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Re: RDF* implementations and PG/SA modes [was: Re: Apache Jena support for RDF*]

From: Olaf Hartig <olaf.hartig@liu.se>
Date: Sun, 09 Aug 2020 09:50:37 +0200
To: public-rdf-star@w3.org
Cc: thomas lörtsch <tl@rat.io>
Message-ID: <7647104.JCxt3fiEX7@porty3>
Hi Thomas,

One correction to your list: Blazegraph supports the PG mode, not the SA mode. 
Their documentation of the feature can be found at:

https://github.com/blazegraph/database/wiki/Reification_Done_Right

Best,
Olaf



On lördag 8 augusti 2020 kl. 15:49:52 CEST thomas lörtsch wrote:
> > On 8. Aug 2020, at 12:18, thomas lörtsch <tl@rat.io> wrote:
> > Do you or anybody here happen to keep track of which implementations out
> > there support which mode - SA, PG, both?
> If that sounded a little lazy, then maybe it was… So here’s my homework:
> 
>     SA  PG  Implementation  Documentation
> 
>         x   AnzoGraph      
> https://docs.cambridgesemantics.com/anzograph/v2.2/userdoc/lpgs.htm?Highlig
> ht=rdf x       BlazeGraph      https://github.com/blazegraph/tinkerpop3 x   
>    GraphDB        
> http://graphdb.ontotext.com/documentation/9.2/free/devhub/rdf-sparql-star.h
> tml x       Jena            https://jena.apache.org/documentation/rdfstar/ x
>   x   N3              shaky evidence: I seem to remember a mail on this
> list saying they can support both x       rdf4j          
> https://rdf4j.org/documentation/programming/rdfstar/ x   Stardog        
> https://www.stardog.com/docs/#_edge_properties
> 
> Nobody seems to support mode switching. Stardog uses a modified RDF* syntax
> that unambiguously asserts the triple it annotates.
> 
> Absolutely no guarantee that the list is correct, much less complete.
> Additions and corrections obviously very welcome!
> 
> 
> Thomas
Received on Sunday, 9 August 2020 07:50:58 UTC

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