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Yes, we can!. Some observations on library linked data. [email protected] What is the answer?. [email protected] What is the question?. [email protected] What do we do?. [email protected] Why do we do it?. [email protected] Cataloging. Distinguish Differentiate Separate.

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Presentation Transcript
slide1
Yes, we can!
  • Some observations on library linked data

[email protected]

slide6
Cataloging

Distinguish

Differentiate

Separate

[email protected]

slide7
Cataloging

Distinguish

Differentiate

Separate

[email protected]

slide9
"Books are a slow conversation"

Each one listens to others and talks to others.

[email protected]

slide11
Today's tools and models
  • MARC (at the end of its life)‏

[email protected]

slide13
Today's tools and models
  • MARC (at the end of its life)‏
  • FRBR (a model, but based on past practices; unstable)‏
  • RDA (based on FRBR and AACR and MARC, with some new concepts)‏.

[email protected]

slide16
Cutter's questions

What books does the library have by this author?

What books does the library have on this topic?

Does the library have a book with this title?

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slide17
Tomorrow's questions

Starting with this author, what authors are related to him/her through their subject matter? Which are closest to this author?

Who else was writing in this time in this place?

Given this subject, who are the key authors?

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slide18
Day after tomorrow's questions

Where does this subject lead me?

What resources (library or outside of library)?

What are related subjects?

Information about the subject (encyclo/wiki/pedia)‏

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slide19
What is further?

Semantic web – ending the library data silo

Navigation and discovery instead of search

Computable data – ability to mine bibliographic data for information..

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slide29
Everything is connected to something
  • No (or few) dead ends
  • Computation is "easy" (e.g. topic maps, term clouds, timelines) ‏
  • Users can discover previously unseen connections between information resources.
slide30
Back to our tools

FR's – FRBR, FRAD, FRSAD

RDA

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slide32
FRBR

Person

Work

Corp

Expression

Event

Manifestation

Concept

Place

Item

Object

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slide33
FRBR

Person

Work

Corp

Expression

Event

Manifestation

Concept

Place

Item

Object

[email protected]

slide34
FRBR – bibliographic relationships

Work

Work

Expression

Expression

Manifestation

Item

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slide36
Some issues - FRBR

Not well understood

Untested, mostly unimplemented

Superceded by FRAD, FRSAD, and now requiring changes to be compatible

May not interact well with non-FRBR data.

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slide37
More issues - FRBR

Group 3 (Subjects) should be replaced with a general subject relationship to anything that can be identified

Group 3 elements should be general (e.g. Place) or be subproperties of a more general property

Placement of data elements within WEMI is highly debated, especially for collective items (books of essays, multiple music works on a disk)‏.

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fr for authority data
FR for Authority Data

Person

Identification

Corp

name

Family

Controlled access point

Rules

Agency

fr for authority data40
FR for Authority Data

Person

Identification

Corp

name

Family

Controlled access point

Is basis for

Rules

using

Assigned by

Agency

fr for subject authority data frsad
FR for Subject Authority Data(FRSAD)‏

Work

FRBR

Event

Is subject

Concept

Place

Object

fr for subject authority data frsad42
FR for Subject Authority Data(FRSAD)‏

Work

Thema

Has subject

Nomen

Has name

slide43
RDA
  • RDA is at least 3 things:
    • Cataloging guidance
    • Ontology (not entirely "linked data" compatible)‏
    • Definition of values (most are text; some controlled lists, but most mix list and text)‏
slide44
Some issues - RDA

Not well understood

Untested, mostly unimplemented

Adheres strictly to FRBR - Every RDA element is valid only as a single FRBR entity.

[email protected]

rda properties
RDA Properties

Extent (Manifestation)‏

Extent (Item)‏

Extent of still image (Manifestation)‏

Extent of still image (Item)‏

slide46
Some issues - RDA

There is no data carrier defined for RDA.

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rda in rdf
RDA in RDF

Joint project between DCMI and RDA

April, 2007

http metadataregistry org
http://metadataregistry.org
  • RDA – properties, relationships, controlled values; still provisional
  • FRBRer - completed
  • FRAD – in progress
  • ISBD – in review
rda generalized properties
RDA Generalized Properties
  • Extent
  • Extent (Manifestation)‏
  • Extent (Item)‏
  • Extent of still image
  • Extent of still image (Manifestation)‏
  • Extent of still image (Item)‏
us rda test
US RDA "Test"
  • Great opposition to RDA in US
  • "Test" as proof of concept
  • "Test" uses MARC; ignores all FRBR and RDF-type aspects
  • Only tests that RDA guidance can be used to complete MARC records
us rda test57
US RDA "Test"
  • September, 2010 – December 2010
  • ~30 libraries
  • Final report March, 2011
  • Next: RDA will be accepted
to do
To Do
  • Test FRBR and RDA in a linked data environment
  • Simplify where possible
  • Create links between library data and non-library metadata
  • Encourage use of library data outside of libraries
  • Encourage use of non-library data inside libraries.
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