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types of "graphs"

From: Sandro Hawke <sandro@w3.org>
Date: Sat, 05 May 2012 09:02:06 -0400
To: public-rdf-wg <public-rdf-wg@w3.org>
Message-ID: <1336222926.27977.286.camel@waldron>
Manu's comment [1] spurred me to try show why we care about the
difference between a g-snap and a g-box.  

Intuitively, it matters to me because when I see

   <g> cc:license cc:by

I want to know what is being licensed, or when I see

   <g> dc:creator "John Smith"

I want to know what I'm being told he created.

Also, the different types have different ideas about identity; there is
only one g-snap containing any given set of triples, so that affects the
kind of metadata we can meaningfully apply to it.

To explore that a little more, I made a table of properties and
whether/how I thought they applied to the different types of things we
sometimes call an RDF "graph":


   -- Sandro

[1] "I really, really don't like all of the new terminology that the group
    is creating - having both 'graph' and 'layer' doesn't help simplify
    this stuff to Web developers. Use a base word, like 'graph' and
    modify it for the different types of graphs - graph snapshot,
    graph container, etc." 
          -- http://lists.w3.org/Archives/Public/public-rdf-wg/2012May/0096.html
Received on Saturday, 5 May 2012 13:02:16 UTC

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