the power of sharing linked data (nasig)
DESCRIPTION
The Power of Sharing Linked Data: Giving the Web what it Wants. Presented to NASIG 2014 in Fort Worth, TX - May 2nd 2014TRANSCRIPT
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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
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The world’s libraries. Connected.
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The world’s libraries. Connected.
…where your users are?
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The world’s libraries. Connected.
! ?
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The world’s libraries. Connected.
Today’s online informaKon seekers have many choices
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The world’s libraries. Connected.
Today’s online informaKon seekers have many choices
• Select • Acquire • Describe • Preserve • Expose
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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?
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The world’s libraries. Connected.
Scribe OPAC Card Catalog
Web of Data Web
EvoluEon of Metadata Management and Library Catalogs
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The world’s libraries. Connected.
What the Web wants
What is required to join the web of data?
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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
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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
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The world’s libraries. Connected.
author person place
object concept
organizaEon work
subject item availability
library data stored as enEEes
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The world’s libraries. Connected.
person place
object concept
organizaEon work
library data stored as enEEes library knowledge graph
A graph of relaEonships
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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
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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”
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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
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The world’s libraries. Connected.
person place
object concept
organizaEon work
library data stored as enEEes library knowledge graph
Works
FRBR: Work
FRBR: ManifestaDon
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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
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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
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The world’s libraries. Connected.
1. Size & AggregaKon
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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
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The world’s libraries. Connected.
? !
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The world’s libraries. Connected. What the Web wants…
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The world’s libraries. Connected.
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h\p://www.theeuropeanlibrary.org/tel4/newsitem/5350
“… more than 80 per cent of these visitors coming from search engines …”
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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
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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 …
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The world’s libraries. Connected.
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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
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The world’s libraries. Connected.
Part of the Web of Data
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The world’s libraries. Connected.
Part of the Web of Data
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The world’s libraries. Connected.
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
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The world’s libraries. Connected.
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The world’s libraries. Connected.
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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.
h\p://www.bibframe.org
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The world’s libraries. Connected.
h\p://www.bibframe.org
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The world’s libraries. Connected.
≈ Complementary ≈
bibliographic description as part of the web
? Conflict ?
@FascinaDngpics h\p://www.flickr.com/photos/54136840@N00/4921290518/
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The world’s libraries. Connected.
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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
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The world’s libraries. Connected.
WorldCat Works Linked Data
Single ManifestaDon
MulDple ManifestaDons
197 Million Work DescripEons
Linking to 311 Million ManifestaEons
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The world’s libraries. Connected.
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A Web of Data Hubs of Authority
in Sekng Context
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The world’s libraries. Connected.
Amazon.com
WorldCat.org
My University
My Library
Wikipedia.org
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The world’s libraries. Connected.
Scribe OPAC Card Catalog
Web of Data Web
Building a Web of Data
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The world’s libraries. Connected.
We all need to parEcipate
Building a Web of Data
Linking to all and
all their resources
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The world’s libraries. Connected.
Opportunity to
connect users
with our resources
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The world’s libraries. Connected.
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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