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Re: Slides for Berlin Data Workshop

From: Pierre-Antoine Champin <pierre-antoine.champin@univ-lyon1.fr>
Date: Sun, 24 Feb 2019 16:56:55 +0100
Message-ID: <CA+OuRR9UvBTun74aseTJ5_n86vYHbPyK0PKz6bEeSmMWQqm2Yw@mail.gmail.com>
To: Gregg Kellogg <gregg@greggkellogg.net>
Cc: W3C JSON-LD Working Group <public-json-ld-wg@w3.org>, Linked JSON <public-linked-json@w3.org>
Dear Gregg,

this is very nice.

Slide 5, you might want to mark your JSON-LD example as "not working yet'
(AFAIK, the @univar type is not part of the standard, right?)

Also, a lot of people are allergic to blank nodes (and some of them even
have quite valid arguments...). Proposing to put *more* blank nodes as soon
as slide 2 might antagonize those people, who may become less receptive to
the remaining of the presentation. Maybe it would be a good idea to
forestall this, with a slide between 1 and 2, or may be just an oral
warnin, in the line of:

" I know that blank nodes can be painful to cope with, but there are
solutions: skolemization, correctly defining their scope, etc... Under this
premise, I don't consider blank nodes to be taboo."


On Sat, 23 Feb 2019 at 23:51, Gregg Kellogg <gregg@greggkellogg.net> wrote:

> The format for the Berlin Data Workshop [1] remains unclear, but I’ve
> prepared just a couple of slides to describe one way in which Anonymous
> Named Graphs in JSON-LD could support the property graph use case.
> > https://json-ld.org/presentations/JSON-LD-Support-for-Property-Graphs/ <
> https://json-ld.org/presentations/JSON-LD-Support-for-Property-Graphs/>
> There’s a short overview of new things in JSON-LD 1.1, and as a bonus, a
> sketch of how Notation3 reasoning might look in JSON-LD. (Hint, we really
> only need to invent a way to describe universal variables at the syntax
> level; reasoning should be universal based on obvious projections from
> Notation 3. The required extensions to RDF Datasets and better description
> of reasoning semantics are work to be done elsewhere).
> Gregg Kellogg
> gregg@greggkellogg.net
> [1] https://www.w3.org/Data/events/data-ws-2019/schedule.html
Received on Sunday, 24 February 2019 15:57:31 UTC

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