From Record to Graph

The world’s libraries. Connected.

From Record To Graph

Online Information Conference, London, 21 November 2012#Online12

Richard WallisTechnology EvangelistOCLC

@rjw

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

OCLC

Catalog Cards


Machine-Readable Cataloging


Marc Records


Marc Records



Name authorities





Subject authorities


Libraries on the Web


Libraries on the Web


Linked Data


Linked Data





WorldCat.org

270+ Million Bibliographic Resources


WorldCat.org



WorldCat.org



WorldCat.org



WorldCat.org



WorldCat.org



WorldCat.org



WorldCat.org



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

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





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

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

@rjw


From Record to Graph

Technology

catalog cards http

century http

resources links

written http

ad http

rjwthe worlds libraries

catalog cardsprinted

library linked data