Re: The mentography of reification

>My understanding is that the triple can be thought of as defining a
>particular arc in a graph. That nodes and arcs have identities (locations on
>a page, position in memory, or whatever) and labels.  That with the
>restriction that no two nodes can have the same label,

We may want to relax this slightly for literals; but otherwise, yes.

>  we can uniquely
>identify a node by its label. That with the restriction that duplicate
>triples can not exist, we can uniquely identify an arc by the nodes it
>connects (in order) and the label on the arc. (Nodes, I guess, are asserted
>into existence by their use in describing an arc?)
>
>Taking that view, I'd always envisioned that a nested or reified triple
>would be shown on a graph as arcs originating or terminating on arcs (though
>I don't know about the validity of that in graph-speak).

It isn't good graph-speak, and it isn't correct RDF either, so don't 
think of it that way, I would suggest.


Pat Hayes
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Received on Wednesday, 24 October 2001 20:32:02 UTC