W3C home > Mailing lists > Public > www-rdf-interest@w3.org > April 2001

Re: "If" and "else" in RDF

From: Seth Russell <seth@robustai.net>
Date: Sat, 28 Apr 2001 10:10:52 -0700
Message-ID: <005101c0d006$2f0c72a0$b17ba8c0@c1457248a.sttls1.wa.home.com>
To: "Danny Ayers" <danny@panlanka.net>, <info@jan-winkler.de>, <www-rdf-interest@w3.org>
From: "Danny Ayers" <danny@panlanka.net>

> I don't think if...then... needs to be associated with anything active at
> all - it's only a relationship. Well documented (as a 'production rule')
> the expert systems domain. James Tauber's approach with RDF looks good.
> inferencing system will make sense of it, presumably along with the rest
> the metadata.

But then what is the answer to my question in the example below?

> <- For example: if a RDF model knows {Seth isA Male} and {Male addressedBy
> <- "Mr"} and {[; young Male] addressedBy "boy"}, what is the value of the
> <- <value> ?

Yes, you can certainly represent the mapping of the production rules in RDF.
But, imho, you cannot say "if <class> then <value>" without specifying an
agent and a method ... so that untill you do, that construct would always
remain vague and useless.

Received on Saturday, 28 April 2001 13:14:52 UTC

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