Linked Data
by Dr. Barbara B. Tillett
Chief, Policy and Standards Division
Library of Congress
For Texas Library Association Conference
April 12, 2011
Based on Gordon Dunsire’s slide
Database/format Scenarios
Bib record (flat-file)
Z
666.7
.L55
2009
Lee, T. B.
Cataloguing has a future
1 sound disc
Spoken word.
Donated by the author.
1. Metadata
2
Based on Gordon Dunsire’s slide
Database/format Scenarios
Bib record (flat-file)
100 01 $a Lee, T. B.
245 00 $a Cataloguing has a future
300
$a 1 sound disc
500
$a Spoken word.
561 1 $a Donated by the author.
650 0 $a Metadata
3
Based on Gordon Dunsire’s slide
Database/format Scenarios
FRBR registry (IFLA)
Future
record
FRBR
Bibrecord
record (description)
(flat-file)
Bib
Work
information
record
RDA element registry
Author: Lee, T. B.
Title: Cataloguing has a future
Work title:
has a future
Content type:Cataloguing
Spoken word
Expression
information
Carrier type:
Audio disc
Name authority record
Name:
Identifier: …
Subject authority record
Subject: Metadata
Manifestation
information
Provenance:
Donated by the author
Label:
Identifier: …
RDA content type registry
Item information
ONIX
Label: Spoken word
RDA carrier type registry
Identifier: …
4
Linked Data
Work information
Author:
Subject:
Work Title: Cataloguing has a future
Name authority record
Name: Lee, T. B.
Identifier: …
Expression information
Content type:
Manifestation information
Title: Cataloguing has a future
Carrier type:
Subject authority record
Label: Metadata
Identifier: …
RDA content type registry
Item information
Provenance: Donated by the author
RDA carrier type registry
Audio disc
Label: Spoken word
Identifier: …
5
Package for Data Sharing
Communication format record
Work information
Author:
Subject:
Work Title: Cataloguing
Cataloguing has
has aa future
future
Expression information
Content type:
Name: Lee, T. B.
Identifier: …
Subject authority record
Manifestation information
Title: Cataloguing has a future
Carrier type:
Label: Metadata
Identifier: …
RDA content type registry
Item information
Provenance: Donated by the author
Audio disc
Name authority record
RDA carrier type registry
Label: Spoken word
Identifier: …
6
Package for displays
Future display
(
)
Author: Lee, T. B.
Content type: Spoken word
Title: Cataloguing has a future
Carrier type: (Audio disc)
7
7
http://www.rda-jsc.org/
8
Summary

User-oriented models (FRBR/FRAD)
 Collocate
works/expressions
 Identify resources through specific
elements (attributes) and relationships

Internationalization
 Cost
reduction through increased sharing
of data
 Across information communities
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Summary

Principle-based rules (ICP)
 Cataloger’s
judgment (Best for users)
 Take what you see for transcribed data
(Representation)

Facilitate harvesting and sharing of
descriptive metadata
 Less

rigid, more flexible
Add controlled vocabularies for
precision of searching
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Questions?
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Acronyms and Links
DC – Dublin Core
• DCMI – Dublin Core Metadata Initiative
http://dublincore.org/
• DCAM – Dublin Core Abstract Model
http://dublincore.org/documents/2007/04/02/abstract-model/

FRAD – Functional Requirements for Authority Data
http://www.ifla.org/VII/d4/wg-franar.htm

FRBR – Functional Requirements for Bibliographic Records (this site
includes a Webliography)
http://www.ifla.org/VII/s13/frbr/frbr.htm

IFLA – International Federation of Library Associations and
Institutions
http://www.infla.org

JSC – Joint Steering Committee for Development of RDA
http://www.rda-jsc.org/

RDA – Resource Description and Access
http://www.rda-jsc.org/rda.html

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Acronyms and Links

ALA Publishing URL for RDA Toolkit:
http://www.rdatoolkit.org/

RDA Toolkit demo:
http://www.rdatoolkit.org/training/guidedtour

US RDA Test, General information:
http://www.loc.gov/bibliographic-future/rda/

Library of Congress Documentation for the RDA Test
(training materials and decisions for test on RDA options):
http://www.loc.gov/catdir/cpso/RDAtest/rdatest.html
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Terms
Attributes – Elements/data to identify an
entity (e.g., title; place of publication; date
of publication; etc.)
Carrier types – categories of the kinds of
packages to convey information (e.g.,
volume, microfiche, videocassette, globe)
Content types (e.g., text, image, sound,
cartographic content, notated movement)
Media types (e.g., audio, video, unmediated)
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