Re: RDF-star use cases from Amazon Neptune

On 03/12/2021 09:23, Dan Brickley wrote:

> Yes, nice and concrete!
>
> What if Alice were Elizabeth Taylor, and Bob were Richard Burton

great minds think alike... here is the example I recently proposed for 
addition in the spec:

https://pr-preview.s3.amazonaws.com/w3c/rdf-star/pull/225.html#married-example


and that was before reading Ora's use-cases... ;)

>
> Wikidata's data model records their two marriages as edge annotations, 
> on the
> https://m.wikidata.org/wiki/Property:P26 relationship linking them.
>
> Eg. https://m.wikidata.org/wiki/Q34851

> https://m.wikidata.org/wiki/Q151973

>
> From a Schema.org point of view, being able to express more of what 
> Wikidata can do seems attractive for interop.
>
> Dan
>
> In Burton's entry we have :
> spouse
>
> Elizabeth Taylor
> start time 15 March 1964
> end time 26 June 1974
> series ordinal 2
> 1 reference
> The Peerage person ID p33443.htm#i334430
> retrieved 7 August 2020
>
> Sybil Christopher
> start time 5 February 1949
> February 1949
> end time 5 December 1963
> series ordinal 1
> 1 reference
> The Peerage person ID p33443.htm#i334430
> retrieved 7 August 2020
>
> Suzy Miller
> end time 1982
> start time 21 August 1976
> series ordinal 4
> 0 references
>
> Elizabeth Taylor
> start time 10 October 1975
> end time 29 July 1976
> series ordinal 3
> 0 references
>
> Sally Burton
> start time 3 July 1983
> end time 5 August 1984
> series ordinal 5
> 0 references
>
>
> On Thu, 2 Dec 2021, 21:12 Jos De Roo, <josderoo@gmail.com> wrote:
>
>     Hi Ora,
>
>     Very nice use cases and to me it looks quite natural to express
>     them as
>
>     :Bob :isMarriedTo :Alice .
>     [] :repr << :Bob :isMarriedTo :Alice >>; :since 2020 ; :source
>     :NYTimes .
>     [] :repr << :Bob :isMarriedTo :Alice >>; :since 2021 ; :source
>     :WashingtonPost .
>
>     :M1 :pipe :M2 .
>     [] :repr << :M1 :pipe :M2 >>; :size "DN 100"; :schedule "30" .
>     [] :repr << :M1 :pipe :M2 >>; :size "DN 125"; :schedule "10" .
>
>
>     Kind regards,
>     Jos
>
>     -- https://josd.github.io

>     <https://josd.github.io>
>
>
>     On Thu, Dec 2, 2021 at 7:44 PM Lassila, Ora <ora@amazon.com> wrote:
>
>         Folks,
>
>         Attached is a document that outlines a couple of uses cases
>         (variants of one modeling pattern ,really) we would like to
>         submit for consideration by the upcoming RDF-star Working
>         Group. I am submitting these now just in case this turns out
>         to be relevant to how the charter gets written. Comments are
>         welcome, and I am happy to discuss these use cases whenever.
>
>         Regards,
>
>         Ora
>
>         -- 
>
>         Dr. Ora Lassila
>
>         Principal Graph Technologist, Amazon Neptune
>
>         Amazon Web Services
>
>         ora@amazon.com
>