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Re: Properties not predicates (was Re: PRIMER: draft data model section)

From: Pat Hayes <phayes@ai.uwf.edu>
Date: Fri, 26 Oct 2001 09:22:15 -0500
Message-Id: <p051010a4b7ff21bd05d3@[]>
To: Graham Klyne <Graham.Klyne@MIMEsweeper.com>
Cc: w3c-rdfcore-wg@w3.org
>At 06:44 PM 10/25/01 -0500, Pat Hayes wrote:
>>>1.  abstract thing: "statement";  concrete thing:  "triple"
>>>2.  abstract thing: "triple"; concrete thing:  "triple token" 
>>>(discourage use of "statement")
>>>3.  something else?
>>Of these, I like 1. better and I bet it will produce more readable 
>>prose, but we will have to take some care to explain the 
>>distinction and not just assume that the reader knows what we mean. 
>>We can always toss in the 'token' for emphasis at critical points.
>Just to make sure I'm still "on message" (as political spin doctors 
>are required to be):
>- A statement is an abstract thing that has the value true or false 
>in any interpretation.
>- A triple is a kind of token for the statement, consisting of a 
>subject URIref, a property URIref and an object URIref or literal.
>- An arc in a tidy graph (identified by its endpoint nodes and arc 
>label URI) is another kind of token for a statement.

That is my understanding, yes, though I would be happy to be slightly 
vague about whether the graph terminology refers to abstract things 
or concrete things most of the time.


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Received on Friday, 26 October 2001 10:22:19 UTC

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