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Re: Deltas, Diffs and Event Modeling

From: Andy Seaborne <andy@seaborne.org>
Date: Fri, 12 Apr 2019 09:05:52 +0100
To: semantic-web@w3.org
Message-ID: <850e3b43-ac8e-f474-e108-c5566b6e10ea@seaborne.org>


On 11/04/2019 14:37, Dimitris Kontokostas wrote:
> in case this is useful. RDF Delta was part of a bigger set of 
> related/competing proposals
> https://www.w3.org/2012/ldp/wiki/LDP_PATCH_Proposals

That was the older RDF Patch.

RDF Delta is alive and well and being used for dataset replication in 
high availability and replication for performance use cases.

It has an updated patch format, 
https://afs.github.io/rdf-delta/rdf-patch.html but that's only part of 
the RDF Delta.

     Andy

> 
> On Thu, Apr 11, 2019 at 3:55 PM Martynas Jusevičius 
> <martynas@atomgraph.com <mailto:martynas@atomgraph.com>> wrote:
> 
>     Sounds like RDF Delta could be useful: https://afs.github.io/rdf-delta/
> 
>     On Thu, Apr 11, 2019 at 2:46 PM Adam Sobieski
>     <adamsobieski@hotmail.com <mailto:adamsobieski@hotmail.com>> wrote:
>      >
>      > Semantic Web Interest Group,
>      >
>      > AI Knowledge Representation Community Group,
>      >
>      >
>      >
>      > Is there interest here in deltas and diffs to semantic graphs and
>     to sets of predicate calculus expressions? Is there interest here in
>     how these deltas and diffs pertain to modeling events?
>      >
>      >
>      >
>      > I am considering deltas and diffs, additions and removals of
>     statements or expressions and modifications to statements or
>     expressions. I am considering whether such deltas and diffs could be
>     first-class elements in some object models and how they might
>     pertain to event modeling.
>      >
>      >
>      >
>      > We can consider a knowledgebase which contains knowledge about a
>     perceived world or environment. Such deltas and diffs represent
>     changes to knowledgebase contents which seems to be a topic
>     proximate to modeling events. We could add timestamps to deltas and
>     diffs and consider streams of such deltas or diffs. I am thinking
>     about the relationships between knowledgebase deltas and diffs and
>     modeling events.
>      >
>      >
>      >
>      > Any thoughts on deltas, diffs and event modeling? Any projects or
>     publications which you could recommend?
>      >
>      >
>      >
>      >
>      >
>      > Best regards,
>      >
>      > Adam Sobieski
>      >
>      >
> 
> 
> 
> -- 
> Kontokostas Dimitris
Received on Friday, 12 April 2019 08:06:30 UTC

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