1.
Richard
Wallis
OCLC
Technology
Evangelist
@rjw
Web
Driven
Revolution
For
Library
Data
Washington,
DC
28th
April
2015

2.
Image
courtesy
of:
Shropshire
County
Council1779
(c.)
The Industrial Revolution

3.
The
Web
of
…

4.
The
Web
of
…
Documents

5.
The
Web
of
…
Documents
Active
Documents

6.
The
Web
of
…
Documents
Active
Documents
Discovery ☌

7.
The
Web
of
…
Documents
Active
Documents
Discovery
Data
☌☌

8.
The
Web
of
…
Documents
Active
Documents
Discovery
Data
☌☌

9.
The
Web
of
…
Documents
Active
Documents
Discovery
Data
☌☌
✔

10.
The
Web
of
…
Documents
Active
Documents
Discovery
Data
☌☌
✔
✔

11.
The
Web
of
…
Documents
Active
Documents
Discovery
Data
☌☌
✔
✔
✗

12.
The
Web
of
…
Documents
Active
Documents
Discovery
Data
☌☌
✔
✔
✔✗
✗

13.
The
Web
of
…
Documents
Active
Documents
Discovery
Data
Knowledge
☌☌
✔
✔
✔✗
✗☌

14.
The
Web
of
…
Documents
Active
Documents
Discovery
Data
Knowledge
☌☌
✔
✔
✔✗
✗
?
☌

15.
http://www.opte.org/
The
Web
of
Data

16.
http://www.opte.org/
The
Web
of
Data
A
Web
of
related
entities

17.
http://www.opte.org/
The
Web
of
Data

18.
http://www.opte.org/
The
Web
of
Data
A
Library
Shaped
Black
Hole
?

19.
record
/ˈrɛkɔːd/
noun
!
a
thing
constituting
a
piece
of
evidence
about
the
past,
especially
an
account
kept
in
writing
or
some
other
permanent
form.

20.
entity
/ˈɛntɪti/
noun
a
thing
with
distinct
and
independent
existence.

21.
entity
/ˈɛntɪti/
noun
a
thing
with
distinct
and
independent
existence.
relationship
/rɪˈleɪʃ(ə)nʃɪp/
noun
the
way
in
which
two
or
more
people
or
things
are
connected

22.
Record
Title:
"War
and
Peace"
Author:
"Leo
Tolstoy
1828-­‐1910"
ISBN:
0307266931
Type:
Work
Name:
"War
and
Peace"
Author:
http://worldcat.org/entity/person/id/1234
Entity
(http://worldcat.org/entity/work/id/115206288)

23.
Record
Title:
"War
and
Peace"
Author:
"Leo
Tolstoy
1828-­‐1910"
ISBN:
0307266931
Type:
Work
Name:
"War
and
Peace"
Author:
http://worldcat.org/entity/person/id/1234
Entity
(http://worldcat.org/entity/work/id/115206288)

24.
Record
Title:
"War
and
Peace"
Author:
"Leo
Tolstoy
1828-­‐1910"
ISBN:
0307266931
Type:
Work
Name:
"War
and
Peace"
Author:
http://worldcat.org/entity/person/id/1234
Entity
(http://worldcat.org/entity/work/id/115206288)
Type:
Person
Name:
"Leo
Tolstoy
"
Born:
1828
Died:
1910
Birthplace:
http://worldcat.org/entity/place/id/8976
Entity
(http://worldcat.org/entity/person/id/1234)
⤵

25.
Record
Title:
"War
and
Peace"
Author:
"Leo
Tolstoy
1828-­‐1910"
ISBN:
0307266931
Type:
Work
Name:
"War
and
Peace"
Author:
http://worldcat.org/entity/person/id/1234
Entity
(http://worldcat.org/entity/work/id/115206288)
Type:
Person
Name:
"Leo
Tolstoy
"
Born:
1828
Died:
1910
Birthplace:
http://worldcat.org/entity/place/id/8976
Entity
(http://worldcat.org/entity/person/id/1234)
Type:
Place
Name:
"Yasnaya
Polyana"
SameAs:
http://geonames.org/468686
Entity
(http://worldcat.org/entity/place/id/8976)
⤵
⤵
⟶

