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

!
?

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

Scribe
OPAC

Card

Catalog

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

?
!

What
the
Web
wants…

hp://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

hp://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

hp://viaf.org/viaf/84254254/

Nawal
El
Saadawi

hp://www.wikidata.org/wiki/Q238514

Nawal
El
Saadawi

hp://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.
hp://www.bibframe.org

hp://www.bibframe.org

≈

Complementary

≈

bibliographic description as part of the web

?

Conﬂict

?

@FascinaDngpics
hp://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

The Power of Sharing Linked Data (NASIG)

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

Scribe
OPAC

Card

Catalog

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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