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

Re: Simple Reification Question

From: John Jensen <jjensen@bpallen.com>
Date: Thu, 13 Sep 2001 15:55:41 -0700
Message-ID: <3BA1396D.10100@bpallen.com>
To: www-rdf-interest@w3.org

Thanks Sateesh,

I understand this. What I'm looking for, is a more convenient and less 
verbose
way of saying the same thing. Similar to the bagId construction, but dealing
with just one statement rather than a set of statements about a resource.

-- John


Narahari, Sateesh wrote:

>you first need to reify the statement in question. Reification is not the
>ability to say something about the statement, but is representing the
>statement in concrete terms. You have to first represent the statment in
>concrete terms, this process is reification. Once you reify a statement,
>then you can make statements about it.
>
>For example
>
>Creator of www.w3.org/Home/Lassila is Ora Lassila is a statement. Before
>making statements about this, you need to identify the subject, predicate,
>object. 
>
>In this www.w3.org/Home/Lassila is the subject, predicate is Creator, object
>is Ora Lassila.
>
>You would use RDF to identify these as followes:
>
>  <rdf:Description>
>    <rdf:subject resource="http://www.w3.org/Home/Lassila" />
>    <rdf:predicate resource="s:Creator" />
>    <rdf:object>Ora Lassila</rdf:object>
>    <rdf:type
>resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Statement" />
>    <a:attributedTo>Ralph Swick</a:attributedTo>	
>  </rdf:Description>
>
>
>Hope this helps,
>
>Sateesh
>-----Original Message-----
>From: John Jensen [mailto:jjensen@bpallen.com]
>Sent: Thursday, September 13, 2001 12:53 PM
>To: www-rdf-interest@w3.org
>Subject: Simple Reification Question
>
>
>
>All,
>
>I'm sure I'm missing something, but I cannot find a simple way to refer to a
>
>single statement. What I want to do is something like the following:
>
></rdf/:RDF>
>  </rdf/:Description about="http://www.w3.org/Home/Lassila">
>    </s/:Creator rdf:statementID="S_001">Ora Lassila<//s/:Creator>
>  <//rdf/:Description>
>  </rdf/:Description about="#D_001">
>    </a/:attributedTo>Ralph Swick<//a/:attributedTo>
>  <//rdf/:Description>
> <//rdf/:RDF>
>
>but I cannot find a way to do it. Clearly I could fully expand the 
>statement and refer
>to it that way, or I could use the bagID construct, but it seems clumsy 
>since my application
>requires me to refer to a lot of individual statements rather than a 
>collection of statements
>about a resource.
>
>What's the canonical way to do this?
>
>TIA,
> John Jensen
>
>
>
Received on Thursday, 13 September 2001 19:06:09 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Monday, 7 December 2009 10:51:51 GMT