26.
Many great LD Projects
So today …..
Where are we on the web?

27.
Where are we on the web?

28.
Invisible on the web!

29.
Invisible on the web!

30.
Open
Linked
Data
-­‐
Silos
Library
Linked
Data

31.
British
Library
German
National
Library
Spanish
National
Library
Swedish
National
Library
Open
Linked
Data
-­‐
Silos
Library
Linked
Data

32.
British
Library
German
National
Library
Spanish
National
Library
Swedish
National
Library
Open
Linked
Data
-­‐
Silos
Library
Linked
Data

33.
British
Library
German
National
Library
Spanish
National
Library
Swedish
National
Library
Open
Linked
Data
-­‐
Silos
Library
Linked
Data

34.
British
Library
German
National
Library
Spanish
National
Library
Swedish
National
Library
Open
Linked
Data
-­‐
Silos
Library
Linked
Data

35.
British
Library
German
National
Library
Spanish
National
Library
Swedish
National
Library
Open
Linked
Data
-­‐
Silos
Library
Linked
Data

36.
British
Library
German
National
Library
Spanish
National
Library
Swedish
National
Library
Open
Linked
Data
-­‐
Silos
Behind
A
Vocabulary
Barrier
Library
Linked
Data

37.
A
general
purpose
vocabulary
for
describing
things
on
the
web

38.
A
general
purpose
vocabulary
for
describing
things
on
the
web
"Used
by
5
million
domains"

39.
A
general
purpose
vocabulary
for
describing
things
on
the
web
"Used
by
5
million
domains" "25%
of
pages
in
our
indexes"

40.
A
general
purpose
vocabulary
for
describing
things
on
the
web
"Used
by
5
million
domains" "25%
of
pages
in
our
indexes"
"15%
of
the
Web"

41.
A
general
purpose
vocabulary
for
describing
things
on
the
web
"Used
by
5
million
domains" "25%
of
pages
in
our
indexes"
de
facto
y
"15%
of
the
Web"

42.
A
general
purpose
vocabulary
for
describing
things
on
the
web
"Used
by
5
million
domains" "25%
of
pages
in
our
indexes"
de
facto
y
• Linked
Data
"15%
of
the
Web"

43.
A
general
purpose
vocabulary
for
describing
things
on
the
web
"Used
by
5
million
domains" "25%
of
pages
in
our
indexes"
de
facto
y
• Linked
Data
• Embedded
in
HTML
"15%
of
the
Web"

44.
A
general
purpose
vocabulary
for
describing
things
on
the
web
"Used
by
5
million
domains" "25%
of
pages
in
our
indexes"
de
facto
y
• Linked
Data
• Embedded
in
HTML
• RDFa,
Microdata,
JSON-­‐LD
"15%
of
the
Web"

45.
A
general
purpose
vocabulary
for
describing
things
on
the
web
"Used
by
5
million
domains" "25%
of
pages
in
our
indexes"
de
facto
y
• Linked
Data
• Embedded
in
HTML
• RDFa,
Microdata,
JSON-­‐LD
• Descriptive
data
"15%
of
the
Web"

46.
A
general
purpose
vocabulary
for
describing
things
on
the
web
"Used
by
5
million
domains" "25%
of
pages
in
our
indexes"
de
facto
y
• Linked
Data
• Embedded
in
HTML
• RDFa,
Microdata,
JSON-­‐LD
• Descriptive
data
• Active
links
"15%
of
the
Web"

47.
• Foundation
for
the
future
of
bibliographic
description

48.
• Foundation
for
the
future
of
bibliographic
description
• Eventual
replacement
for
Marc
21

49.
• Foundation
for
the
future
of
bibliographic
description
• Eventual
replacement
for
Marc
21
• Identify
information
entities

50.
• Foundation
for
the
future
of
bibliographic
description
• Eventual
replacement
for
Marc
21
• Identify
information
entities
• Conversion
from
Marc

51.
• Foundation
for
the
future
of
bibliographic
description
• Eventual
replacement
for
Marc
21
• Identify
information
entities
• Conversion
from
Marc
• Publish
in
RDF
–
Linked
Data

52.
• Foundation
for
the
future
of
bibliographic
description
• Eventual
replacement
for
Marc
21
• Identify
information
entities
• Conversion
from
Marc
• Publish
in
RDF
–
Linked
Data
• White
Paper
Common Ground: Exploring Compatibilities between the
Linked Data Models of the Library of Congress and OCLC
http://oc.lc/CommonGround

