1. 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
6. The world’s libraries. Connected.
Today’s online informaKon seekers have many choices
• Select
• Acquire
• Describe
• Preserve
• Expose
7. The world’s libraries. Connected.
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?
8. The world’s libraries. Connected.
Scribe
OPAC
Card
Catalog
Web
of
Data
Web
EvoluEon
of
Metadata
Management
and
Library
Catalogs
9. The world’s libraries. Connected.
What the Web wants
What
is
required
to
join
the
web
of
data?
10. The world’s libraries. Connected.
What the Web wants
Some
things
the
web
wants:
1. Size
2. Familiar
structures
3. A
network
of
links
4. EnEty
idenEfiers
11. The world’s libraries. Connected.
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
12. The world’s libraries. Connected.
author
person
place
object
concept
organizaEon
work
subject
item
availability
library
data
stored
as
enEEes
13. The world’s libraries. Connected.
person
place
object
concept
organizaEon
work
library
data
stored
as
enEEes
library
knowledge
graph
A
graph
of
relaEonships
14. The world’s libraries. Connected.
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
15. The world’s libraries. Connected.
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”
16. The world’s libraries. Connected.
EvoluEon
of
Metadata
Management
and
Library
Catalogs
Scribe
OPAC
Card
Catalog
Web
of
Data
Web
person
place
object
concept
organizaEon
work
Web
of
Data
17. The world’s libraries. Connected.
person
place
object
concept
organizaEon
work
library
data
stored
as
enEEes
library
knowledge
graph
Works
FRBR:
Work
FRBR:
ManifestaDon
18. The world’s libraries. Connected.
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
19. The world’s libraries. Connected.
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
21. The world’s libraries. Connected.
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
27. The world’s libraries. Connected.
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
28. The world’s libraries. Connected.
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
…
30. The world’s libraries. Connected.
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
33. The world’s libraries. Connected.
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
36. The world’s libraries. Connected.
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
38. The world’s libraries. Connected.
≈
Complementary
≈
bibliographic description as part of the web
?
Conflict
?
@FascinaDngpics
hp://www.flickr.com/photos/54136840@N00/4921290518/
40. The world’s libraries. Connected.
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
41.
42.
43.
44. The world’s libraries. Connected.
WorldCat Works Linked Data
Single
ManifestaDon
MulDple
ManifestaDons
197
Million
Work
DescripEons
Linking
to
311
Million
ManifestaEons
53. 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
Slideshare.net/rjw