Re: Scoped contexts with @type:@vocab ?

Fantastic, thank you Gregg!

And yes, I forgot the mapping to crm:E22_Man-Made_Object.  (Note the
horrible `-` character :( )  but yes that is the expected output given the
missing mapping :)

Other than your ruby implementation, are there any others yet?

Thanks again,

Rob



On Mon, Mar 6, 2017 at 5:42 PM, Gregg Kellogg <gregg@greggkellogg.net>
wrote:

> On Mar 6, 2017, at 5:02 PM, Robert Sanderson <azaroth42@gmail.com> wrote:
>
>
> Another scoping question ...  is it possible to use scoped contexts for
> URI expansion within specific relationships?
>
> For example, if I have an external classification system (say
> http://vocab.gett.edu/aat/) and a predicate that refers to it
> (crm:P2_has_type) which I map to `classified_as`, would an embedded/scoped
> context be resolved for the vocabulary terms only when used with that
> predicate?
>
>
> I believe so, but you can try it with the latest version of the Ruby
> json-ld gem to be sure.
>
> The way the expansion algorithm reads is in 8.5, if key has a local
> context (scoped context), to use that to set term context. Later, in 8.8,
> term context is used to expand the value of the property (“Painting”, in
> your case).
>
> For example, in the below, I would want Painting to resolve to
> aat:300033618 only when used with `classified_as`:
>
> ```
> {
>   "@context": {
>     "id": "@id",
>     "type": "@type",
>     "classified_as": {
>       "@id": "crm:P2_has_type",
>       "@type": "@vocab",
>       "@context": {
>          "aat": "http://vocab.gett.edu/aat/",
>          "Painting": "aat:300033618"
>       }
>     }
>   },
>   "id": "http://example.org/object/1",
>   "type": "ManMadeObject",
>   "classified_as": "Painting"
> }
> ```
>
>
>
> I get the following expanded JSON-LD:
>
> ```
> [
>   {
>     "@id": "http://example.org/object/1",
>     "@type": [
>       "ManMadeObject"
>     ],
>     "crm:P2_has_type": [
>       {
>         "@id": "http://vocab.gett.edu/aat/300033618"
>       }
>     ]
>   }
> ]
> ```
>
> Looks like what you want, note that ManMadeObject isn’t expanded, as it’s
> not defined anywhere.
>
> Gregg
>
> Thoughts?
>
> Rob
>
> --
> Rob Sanderson
> Semantic Architect
> The Getty Trust
> Los Angeles, CA 90049
>
>
>


-- 
Rob Sanderson
Semantic Architect
The Getty Trust
Los Angeles, CA 90049