53.
Why
Catalog?

54.
Why
Catalog?
So
we
can
find
things

55.
Why
Catalog?
So
we
can
find
things
Why
Share
on
the
Web?

56.
Why
Catalog?
So
we
can
find
things
Why
Share
on
the
Web?
So
today’s
users
can
find
our
things

57.
Where
are
our
users?

58.
Where
are
our
users?

59.
Entities:
Getting
from
here
to
there

60.
Data from one
converted record does
not an entity make
Entities:
Getting
from
here
to
there

61.
Data from one
converted record does
not an entity make
Transformation
into
Linked
Data
is
just
a
beginning
…
• Mine
and
analyse
an
aggregate
Entities:
Getting
from
here
to
there

62.
Data from one
converted record does
not an entity make
Transformation
into
Linked
Data
is
just
a
beginning
…
• Mine
and
analyse
an
aggregate
• Identify,
map,
merge
-­‐
evidence
based
Entities:
Getting
from
here
to
there

63.
Data from one
converted record does
not an entity make
Transformation
into
Linked
Data
is
just
a
beginning
…
• Mine
and
analyse
an
aggregate
• Identify,
map,
merge
-­‐
evidence
based
• Relate
to
external
sources
Entities:
Getting
from
here
to
there

64.
Data from one
converted record does
not an entity make
Transformation
into
Linked
Data
is
just
a
beginning
…
• Mine
and
analyse
an
aggregate
• Identify,
map,
merge
-­‐
evidence
based
• Relate
to
external
sources
• Establish
the
entities
Entities:
Getting
from
here
to
there

65.
Entities
and
library
workflows
Discovery
The Name of the Rose
Summary:
The
year
is
1327.
Franciscans
in
a
wealthy
Italian
abbey
are
suspected
of
heresy,
and
Brother
William
of
Baskerville
arrives
to
investigate.
His
delicate
mission
is
suddenly
overshadowed
by
seven
bizarre
deaths
that
take
place
in
seven
days
and
nights
of
apocalyptic
terror.
Subjects
Borrowing
Options
eBooks
|
Printed
Books
|
Audio
Books
Other
Languages
!
Monastic
libraries
-­‐-­‐
Italy
–
Fiction
|
Semiotics
-­‐-­‐
Fiction

66.
http://www.opte.org/
A
Web
of
Data

67.
http://www.opte.org/
A
Web
of
Data

68.
person place
object concept
organization work
The
solution
starts
here.
The
library
knowledge
graph
A
graph
of
relationships

69.
person place
object concept
organization work
author
The
solution
starts
here.
The
library
knowledge
graph
A
graph
of
relationships

70.
person place
object concept
organization work
author
subject
The
solution
starts
here.
The
library
knowledge
graph
A
graph
of
relationships

71.
person place
object concept
organization work
author
subjectitem
availability
The
solution
starts
here.
The
library
knowledge
graph
A
graph
of
relationships

72.
The
library
knowledge
graph
A
graph
of
relationships
person place
object concept
organization work

73.
What
will
be
better?

74.
The
library
knowledge
graph
Lots
of
things….if
we
do
it
right.
ILL
and
AnalyticsCataloging
Discovery Integration
with
the
web
What
will
be
better?

75.
Entities
and
library
workflows
Cataloging
Cataloging
will
be
different…
▪ Managing
the
quality
of
Works
• Improving
clusters
▪ Managing
the
quality
of
Persons
• Links
to
works,
Other
IDs

76.
What
has
OCLC
done?

77.
What
has
OCLC
done?
So
what
progress
have
we
made?

78.
• 197+
million
Work
descriptions
and
URIs
• Schema.org
+
BiblioGraph.net
• RDF
Data
formats
• RDF/XML,
Turtle,
Triples,
JSON-­‐LD
• Links
to
WorldCat
manifestations
• Links
to
Dewey,
LCSH,
LCNAF,
VIAF,
FAST
• Open
Data
license
via
Linked
Data
Explorer
•
2015:
Discovery
API,
Metadata
API
• Released
April
2014
http://www.oclc.org/dataThe Work Entity

