The Power of Sharing Linked Data (NASIG)

The world’s libraries. Connected.

NASIG 2014 – Fort Worth, TX

The Power of Sharing Linked Data Giving the Web What it Wants

Richard Wallis Technology Evangelist OCLC @rjw


…where your users are?


! ?


Today’s online informaKon seekers have many choices


Today’s online informaKon seekers have many choices

• Select • Acquire • Describe • Preserve • Expose


The problem with access to library collecEons:

People don’t start research in the library catalog?

(No… that’s just a fact.)

The real problem is that we don’t expose our collecEons very well on the web.

QuesEon: How to connect users to library collecEons on the web?


Scribe OPAC Card Catalog

Web of Data Web

EvoluEon of Metadata Management and Library Catalogs


What the Web wants

What is required to join the web of data?


What the Web wants

Some things the web wants: 1.   Size 2.   Familiar structures 3.   A network of links 4.   EnEty idenEfiers


ediEon

author locaEon

holding

date of publicaEon

classificaEon

publisher

Etle

source

ISBN

author locaEon

holding

classificaEon

publisher

person place

object concept

organizaEon work

library data: stored as records

Etle


author person place

object concept

organizaEon work

subject item availability

library data stored as enEEes


person place

object concept

organizaEon work

library data stored as enEEes library knowledge graph

A graph of relaEonships


Knowledge cards for libraries

Günter Grass Born: 16 October 1927 Gdańsk, Poland

German novelist, poet, playwright, illustrator, graphic arDst, sculptor and recipient of the 1999 Nobel Prize in Literature.

Works

Subjects

Quotes

Find Günter Grass works at: Libraries near me | Online Retailers

Germany | German literature | Historical ficDon War stories | Black humor | Fantasy

“Even bad books are books and therefore sacred.”—The Tin Drum

Google Knowledge Graph


person place

work

concept

organizaEon

object

Günter Grass

Historical FicEon

this copy of “The Tin Drum”

Germany

library “Die Blechtrommel”

library data stored as enEEes Field in a record vs. enEty in knowledge graph

expression “The Tin Drum”


EvoluEon of Metadata Management and Library Catalogs


Web of Data Web

person place

object concept

organizaEon work

Web of Data


person place

object concept

organizaEon work

library data stored as enEEes library knowledge graph

Works

FRBR: Work

FRBR: ManifestaDon


Benefits for All Library Workflows The Data Strategy: WorldCat Works

person place

object

organizaEon work

Cataloging

IntegraDon with the web

Cascading updates More opDons

IntuiDve searching


What the Web wants

We are already doing a lot of this…

1.   Size

2.   Familiar structures

3.   A network of links

4.   EnEty idenEfiers

schema.org

VIAF

= AggregaEon

= Linked Data

= Referrals

= IdenEfiers


1. Size & AggregaKon


How does a library contribute to all of this?

1. Register

2. Aggregate

Add your holdings to the network

Manage idenEfiers:

AuthoriDes InsDtuDons

3. Expose

person place

object concept

organizaEon work work


? !

The world’s libraries. Connected. What the Web wants…

h\p://www.theeuropeanlibrary.org/tel4/newsitem/5350

“… more than 80 per cent of these visitors coming from search engines …”


Tell them about our resources… …using their language and methods

Linked Data The Web

Data Schema.org

h\p://www.flickr.com/photos/boston_public_library/6220572487


WorldCat Linked Data

Linked Data •  311+ million data resources •  Schema.org •  Embedded RDFa •  Links to Dewey, LCSH, LCNAF, DOI, VIAF, FAST

•  ODC-‐BY license •  June 2012 •  ConDnuing development:

•  Vocabulary, Content-‐negoDaDon, More Links •  Works …


How we are sharing with the web

What the web gets: • WorldCat 311M+ • Schema.org • VIAF, LCSH, Dewey, … • WorldCat persistent idenEfiers (URIs)

Some things the web wants: 1.   Size 2.   Familiar structures 3.   A network of links 4.   EnEty idenEfiers


Part of the Web of Data


Part of the Web of Data

Worldcat.org/oclc/81453459 The Hidden Face of Eve

h\p://viaf.org/viaf/84254254/ Nawal El Saadawi

h\p://www.wikidata.org/wiki/Q238514 Nawal El Saadawi

h\p://isni-‐url.oclc.nl/isni/0000000120296695 Nawal El Saadawi

author

sameAs

sameAs

sameAs

VIAF


BIBFRAME

Bibliographic Framework as a Web of Data:

It is the foundation for the future of bibliographic description that happens on, in,

and as part of the web and the networked world we live in.

h\p://www.bibframe.org


h\p://www.bibframe.org


≈ Complementary ≈

bibliographic description as part of the web

? Conflict ?

@FascinaDngpics h\p://www.flickr.com/photos/54136840@N00/4921290518/


WorldCat Works Linked Data

Works

•  197+ million Work descripDons and URIs •  Schema.org •  RDF Data formats – RDF/XML, Turtle, Triples, JSON-‐LD

•  Links to WorldCat manifestaDons •  Links to Dewey, LCSH, LCNAF, VIAF, FAST •  Open Data license •  Released April 2014


WorldCat Works Linked Data

Single ManifestaDon

MulDple ManifestaDons

197 Million Work DescripEons

Linking to 311 Million ManifestaEons

A Web of Data Hubs of Authority

in Sekng Context


Amazon.com

WorldCat.org

My University

My Library

Wikipedia.org



Web of Data Web

Building a Web of Data


We all need to parEcipate

Building a Web of Data

Linking to all and

all their resources


Opportunity to

connect users

with our resources


NASIG 2014 – Fort Worth, TX

The Power of Sharing Linked Data Giving the Web What it Wants

Richard Wallis Technology Evangelist OCLC @rjw

Slideshare.net/rjw

The Power of Sharing Linked Data (NASIG)

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