Thanks, Ray. We will then use bf:role and create separate
bf:Contributions for the different roles of a person.
I am also happy to hear that bf:contribution and bf:creator will be
eliminated.
Adrian
Am 22.12.2016 um 15:57 schrieb Denenberg, Ray:
> Hi Adrian –
>
>
>
> In the past few months we have been analyzing the BIBFRAME vocabulary in
> the process of developing conversion specs, and in that process there
> have been some changes. We plan to publish these soon.
>
>
>
> In particular: br:role is now an object property; bf:contribution and
> bf:creator are eliminated. This is to reduce the different number of
> ways to indicate a role.
>
>
>
> Example:
>
>
>
>
>
> bf:contribution [
>
> a bf:Contribution ;
>
> bf:agent [
>
> a bf:Agent,
> bf:Person ;
>
> rdfs:label
> “Gomes, Luísa Costa “ ] ;
>
> bf:role [
>
> a
> bf:Role ;
>
> rdfs:label “author”
> ] ] ;
>
>
>
>
>
>
>
> As bf:role is now an object property, the above can be written as:
>
>
>
>
>
> bf:contribution [
>
> a bf:Contribution ;
>
> bf:agent
> <http://id.loc.gov/rwo/agents/n85062876> ;
>
> bf:role
> <http://id.loc.gov/vocabulary/relators/aut> ] ;
>
>
>
> <http://id.loc.gov/rwo/agents/n85062876>
> [
>
> a bf:Agent, bf:Person ;
>
> rdfs:label “Gomes, Luísa Costa “ ]
> ;
>
>
>
> <http://id.loc.gov/vocabulary/relators/aut>
> [
>
> a bf:Role ;
>
> rdfs:label “author” ] ;
>
>
>
>
>
>
>
> If you want to list two roles, e.g. “illustrator” and “author” for the
> same person, the rule is, declare two separate Contribution resources.
> Two or more role statements within the same Contribution resource should
> occur only because you want to provide two different representations
> (e.g. two different URIs) for the same role. The same goes for agent:
> If there are two different authors, use two Contributions; two agents
> should be listed in the same Contribution only for different
> representations of the same agent.
>
>
>
> If you want to indicate the role “creator” you can use
>
> http://id.loc.gov/vocabulary/relators/cre
>
>
>
> If you want to indicate the role “contributor” you can use
>
> http://id.loc.gov/vocabulary/relators/ctb
>
>
>
> Ray
>
>
>
>> -----Original Message-----
>
>> From: Bibliographic Framework Transition Initiative Forum
>
>> [mailto:[log in to unmask]] On Behalf Of Adrian Pohl
>
>> Sent: Thursday, December 22, 2016 5:01 AM
>
>> To: [log in to unmask]
>
>> Subject: [BIBFRAME] How to record an Agent with more than one role?
>
>>
>
>> Hello,
>
>>
>
>> how do you suggest representing a person that has two roles in a
> creative work
>
>> with Bibframe RDF. Assuming that the agent in [1], Example
>
>> 3 is illustrator as well as author of the example resource, there are
> two options.
>
>>
>
>> 1. Listing roles within a contribution:
>
>>
>
>> <http://bibframe.example.org/resource> bf:contribution [
>
>> a bf:Contribution ;
>
>> bf:role "illustrator", "author" ;
>
>> bf:agent <http://id.loc.gov/rwo/agents/n94064763> ] .
>
>>
>
>> 2. Listing contributions:
>
>>
>
>> <http://bibframe.example.org/resource> bf:contribution [
>
>> a bf:Contribution ;
>
>> bf:role "illustrator" ;
>
>> bf:agent <http://id.loc.gov/rwo/agents/n94064763> ], [
>
>> a bf:Contribution ;
>
>> bf:role "author" ;
>
>> bf:agent <http://id.loc.gov/rwo/agents/n94064763> ] .
>
>>
>
>>
>
>> I guess both versions make sense, depending on how you interpret a
>
>> "Contribution": Are they rather person-centrix (which would mean using
>
>> 1.) or role-centric (which would mean 2.)?
>
>>
>
>> I would be happy if the Bibframe documentation provided a clear answer to
>
>> this question.
>
>>
>
>> All the best
>
>> Adrian
>
>>
>
>> [1] http://www.loc.gov/bibframe/docs/pdf/bf2-roles-apr2016.pdf
>
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