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RDA: future scenarios. Lars G. Svensson ; Gordon Dunsire. Overview. Context Linked data and the Semantic Web RDA triples Role of FRBR Navigating the data What’s in it for whom?. Context. RDA test executive summary:

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rda future scenarios

RDA: future scenarios

Lars G. Svensson; Gordon Dunsire

overview
Overview
  • Context
  • Linked data and the Semantic Web
  • RDA triples
  • Role of FRBR
  • Navigating the data
  • What’s in it for whom?
context
Context
  • RDA test executive summary:
    • Announce completion of the Registered RDA Element Sets and Vocabularies. Ensure the registry is well described and in synchronization with RDA rules.
      • Business case: ... enables the descriptive metadata created to be used in a linked data world
    • Demonstrate credible progress towards a replacement for MARC.
  • LoC Bibliographic Framework Transition Initiative
    • Experiment with Semantic Web and linked data technologies
linked data world
Linked data world
  • Not a new world for bibliographic metadata
    • Modern library systems link descriptive metadata to authority headings for resource discovery
      • RDA database scenario 2
  • Semantic Web offers opportunities to go global
    • World-Wide, international scale of the machine-processing infrastructure of the Web
  • Resource Description Framework (RDF)
    • Interoperable, simple, atomic metadata statements in the form of “triples”
what does an rda triple look like
What does an RDA triple look like?

Linked data!

.

ex:123

rda1:contentTypeExpression

rdact:1016

The specified expression

has content type

tactile notated music

taktile Musik

content type

“taktileMusik”

preferred label (de)

“tactile notated music”

preferred label (en)

where is frbr
Where is FRBR?

“Expresión”

is-a

frbrer:C1002

label (sp)

ex:123

ex:345

realization of

is-a

frbrer:C1003

content type

label (en)

rdact:1016

“Work”

E.g. “content type” specified to have domain (first part of triple) of frbrer:C1002 (Expression)

We can register properties like “content type” to say that the first and/or last parts of a triple are specific instances of a particular class

to watch a large graph of linked data can be somewhat intimidating
VIAF

PND

Verbund-

Titel

Wikipedia

DDC

(deutsch)

GKD/

Labels

Phononet

DNB-Titel

ISBN

ISSN

ISMN

LCSH

MVB

SWD

ZDB-Titel

RAMEAU

Verbund-

Exemplare

DNB-

Exemplare

WorldCat-

Titel

urn:nbn:de

To watch a large graph of linked data can be somewhat intimidating
is the best way an application specific view
Is thebestway an application-specificview?

Title

HowtoprotectyourselfagainstDengueTouristikmedizin

?

Author

?

Subject

?

is the best way an application specific view1
Is thebestway an application-specificview?

Title

Howtoprotectyourselfagainst Dengue

?

Author

Watson,

?

Watson, Anders

Watson, Belinda

Watson, Immanuel

Watson, John H. (Literarische Gestalt)

Watson, Karen

Watson, Nicolas

Watson, Xanthippa

Watson, Yngve

Subject

?

is the best way an application specific view2
Is thebestway an application-specificview?

Title

Howtoprotectyourselfagainst Dengue

?

Author

Watson, John H. (Literarische Gestalt)

?

Subject

Travel m

?

Travel medicine

Travel medieval

Touristikmedizin (GND)

or should it be like moving a lense over the graph1
Orshoulditbelikemoving a lenseoverthegraph?

Der Steppenwolf

Der Steppenwolf, German

Der Steppenwolf, München 2006

or should it be like moving a lense over the graph2
Orshoulditbelikemoving a lenseoverthegraph?

Zürich

Hermann Hesse

Der Steppen-Wolf

or should it be like moving a lense over the graph3
Orshoulditbelikemoving a lenseoverthegraph?

Europa

Schweiz

Baedecker Schweiz

Zürich

should the user really need to care
Shouldtheuserreallyneedtocare?

Classic searchinterface:

Enter yoursearchtermshere

Go!

Semanticsearchinterface:

Enter yoursearchtermshere

Go!

so who benefits from all this
So who benefits from all this?

http://farm3.static.flickr.com/2123/2195240237_1f1c7fd671_b.jpg

Is all this semantic web stuff of any use to me as a library patron?

libraries benefit because we don t need to curate all the data ourselves
Libraries benefit, becausewedon‘tneedtocurate all thedataourselves

Gnd:123456-7

Geonames:98765-4

Photo by karlnorling (CC-BY): http://www.flickr.com/photos/karlnorling/4206727580/sizes/m/in/photostream/

Photo by J. Stephen Conn (CC-BY-NC): http://www.flickr.com/photos/jstephenconn/4224322884/sizes/m/in/photostream/

lat

“Paris“@fr

long

by involving trusted communities we can maintain high data quality
Open Knowledge Networks

Data generation: registered users and communities, automated algorithms

Quality control: self-control (see Wikipedia)

Sphere

Mantle

Core

Controlled Quality

Data generation: high quality algorithms

Quality control: training and improvement of algorithms

Guaranteed Quality

Data generation an correction: libraries, universities, museums, expert panels, etc.

Quality control: strict rules, panels

Highest stability (persistency)

Byinvolvingtrustedcommunities, wecanmaintainhighdataquality
thank you
Thank you
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