Add metadata for associations

[cmungall]

Associations should have at least the person/group that created or contributed to the association (mapped to dc:creator and dc:contributor) plus creation timestamp.

[balhoff]

Should we support the creator being possibly either a string or an IRI? e.g. text name vs. ORCID

I guess having the value as an Entity would work for this—is it a problem for an Entity to have a null id?

[cmungall]

I had been thinking of the Entity being an entity in the main 'domain of
discourse'. But this gets awkward if we have self-phenotyping humans.

I think Entity makes the most sense. We should then force an ID/IRI, no
nulls.

On 6 Jul 2016, at 11:29, Jim Balhoff wrote:

Should we support the creator being possibly either a string or an
IRI? e.g. text name vs. ORCID

I guess having the value as an Entity would work for this—is it a
problem for an Entity to have a null id?

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#69 (comment)

[balhoff]

How fine-grained should this be? We could add contributor and date fields to Association, and maybe also to PhenoPacket. But should it support multiple contributors in each location? If multiple, would each have a separate date?

[balhoff]

We need to implement some form of this to pass contributor and date through PXF when going from HPO Phenote to Noctua OWL.