Re: Combining TriG / Named Graph / RDF* / - What are thepossibilities?

Hi Ghislain,


On Mon, 2019-09-02 at 09:29 +0200, Ghislain ATEMEZING wrote:
> Hi Olaf,
> 
> Thanks for the clarification. Without reading the spec of Turtle*, I
> can see now what can be feasible or not.

Great.

> Will it be possible to consolidate somehow use cases for RDF*? 

That's a great idea! Do you have a proposal of how such work may be
organized?

Thanks,
Olaf


> Sorry if I missed that from the previous threads.
> 
>  
> 
> Best,
> 
> Ghislain  
> 
>  
> 
> ------------------------------------
> 
> «Love all, trust a few, do wrong to none » (W. Shakespeare)
> 
> Web : http://atemezing.org 
> 
>  
> 
> De : Olaf Hartig
> Envoyé le :dimanche 1 septembre 2019 21:11
> À : public-rdf-star@w3.org
> Cc : Ghislain ATEMEZING
> Objet :Re: Combining TriG / Named Graph / RDF* / - What are
> thepossibilities?
> 
> 
>  
> 
> Hi Ghislain,
> 
>  
> 
> On lördag 31 augusti 2019 kl. 11:48:46 CEST Ghislain ATEMEZING wrote:
> 
> > Hello,
> 
> > 
> 
> > Let me ask what can be feasible by combining TriG notation / Named
> Graph /
> 
> > RDF* all together. I give below some examples, and ask what could be
> 
> > covered or not with the new extension.
> 
>  
> 
> Syntactically, each of these examples is possible. However, they may
> be 
> 
> interpreted to represent different things. In the following, below
> each of 
> 
> these examples, I will write what I would consider as a reasonable 
> 
> interpretation. To avoid a similar discussion as we had it in the
> other 
> 
> thread, I assume that the property ':claims' in your examples is
> replaced by a 
> 
> property called ':asserts'.
> 
> > #1 - Alice claims sth in a named graph regarding Bob.
> 
> > {
> 
> > <http://example.org/Alice>  rdf:type  foaf:Person .
> 
> > <http://example.org/Alice>  foaf:name  "Alice" .
> 
> > <http://example.org/Alice>  :claims  <http://example/graph/g> .
> 
> > }
> 
> > 
> 
> > <http://example/graph/g> {
> 
> > <http://example.org/Bob>  rdf:type  foaf:Person .
> 
> > <http://example.org/Bob>  foaf:name  "Bob" .
> 
> > <http://example.org/Bob>  foaf:age "23"^^xsd:integer .
> 
> > 
> 
> > }
> 
>  
> 
> My interpretation: Person Alice asserts the whole set of triples that
> make up 
> 
> the graph denoted by IRI <http://example/graph/g>.
> 
>  
> 
> > #2- Alice claims sth in a graph regarding Bob with a confidence
> score
> 
> > {
> 
> > <http://example.org/Alice>  rdf:type  foaf:Person .
> 
> > <http://example.org/Alice>  foaf:name  "Alice" .
> 
> > <http://example.org/Alice>  :claims  << <http://example/graph/g>
> 
> > :confidenceScore "0.8"^^xsd:double >> . }
> 
> > 
> 
> > <http://example/graph/g> {
> 
> > <http://example.org/Bob>  rdf:type  foaf:Person .
> 
> > <http://example.org/Bob>  foaf:name  "Bob" .
> 
> > <http://example.org/Bob>  foaf:age "23"^^xsd:integer .
> 
> > 
> 
> > }
> 
>  
> 
> My interpretation: Person Alice asserts that the graph denoted by IRI
> <http://
> 
> example/graph/g> has a confidence score of 0.8.
> 
>  
> 
> > #3- Alice claims sth in a graph regarding Bob with prov information
> 
> > {
> 
> > <http://example.org/Alice>  rdf:type  foaf:Person .
> 
> > <http://example.org/Alice>  foaf:name  "Alice" .
> 
> > <http://example.org/Alice>  :claims   <http://example/graph/g>  .
> 
> > }
> 
> > 
> 
> > <http://example/graph/g> {
> 
> > <http://example.org/Bob>  rdf:type  foaf:Person .
> 
> > <http://example.org/Bob>  foaf:name  "Bob" .
> 
> > <http://example.org/Bob>  foaf:age "23"^^xsd:integer .
> 
> > }
> 
> > 
> 
> > {
> 
> > <http://example.org/graph/g> :prov  << ex:website :lastUpdate
> 
> > "2018/10/06"^^xsd:date >>
> 
> > }
> 
>  
> 
> My interpretation: First, as in example #1 above, person Alice asserts
> the 
> 
> whole set of triples that make up the graph denoted by IRI
> <http://example/

> 
> graph/g>.
> 
> Additionally (and totally independent of Alice's assertion), the
> provenance of 
> 
> that same graph is a triple saying that something denoted by the IRI 
> 
> ex:website was last updated on Oct.6, 2018.
> 
>  
> 
> At its core, the latter sentence does not seem to make much sense
> ("the 
> 
> provenance of some graph is a specific triple"). However, that's what
> I would 
> 
> interpret from the nested RDF* triple at the end of your example #3.
> 
>  
> 
> Best,
> 
> Olaf
> 
>  
> 
>  
> 
> > 
> 
> > 
> 
> > Best,
> 
> > Ghislain
> 
> > ------------------------------------
> 
> > «Love all, trust a few, do wrong to none » (W. Shakespeare)
> 
> > Web : http://atemezing.org

> 
> > 
> 
> > 
> 
> > 
> 
> > ---
> 
> > L'absence de virus dans ce courrier électronique a été vérifiée par
> le
> 
> > logiciel antivirus Avast. https://www.avast.com/antivirus

> 
>  
> 
>  
> 
>  
> 
> 
> 
> 
> Garanti sans virus. www.avast.com

Received on Monday, 2 September 2019 07:49:43 UTC