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

Re: "If" and "else" in RDF

From: Murray Altheim <altheim@eng.sun.com>
Date: Sat, 28 Apr 2001 18:38:13 -0700
Message-ID: <3AEB7085.7D8F6FCA@eng.sun.com>
To: Danny Ayers <danny@panlanka.net>
CC: Seth Russell <seth@robustai.net>, info@jan-winkler.de, www-rdf-interest@w3.org
Danny Ayers wrote:
> <- Ok on that we agree.  Some process needs to operate on the
> <- <conditional> to
> <- access the truth of the situation within some context before the value is
> <- known.  Sure, we can represent any relation R(<conditional>, <value>) in
> <- RDF.  But, me thinks,  if we try to take the extra step of
> <- saying inside the
> <- RDF "if <conditional> then <value>", without also specifying at least the
> <- class of process,  and the class of context in which that statement is
> <- operational, me thinks we are kidding ourselves.
> generally speaking, won't <conditional> and <value> have true/false values?
> In which case the context/processing is irrelevant - if the condition's true
> then so's the consequent... (what is done with this knowledge is another
> matter)

You have guys have me really confused. Are you trying to find a way to
express a material implication relationship, or perform a programmatic
function? Turn RDF into a programming language? I don't get it. Expressing
relationships is one thing, actually acting on them is a whole different

Murray Altheim                            <mailto:altheim&#x40;eng.sun.com>
XML Technology Center
Sun Microsystems, Inc., MS MPK17-102, 1601 Willow Rd., Menlo Park, CA 94025

      In the evening
      The rice leaves in the garden
      Rustle in the autumn wind
      That blows through my reed hut.  -- Minamoto no Tsunenobu
Received on Sunday, 29 April 2001 04:37:50 UTC

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