W3C home > Mailing lists > Public > semantic-web@w3.org > February 2006

Re: Showing the Semantic Web

From: ben syverson <w3@likn.org>
Date: Wed, 22 Feb 2006 21:14:26 -0600
Message-Id: <BCEFC07C-A6FE-498F-A75B-FE2A10A33DEB@likn.org>
To: semantic-web@w3.org


On Feb 17, 2006, at 2:19 PM, Misha Wolf wrote:

> -  who said that the subject/genre/creator/etc of the story/picture/
>    /video/etc is foo?

What you want is reified statements, and as Shelley Powers says,  
reification is "the RDF Big Ugly." There are plenty of ways to  
express what you want to say in RDF, but they won't necessarily be  
useful to a reasoner that doesn't have a built-in understanding of  
reification. Of course, if your target is other NewsML readers, then  
it may not matter, but you seem to want people to be able to use "off- 
the-shelf" tools to make complex queries about statements. At the  
moment, I don't think that's possible.

It's too bad RDF wasn't designed with the idea that every assertion  
should be reified -- even if only implicitly ("foo.rdf" asserts  
"bar"). RDF's underlying assumption of absolute truth is a near- 
dealbreaker in the context of massive collaborative networks such as  
the internet.

- ben syverson
likn
Received on Thursday, 23 February 2006 03:14:31 UTC

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