Re: Understanding @contexts and credentialSchemas

This is helpful, Orie.

While VC has this credentialSchema property, I assume it would still be acceptable for a context to reference schema(s) directly?

Thanks!

K




> On Jun 10, 2021, at 10:09 AM, Orie Steele <orie@transmute.industries> wrote:
> 
> This won't be a complete answer, but at the time of publication I believe that field was used in 2 ways.
> 
> 1. with json schema, see this for example - https://w3c-ccg.github.io/vc-json-schemas/ <https://w3c-ccg.github.io/vc-json-schemas/> 
> 2. with hyperledger indy zkp-cl signature vc's
> 
> In both cases, "credentialSchemas" was more about the VC data shape and type, whereas contexts and JSON-LD are best used only for semantics.
> 
> There are other tools like SHACL that can help do linked data shape constraints, perhaps someone might use them with credentialSchemas in the future.
> 
> but AFAIK, "credentialSchemas" is focused on the credential data shape. and "@context" is focused on the semantics and term definitions used in the credential.
> 
> OS
> 
> On Wed, Jun 9, 2021 at 5:15 PM Kerri Lemoie <klemoie@concentricsky.com <mailto:klemoie@concentricsky.com>> wrote:
> Hello all,
> 
> I’m reviewing this: https://www.w3.org/TR/vc-data-model/#data-schemas <https://www.w3.org/TR/vc-data-model/#data-schemas>
> 
> Could folks please explain to me the uses of credentialSchemas in comparison to @context files in JSON-LD? Is it that @context files name the attributes and credentialSchemas provide the information about how to validate the data/semantics? 
> 
> Can you provide some real-world examples? Bonus points for human centered examples such as identity,  education, &  workforce. :) 
> 
> Thanks!
> 
> Kerri
> 
> 
> 
> --------
> Kerri Lemoie, PhD
> Director, Digital Credentials Research & Innovation
> badgr.com <https://info.badgr.com/> | concentricsky.com <https://concentricsky.com/>
> she/her/hers
> 
> 
> 
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> 
> 
> -- 
> ORIE STEELE
> Chief Technical Officer
> www.transmute.industries
> 
>  <https://www.transmute.industries/>