79.
• 98+
million
Person
descriptions
and
URIs
• Person
entities
with
authority:
20.2
million
• Person
entities
without
authority:
78.3
million
• Schema.org
+
BiblioGraph.net
• Harvested
from
WorldCat
data
and
enriched
from
other
hubs
RDF
Data
formats
• RDF/XML,
Turtle,
Triples,
JSON-­‐LD
• Links
to
WorldCat
Works.
Added
links
from
WC
Works.
• Open
Data
license
via
Linked
Data
Explorer
•
2015:
Linked
Data
Explorer,
Discovery
API
http://www.oclc.org/dataThe Person Entity

80.
Success

81.
Can
we
measure
impact?
Success

82.
Monthly
Unique
Visitors

83.
OCLC
Entity
Based
Data
Strategy
2012
2013
2010

84.
OCLC
Entity
Based
Data
Strategy
✓VIAF,
ISNI,
FAST
Publish
Linked
Data
✓WorldCat.org
Linked
Data
Release
–
using
Schema.org
✓Data
mining
of
WorldCat
resources
✓WorldCat
Works
Released
–
using
Schema.org
✓Schema.org
added
to
VIAF
RDF
✓WorldCat
Discovery
API
Returns
Schema.org
RDF
(Beta)
2012
2014
2013
2010

85.
OCLC
Entity
Based
Data
Strategy
✓VIAF,
ISNI,
FAST
Publish
Linked
Data
✓WorldCat.org
Linked
Data
Release
–
using
Schema.org
✓Data
mining
of
WorldCat
resources
✓WorldCat
Works
Released
–
using
Schema.org
✓Schema.org
added
to
VIAF
RDF
✓WorldCat
Discovery
API
Returns
Schema.org
RDF
(Beta)
2012
2014
➢Application
Integration
➢WorldCat
Discovery
➢Analytics
➢Discovery
API
➢Cataloging
2015
2013
2010

86.
OCLC
Entity
Based
Data
Strategy
✓VIAF,
ISNI,
FAST
Publish
Linked
Data
✓WorldCat.org
Linked
Data
Release
–
using
Schema.org
✓Data
mining
of
WorldCat
resources
✓WorldCat
Works
Released
–
using
Schema.org
✓Schema.org
added
to
VIAF
RDF
✓WorldCat
Discovery
API
Returns
Schema.org
RDF
(Beta)
2012
2014
➢Application
Integration
➢WorldCat
Discovery
➢Analytics
➢Discovery
API
➢Cataloging
2015
➢More
Entities
Released
➢Person
➢Organization
➢Event
➢Concept
2013
2010

87.
OCLC
Entity
Based
Data
Strategy
✓VIAF,
ISNI,
FAST
Publish
Linked
Data
✓WorldCat.org
Linked
Data
Release
–
using
Schema.org
✓Data
mining
of
WorldCat
resources
✓WorldCat
Works
Released
–
using
Schema.org
✓Schema.org
added
to
VIAF
RDF
✓WorldCat
Discovery
API
Returns
Schema.org
RDF
(Beta)
2012
2014
➢Application
Integration
➢WorldCat
Discovery
➢Analytics
➢Discovery
API
➢Cataloging
2015
➢More
Entities
Released
➢Person
➢Organization
➢Event
➢Concept
➢New
Products
➢Continuing
Evangelism
➢New
Services
➢Continuing
Innovation
2013
2016
2010

88.
!
Many great Library Linked
Data Initiatives

89.
but
!
Many great Library Linked
Data Initiatives

90.
but
!
Many great Library Linked
Data Initiatives
If
users
can't
discover
our
resources

91.
but
!
Many great Library Linked
Data Initiatives
If
users
can't
discover
our
resources
What
is
the
point?

92.
but
!
Many great Library Linked
Data Initiatives
If
users
can't
discover
our
resources
What
is
the
point?
Give
the
Web
what
it
wants!

93.
Linked
Data
has
benefits
for
library
workflows
….
….by
giving
the
Web
what
it
wants
Web
Driven
Revolution
For
Library
Data
We
Can
Lead
The

94.
Web
Driven
Revolution
For
Library
Data
We
Can
Lead
The

95.
Richard
Wallis
OCLC
Technology
Evangelist
@rjw
Web
Driven
Revolution
For
Library
Data
Washington,
DC
28th
April
2015

96.
Richard
Wallis
OCLC
Technology
Evangelist
@rjw
Web
Driven
Revolution
For
Library
Data
Washington,
DC
28th
April
2015
http://slideshare.net/rjw