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DC-ARCHITECTURE  May 2012

DC-ARCHITECTURE May 2012

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Subject:

Re: Fwd: [BIBFRAME] IFLA Functional Requirements namespaces published

From:

"Young,Jeff (OR)" <[log in to unmask]>

Reply-To:

DCMI Architecture Forum <[log in to unmask]>

Date:

Sun, 27 May 2012 16:34:26 -0400

Content-Type:

multipart/mixed

Parts/Attachments:

Parts/Attachments

text/plain (1 lines) , FRSADSKOS Comparison.jpg (1 lines)

Attached is a UML class diagram that illustrates a sensible mapping between FRSAD and SKOS/SKOS-XL. FRAD would look somewhat similar.



Since SKOS/SKOS-XL can be used to solve authority control use cases, it arguably should rather than trying to promote a library-centric alternative. I would also argue that SKOS is easier to use than FRSAD, particularly in the most common cases where the literals themselves don't need to be treated as objects.



Jeff



> -----Original Message-----

> From: DCMI Architecture Forum [mailto:[log in to unmask]]

> On Behalf Of Karen Coyle

> Sent: Sunday, May 27, 2012 3:52 PM

> To: [log in to unmask]

> Subject: Re: Fwd: [BIBFRAME] IFLA Functional Requirements namespaces

> published

> 

> Jeff, perhaps they are, I haven't seen them coded in that way. What I

> find interesting is how different they are from each other, even though

> they are both, theoretically, describing authority data. (The "AD" is

> "authority data.")

> 

> I put a copy of the FRAD entity diagram on my site:

> 

> http://kcoyle.net/rda/frad_2009-fr_13.pdf

> 

> This is the one from the French version, since the English version

> isn't

> available.

> 

> kc

> 

> On 5/27/12 11:53 AM, Young,Jeff (OR) wrote:

> > Karen,

> >

> > FRAD and FRSAD are basically variants of SKOS and SKOS-XL. Foaf:focus

> is a key factor for connecting these back to ontological models. The

> authority section of the lld-xg report addresses this but may not be

> clear enough.

> >

> > Jeff

> >

> > Karen Coyle<[log in to unmask]>  wrote:

> >

> > 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



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