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Re: Graphs and Being and Time

From: Pat Hayes <phayes@ihmc.us>
Date: Tue, 1 Mar 2011 10:38:25 -0600
Cc: David Wood <david.wood@talis.com>, RDF WG <public-rdf-wg@w3.org>
Message-Id: <0B862C7A-EE7E-4450-A7BF-BF2FAECA882C@ihmc.us>
To: nathan@webr3.org
Yup, Pat confirms that is his understanding also. (I'm still not *exactly* sure what a g-snap is (Platonic abstract set or instantaneous data structure) but I also don't think it matters very much.)


On Feb 28, 2011, at 1:59 PM, Nathan wrote:

> David Wood wrote:
>> On Feb 24, 2011, at 13:12, Pat Hayes wrote:
>>> It is much simpler: it is just wanting the WG to acknowledge that "an RDF graph" can either be a mathematical set, or it can be some kind of document or data structure or file than can be transmitted over a computer network. But it can't be both.
>> What is the difference between an "RDF graph" and a RESTful "resource"?  What is the difference between an "RDF graph token" and a RESTful "representation"?
> REST maps a resource to a set of values over time, each single value has a 1:N relationship with representations, "RDF Graph" (the mathematical set, platonic abstraction, g-snap) equates to a single value, and "RDF Graph Token" equates to a representation of that single value.
> In other mails, Sandro's, g-box equates to a RESTful resource, something which maps to different values (g-snaps) over time, where g-snap is a snapshot of the state of the g-box.
> RDF doesn't currently cater for anything like a g-box, and both a value and a representation of that value are given the same name "RDF Graph", which I believe was Pats original point.
> Hopefully Pat will confirm if that understanding is correct.
> Best,
> Nathan

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Received on Tuesday, 1 March 2011 17:12:05 UTC

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