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The Strongest Link: Libraries and the Web of Linked Data

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The Strongest Link: Libraries and the Web of Linked Data

Gillian Byrne & Lisa Goddard

Memorial University of Newfoundland

Emerging Technologies in Academic Libraries 2010 Trondheim, Norway - April 2010

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What do Libraries need to do?

1. Use the RDF data model to

publish structured data on the Web.

2. Use RDF links to interlink data

from different data sources.

(3)

Library RDF Converters

(4)

MARC to RDF

(5)

OAI to RDF

(6)

Dublin Core to RDF

DC Elements

xmlns:dc="http://purl.org/dc/elem ents/1.1/

DC Terms

xmlns:dcterms=“http://purl.org/dc /terms/”

DC Abstract Model

xmnls:dcam=“http://purl.org/dc/d cam/

(7)

Simile RDFizers

(8)

RDF Publishing Tools

Many popular web publishing tools now have RDF & semantic

capabilities.

(9)

Semantic Blogging: Zemanta

(10)

Related Media

Related Tags Related

Articles

(11)

Semantic MediaWiki

(12)

Semantic MediaWiki

(13)

Semantic MediaWiki

(14)

Semantic MediaWiki

(15)

Drupal 6 CMS

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Drupal 7 with RDFa

(17)
(18)

Library RDF Publishing Tools

(19)

Dspace & RDF

(20)

Fedora & RDF

(21)

Fedora & RDF

(22)

Fedora & RDF

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Eprints & RDF

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Eprints & RDF

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Libraries & RDF

Plenty of tools already exist to allow libraries to expose data as RDF.

Become aware, experiment, work with vendors to develop

semantically compliant tools.

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RDF Linking

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Linking Hubs

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Library Linking Hubs

Reuse existing URIs for entities &

concepts.

Connect resources to external data

published by other data sources.

(29)

Subject linking: loc.id.gov

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Virtual International Authority File

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RDF Book Mashup

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Linked Periodicals Data

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RKBExplorer - Publication

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RKBExplorer - Person

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RKBExplorer - Organization

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(37)

What’s the promise?

Better, smarter discovery

Enriched content

Enhanced personalization

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Smarter linking

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Data integration

Library

Catalogue ERM Database

ISxNs, OCLC Numbers, Title

Library Catalogue

ERM

Database

Ontologies

(40)

Madonna at Raphael's nightclub (NSFW)

Raphael's Madonna (NSFW)

<img src=“09821.jpg” alt=“madonna”>

Disambiguation

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Related Works to Relationships

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Enriched content

http://richard.cyganiak.de/2007/10/lod/

(43)

Julie

Student

Is patron type

Takes course Has

major

History

Citation

Has reading

Hist102

Enhanced personalization

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The Holy Grail?

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What are the obstacles?

Trust

Data ownership

It’s…well…hard

(46)

Trust

The largest hurdle to library adoption of Linked Data, though, may not be educational or technological …The sticking point for librarians may be an issue of trust.

- Ross Singer, “Linked Data Now!”

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Data ownership

Lib rar

y

Cat alo gue

Dig ital Arc

hiv e

Dat aba

se

Repository

Ejournal

(48)

Rocking the foundations

MARC

RDA

DCMI/RDA Task Group

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What can we do…now?

Eric Miller noted in a 2004 talk that libraries have four major roles in the semantic web:

1. exposing collections – use Semantic Web technologies to make content available;

2. web'ifying thesaurus/mappings/services;

3. sharing lessons learned;

4. persistence.

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Exposing collections

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web'ifying thesaurii, etc.

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Sharing lessons

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Persistence

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