Re: Slides for Berlin Data Workshop

> On Feb 25, 2019, at 7:56 AM, Kingsley Idehen <kidehen@openlinksw.com> wrote:
> 
> On 2/23/19 5:50 PM, Gregg Kellogg 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/> <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 <mailto:gregg@greggkellogg.net>
>> 
>> 
>> [1] https://www.w3.org/Data/events/data-ws-2019/schedule.html <https://www.w3.org/Data/events/data-ws-2019/schedule.html>
>> 
>> 
>> 
> 
> Hi Gregg,
> 
> You have the following in slide #3:
> 
> @prefix : <http://bigdata.com> <http://bigdata.com/> .
> 
> I think you had the following in mind, right? 
> 
> @prefix : <http://bigdata.com#> <http://bigdata.com/#> .
> 
That’s what I would have used, but it comes from from the Blazegraph page that introduces Turtle* [1]. Also, see Hartig and Thompson’s paper [2]

I wanted to stay close to the example, but I would imagine that such a change wouldn’t be objected to.
> 
> Also, what does Canonical Turtle* mean? 
> 
> <<:bob foaf:age 23>> isn't part of the current Turtle spec, as far as I know. 
> 
Note the “*” part of Turtle*, again from the Blazegraph page on Reification Done Right. But, I should probably use “RDF*” instead.

Note that I’m not endorsing this, but it’s been making the rounds lately as a way to handle property graphs in RDF. As I say, I believe anonymous named graphs better suit this use case, and leverage existing standards.

Gregg

[1] https://wiki.blazegraph.com/wiki/index.php/Reification_Done_Right
[2] https://arxiv.org/pdf/1406.3399.pdf
> -- 
> Regards,
> 
> Kingsley Idehen       
> Founder & CEO 
> OpenLink Software   
> Home Page: http://www.openlinksw.com <http://www.openlinksw.com/>
> Community Support: https://community.openlinksw.com <https://community.openlinksw.com/>
> Weblogs (Blogs):
> Company Blog: https://medium.com/openlink-software-blog <https://medium.com/openlink-software-blog>
> Virtuoso Blog: https://medium.com/virtuoso-blog <https://medium.com/virtuoso-blog>
> Data Access Drivers Blog: https://medium.com/openlink-odbc-jdbc-ado-net-data-access-drivers <https://medium.com/openlink-odbc-jdbc-ado-net-data-access-drivers>
> 
> Personal Weblogs (Blogs):
> Medium Blog: https://medium.com/@kidehen <https://medium.com/@kidehen>
> Legacy Blogs: http://www.openlinksw.com/blog/~kidehen/ <http://www.openlinksw.com/blog/~kidehen/>
>               http://kidehen.blogspot.com <http://kidehen.blogspot.com/>
> 
> Profile Pages:
> Pinterest: https://www.pinterest.com/kidehen/ <https://www.pinterest.com/kidehen/>
> Quora: https://www.quora.com/profile/Kingsley-Uyi-Idehen <https://www.quora.com/profile/Kingsley-Uyi-Idehen>
> Twitter: https://twitter.com/kidehen <https://twitter.com/kidehen>
> Google+: https://plus.google.com/+KingsleyIdehen/about <https://plus.google.com/+KingsleyIdehen/about>
> LinkedIn: http://www.linkedin.com/in/kidehen <http://www.linkedin.com/in/kidehen>
> 
> Web Identities (WebID):
> Personal: http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i <http://kingsley.idehen.net/public_home/kidehen/profile.ttl#i>
>         : http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this <http://id.myopenlink.net/DAV/home/KingsleyUyiIdehen/Public/kingsley.ttl#this>
>