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I should mention that I am keeping a wiki page [1] relating to the 
various versions of FRBR in RDF, with links to discussions around the 
issues of modeling -- in particular the question of defining the FRBR 
classes as disjoint.

Also, FRAD [2] resembles FRBR in structure, but FRSAD [3] takes a very 
different approach with only two classes, Thema and Nomen. An 
interesting aspect of FRAD, which reflects standard library practice, is 
that it retains the concept of a "controlled access point" and includes 
a relationship to the rules under which the access point was developed 
and the agency that created the access point by applying the rules.

If I run into discussions of these latter FRs I will add them to the 
wiki page.

kc

[1] 
http://futurelib.pbworks.com/w/page/48221836/FRBR%20Models%20Discussion 
(and linked from the home page http://futurelib.pbworks.com )

[2] 
http://www.ifla.org/publications/functional-requirements-for-authority-data 
(This is the web page for the committee. The English language version of 
FRAD is not available online, but there are other languages available on 
that page.)

[3] 
http://www.ifla.org/files/classification-and-indexing/functional-requirements-for-subject-authority-data/frsad-final-report.pdf

On 5/26/12 9:32 PM, Dan Brickley wrote:
> Fyi
>
>
>
> Begin forwarded message:
>
>> *From:* Riva Patricia <[log in to unmask]
>> <mailto:[log in to unmask]>>
>> *Date:* 27 May 2012 02:33:43 EEST
>> *To:* [log in to unmask] <mailto:[log in to unmask]>
>> *Subject:* *[BIBFRAME] IFLA Functional Requirements namespaces published*
>> *Reply-To:* Bibliographic Framework Transition Initiative Forum
>> <[log in to unmask] <mailto:[log in to unmask]>>
>>
>> *Functional Requirements namespaces published*
>>
>> Namespaces for the Functional Requirements (FR) family of
>> bibliographic metadata models have been published in Resource
>> Description Framework (RDF), the basis of the Semantic Web. The models
>> include Functional Requirements for Bibliographic Records (FRBR),
>> Functional Requirements for Authority Data (FRAD), and Functional
>> Requirements for Subject Authority Data (FRSAD). The namespaces can be
>> accessed at _http://iflastandards.info/ns/fr/_.
>>
>> The FR element set vocabularies include RDF classes and properties
>> corresponding to FR entities, attributes, and relationships. Each
>> class and property has a Uniform Resource Identifier (URI) for use in
>> Semantic Web data triples.
>>
>> A full de-referencing service is available for each URI. When used in
>> an ordinary Web browser, the URI displays HTML pages with
>> human-readable information about the element or concept. When used in
>> a semantic browser, the URI retrieves machine-readable information in
>> RDF/XML format. It is also possible to retrieve this format using an
>> ordinary Web browser.
>>
>> For example, the URI for the FRBR entity-relationship (FRBRer) model’s
>> Group 1 entity “Work” is
>> _http://iflastandards.info/ns/fr/frbr/frbrer/C1001_. To retrieve the
>> RDF/XML information in a normal Web browser, use
>> _http://iflastandards.info/ns/fr/frbr/frbrer/C1001.rdf_; that is, add
>> the file extension “.rdf” to the URI.
>>
>> Another example is the FRSAD attribute “has appellation”: the URI of
>> the corresponding RDF property is
>> _http://iflastandards.info/ns/fr/frsad/P2003_ and the RDF/XML file can
>> be retrieved in a normal browser using the URL
>> _http://iflastandards.info/ns/fr/frsad/P2003.rdf_.
>>
>> The element set for a specific FR model can be accessed as follows:
>>
>>  *
>>
>>     FRBRer: _http://iflastandards.info/ns/fr/frbr/frbrer/_
>>
>>  *
>>
>>     FRAD: _http://iflastandards.info/ns/fr/frad/_
>>
>>  *
>>
>>     FRSAD: _http://iflastandards.info/ns/fr/frsad/_
>>
>> The FR namespaces are maintained and accessed using the Open Metadata
>> Registry (_http://metadataregistry.org/_).
>>
>> These element sets reflect the current published models, however, as
>> the FR family is in the process of being consolidated, this may result
>> in the eventual deprecation of some URIs.
>>
>> Pat Riva
>> Coordonnatrice, section des monographies
>> Direction du traitement documentaire des collections patrimoniales
>> Bibliothèque et Archives nationales du Québec
>> 2275, rue Holt
>> Montréal (Québec) H2G 3H1
>> Téléphone : 514 873-1101 poste 3624
>> Télécopieur : 514 873-7296
>> [log in to unmask] <mailto:[log in to unmask]>
>> www.banq.qc.ca <http://www.banq.qc.ca/>

-- 
Karen Coyle
[log in to unmask] http://kcoyle.net
ph: 1-510-540-7596
m: 1-510-435-8234
skype: kcoylenet