From Record to Graph

transcript

The world’s libraries. Connected.

From Record To Graph

Online Information Conference, London, 21 November 2012#Online12

Richard WallisTechnology EvangelistOCLC

Wednesday, 21 November 12

http://www.flickr.com/photos/xavipat/4912858544/

Libraries

have been around for a while...Libraries

have been around for a while...

Ephesus - 117 AD

Libraries

http://www.flickr.com/photos/curiousexpeditions/2406513532/

Libraries

capturing data for a while...Libraries

Catalog Cards

capturing data for a while...

From mid 19th Century

Libraries

Catalog Cards

From mid 19th CenturyMelvil Dewey - 1881

Libraries

Catalog Cards

From mid 19th CenturyMelvil Dewey - 1881

Library of Congress Print Service 1901

Libraries

Catalog Cards

http://www.flickr.com/photos/lesterpubliclibrary/3352920732/

Libraries

http://www.flickr.com/photos/lesterpubliclibrary/3352920732/

Indexed by name

Libraries

http://www.flickr.com/photos/paxsimius/2235761852/

Libraries

http://www.flickr.com/photos/paxsimius/2235761852/

Indexed by subject

Indexed by number (Dewey)

Libraries

http://www.flickr.com/photos/prettydaisies/869136465/

Catalog Cards

http://www.flickr.com/photos/prettydaisies/869136465/

Catalog Cards

Originally hand written

http://www.flickr.com/photos/exlibris/2383688387/

Catalog Cards

Printed by authorities

Catalog Cards

Printed by authorities

Library of Congress - 1901British Library

Catalog Cards

Machine-Readable Cataloging

Marc Records

Name authorities

Subject authorities

Libraries on the Web

Linked Data

WorldCat.org

270+ Million Bibliographic Resources

WorldCat.org

Linked Data

Linked Data• 270+ Million resources• Schema.org + Library• Embedded RDFa• Links to: Dewey, LCSH

LCNAF, DOI, VIAF, FAST• License: ODC-BY• Experimental - June 2012

Download file• Most widely held works

(250+ holdings)

• 1.2 Million resources(80 million triples)

• Schema.org + Library• License: ODC-BY• August 2012

http://worldcat.org http://purl.oclc.org/dataset/WorldCat

http://www.oclc.org/data/attribution.htmlWednesday, 21 November 12

http://en.wikipedia.org/wiki/File:North_Atlantic_Ocean_laea_relief_location_map.jpg

Library Linked Data Potential

http://www.flickr.com/photos/24736216@N07/6153313394/

Turning an Oil Tanker

Millennia of endeavor

Millennia of endeavorCenturies of practice

Millennia of endeavorCenturies of practiceDecades of systems

Millennia of endeavorCenturies of practiceDecades of systemsYears of cooperation

Millennia of endeavorCenturies of practiceDecades of systemsYears of cooperationLoads of standards

Huge heritage to build upon

Huge heritage to build uponIn an exponentially changing environment

Stop Copying

Start Linking

Stop Copying

Start Linking

Be of the Web!Wednesday, 21 November 12

From Record To Graph

Online Information Conference, London, 21 November 2012#Online12

Richard WallisTechnology EvangelistOCLC