06 -0500
Message-Id: <p05111b04b9ddd20a5d73@[65.217.30.130]>
To: Jeremy Carroll <jjc@hpl.hp.com>
Cc: w3c-rdfcore-wg@w3.org

>I have quickly read the first 9 pages, I will do the rest this evening.
>
>I have concerns at a high-level; I will give more detailed comments
>tomorrow.
>
>The high-level concerns are scope, and politics.
>
>Scope:
>
>Lbase is explicitly monotonic, and Lbase claims to be the base for all
>SWELs.
>However there are existing languages that in my mind fit on the Semantic Web
>arctitecture diagram that are non-mon. e.g. XML Schema, RuleML. (Note the
>former is explicitly mentioned on:
>http://www.w3.org/2000/Talks/1206-xml2k-tbl/slide10-0.html
>)

?? Can you say why XML Schema is nonmonotonic??

>Thus I suggest the scope of Lbase should be narrowed to being a means of
>expressing semantics for 'monotonic SWELs'

OK, though I think I would like to word it differently.

>
>Politics:
>
>Some of this seems to be an extension of arguments in WebOnt in another
>forum.
>This seems unfortuante, particularly since those arguments are being
>resolved.

Well, a technical resolution is under way, but the differences in 
attitude and preference as still as strong as they ever were.

>I also dislike the use of phrases like: "quite intractable
>problems" rather than a less extreme "difficult problems".

We could indeed re-word this somewhat now. In general, I think I also 
speak for Guha in wanting the wording to be as uncontroversial as 
possible. Our purpose is not to ruffle feathers.

>
>Given that this note is unlikely to be revised, I would suggest we seek
>feedback from WebOnt, or at least Peter, before publication.
>
>===
>
>I am likely to abstain whatever the editors do - publication is useful to
>move the debate forward, and is in charter; but I am unlikely to be
>convinced that it is appropriate for the RDF Core WG to make a proposal like
>this.
>
>I am working on a doc that will reference this Note in order to
>attack^H^H^H^H^H^H question some of its assumptions. Hence it is useful to
>me, in order not to be tilting at windmills.
>
>Jeremy


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Received on Thursday, 24 October 2002 12:58:14 EDT

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