the power of sharing linked data: bibliothekartag 2014

The world’s libraries. Connected.

Bibliothekartag 2014 - Bremen

The Power of Sharing Linked DataGiving the Web What it Wants

Richard WallisTechnology Evangelist

OCLC

@rjw

http://www.theeuropeanlibrary.org/tel4/newsitem/5350

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


Things not strings


Tell them about our resources……using their language and

methods

Linked DataThe Web

DataSchema.org

http://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• Continuing development:

• Vocabulary, Content-negotiation, More Links• Works …


How we are sharing with the web

What the web gets:

• WorldCat 311M+ • Schema.org• VIAF, LCSH, Dewey, …• WorldCat persistent

identifiers (URIs)

Some things the web wants:

1. Size

2. Familiar structures

3. A network of links

4. Entity identifiers


Part of the Web of Data


Part of the Web of Data

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

http://viaf.org/viaf/84254254/Nawal El Saadawi

http://www.wikidata.org/wiki/Q238514Nawal El Saadawi

http://isni-url.oclc.nl/isni/0000000120296695Nawal El Saadawi

author

sameAs

sameAs

sameAs

VIAF


15% Of Web

Use Schema.org

markup!


BIBFRAME

Bibliographic Framework as aWeb 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.

http://www.bibframe.org


http://www.bibframe.org


≈ Complementary ≈

bibliographic description as part of the web

? Conflict ?

@Fascinatingpicshttp://www.flickr.com/photos/54136840@N00/4921290518/


Stop Press


WorldCat Works Linked Data

Works

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

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


WorldCat Works Linked Data

Single Manifesta-tionMultiple Mani-festations

197 Million Work Descriptions

Linking to 311 Million Manifestations

The Route to Library Holdings

84% of WorldCat holding statements

(1.7 billion) associated with multi-

manifestation works


www.oclc.org/data

A Web of DataHubs of Authority

inSetting Context


Amazon.com

WorldCat.org

My University

My Library

Wikipedia.org


Scribe OPACCard Catalog

Web ofDataWeb

Building a Webof Data


We all need to participate

Building a Webof Data

Linking to alland

all their resources


Opportunity to

connect users

with our resources


Bibliothekartag 2014 - Bremen

The Power of Sharing Linked DataGiving the Web What it Wants

Richard WallisTechnology Evangelist

OCLC

@rjw