Re: Multiplicity and Roles

> On 24 Aug 2015, at 17:44 , Robert Sanderson <azaroth42@gmail.com> wrote:
> 
> 
> The (very valid) concern raised by Jacob and Stian is that the proposal as it stands does not mention multiplicity at all, being Choice, Composite and List.
> 
> If role should be only on SpecificResource, then the content/source for it would have to be the multiplicity construct, such as:
> 
> {
>   "type": "Annotation",
>   "target": "http://example.com/target",
>   "body": {
>      "role": "commenting",
>      "content": {
>          "type": "Choice",
>          "members": [
>              "http://comment.example.org/en",
>              "http://comment.example.org/fr"
>           ]
>        }
>    }
> }
> 
> Which doesn't seem too bad to me. Would be great to get other folks' reactions to this particular case.

I agree with you. It is a fairly obvious combination with what we have in the proposal. It is a bit complex, but the example is complex...


> 
> 
> It becomes more complex for Composite or List, as there would be the specific resource for the Choice/List within the Annotation, and then the specific resource to associate the role with the actual resource.  That said, the pattern is consistent and reliable, if deeply nested.
> 
> {
>   "type": "Annotation",
>   "target": "http://example.com/target",
>   "body": {
>      "content": {
>          "type": "List",
>          "members": [
>            {
>               "role": "commenting",
>               "content": "http://comment.example.org/en"
>            },
>            {
>               "role": "tagging",
>               "content": {
>                  "text": "tag"
>                }
>            }
>           ]
>        }
>    }
> }
> 
> This structure does make the lack of type more concerning, as the members of the Choice or List could be anything, and not necessarily consistent within any individual construct.

I am not sure what the problem is, I must admit.

Ivan

> 
> 
> Rob
> 
> --
> Rob Sanderson
> Information Standards Advocate
> Digital Library Systems and Services
> Stanford, CA 94305


----
Ivan Herman, W3C
Digital Publishing Activity Lead
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ORCID ID: http://orcid.org/0000-0003-0782-2704