WorldCat, Works, and Schema.org

LODLAM Training Day – Semantic Technology & Business Conference 19 August 2014 – San Jose, CA

Richard Wallis

WorldCat, Works, and Schema.org

Technology Evangelist

@rjw

• 322+ Million Bibliographic Records

• 322+ Million Bibliographic Records• 485 Languages

• 322+ Million Bibliographic Records• 485 Languages• Cooperatively managed by thousands of libraries

• 322+ Million Bibliographic Records• 485 Languages• Cooperatively managed by thousands of libraries• Linked Data from worldcat.org since 2012

o Links to VIAF, FAST, LCSH, LCNAF, Deweyo RDFa, RDF/XML, JSON-‐LD, Turtle, n-‐tripleso Schema.org based



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• Data mined from WorldCat data & linked resources

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• Data mined from WorldCat data & linked resources• Canonical Work identifiers – URIs

o Authorities for Works

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o Authorities for Works• Context set within network of authoritative hubs

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o Authorities for Works• Context set within network of authoritative hubs • 1st of several upcoming WorldCat Entities

o Person, Place, Organization, ….April 201

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o Person, Place, Organization, ….• Schema.org Linked Data

o RDFa, RDF/XML, JSON-‐LD, Turtle, n-‐triples

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• Backed by major search engineso Google, Bing, Yahoo!, Yandex

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• Launched 2011

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• Launched 2011• Broad vocabulary for the Web

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• Launched 2011• Broad vocabulary for the Web• 15% of Web – Millions of sites

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$curl -L -H "Accept: application/ld+json" http://worldcat.org/oclc/52541937

$curl -L -H "Accept: application/ld+json" http://worldcat.org/oclc/52541937

{ "@graph" : [ { "@id" : "j.3:New_York_City", "schema:name" : "New York", "rdf:type" : { "@id" : "schema:Place" } }, { "@id" : "http://dewey.info/class/940.3/e22/", "rdf:type" : { "@id" : "schema:Intangible" } }, { "@id" : "http://dewey.info/class/940.400222/e21/", "rdf:type" : { "@id" : "schema:Intangible" } }, { "@id" : "http://experiment.worldcat.org/entity/work/data/1363251773#Agent/dk_pub", "schema:name" : "DK Pub.", "rdf:type" : { "@id" : "j.0:Agent" } }, { "@id" : "http://viaf.org/viaf/41848014", "schema:familyName" : "Willmott", "schema:givenName" : "H. P.",

$ curl -L -H "Accept: text/turtle" http://worldcat.org/oclc/52541937

$ curl -L -H "Accept: text/turtle" http://worldcat.org/oclc/52541937

<http://www.worldcat.org/oclc/52541937> a schema:Book ; library:oclcnum 52541937 ; library:placeOfPublication j.3:New_York_City , <http://id.loc.gov/vocabulary/countries/nyu> ; schema:about <http://id.loc.gov/authorities/subjects/sh2008113839> , <http://experiment.worldcat.org/entity/work/data/1363251773#Event/1914_1918> , <http://dewey.info/class/940.3/e22/> , <http://dewey.info/class/940.400222/e21/> , <http://id.worldcat.org/fast/1180746> ; schema:bookEdition "1st American ed." ; schema:creator <http://viaf.org/viaf/41848014> ; schema:datePublished "2003" ; schema:description "A visual guide to the causes, battles, and forces of World War I."@en ; schema:exampleOfWork <http://worldcat.org/entity/work/id/1363251773> ; schema:genre "Pictorial works"@en , "Pictorial works."@en ; schema:inLanguage "en" ; schema:name "World War 1"@en , "World War I"@en , "World War One"@en ; schema:numberOfPages "319" ; schema:publisher <http://experiment.worldcat.org/entity/work/data/1363251773#Agent/dk_pub> ; schema:url <http://www.worldcat.org/title/-/oclc/52541937> ; schema:workExample <http://worldcat.org/isbn/9780789496270> ; owl:sameAs <info:oclcnum/52541937> .

<http://viaf.org/viaf/41848014> a schema:Person ; schema:familyName "Willmott" ;

schema:exampleOfWork <http://worldcat.org/entity/work/id/1363251773> ;

curl -L -H "Accept: text/turtle" http://worldcat.org/entity/work/id/1363251773

curl -L -H "Accept: text/turtle" http://worldcat.org/entity/work/id/1363251773

@prefix schema: <http://schema.org/> .@prefix j.0: <http://www.productontology.org/id/> .@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .@prefix void: <http://rdfs.org/ns/void#> .

<http://worldcat.org/entity/work/id/1363251773> a schema:CreativeWork , schema:Book ; schema:about <http://experiment.worldcat.org/entity/work/data/1363251773#Topic/wojna_swiatowa_1914_1918_wydawnictwa_ilustrowane> , <http://experiment.worldcat.org/entity/work/data/1363251773#Meeting/world_war_1914_1918> , <http://id.worldcat.org/fast/1180746> , <http://experiment.worldcat.org/entity/work/data/1363251773#Topic/den_1_verdenskrig> , <http://id.loc.gov/authorities/subjects/sh85148236> , <http://id.worldcat.org/fast/1710190> , <http://experiment.worldcat.org/entity/work/data/1363251773#Topic/svetovna_vojna_1914_1919_zgodovina> , <http://experiment.worldcat.org/entity/work/data/1363251773#Event/1910_1919> , <http://experiment.worldcat.org/entity/work/data/1363251773#Event/1914_1918> , <http://experiment.worldcat.org/entity/work/data/1363251773#Topic/historie> , <http://id.loc.gov/authorities/subjects/sh2008113839> , <http://experiment.worldcat.org/entity/work/data/1363251773#Topic/world_war_1914_1918> , <http://experiment.worldcat.org/entity/work/data/1363251773#Topic/weltkrieg_1914_1918> , <http://id.loc.gov/authorities/subjects/sh85148240> , <http://experiment.worldcat.org/entity/work/data/1363251773#Topic/world_war_1914_1918_pictorial_works> ; schema:author <http://viaf.org/viaf/41848014> , <http://id.loc.gov/authorities/names/n80153162> ; schema:contributor <http://viaf.org/viaf/41848014> , <http://id.loc.gov/authorities/names/n80153162> ;

STOP PRESS

STOP PRESS

Latest release v1.9 (18 Aug 2014)Includes significant extensions from SchemaBibEx Group

STOP PRESS


• Periodicals – Periodical, PublicationIssue, PublicationVolume, startPage, endPage, pagination

STOP PRESS



• Multi-‐part creative works – isPartOf, hasPart

STOP PRESS



• Multi-‐part creative works – isPartOf, hasPart

• Creative work relationships – exampleOfWork, workExample

Linked Data

Linked DataWhy?

Linked DataWhy?

Why do libraries catalogue?

Linked DataWhy?

Why do libraries catalogue?So people can find their stuff!

Linked DataWhy?


Why should we adopt Linked Data?y

Open

Linked DataWhy?


Why should we adopt Linked Data?So people can find our stuff!

Open

Linked Data

• A Technology• Standard on the Web – RDF, URIs, Vocabularies• Identifying and Linking resources on the Web• Important powerful enabling technology

Linked Data


• But only a technology…

Linked Data


• But only a technology… for the systems folks to worry about

Linked Data


• But only a technology… for the systems folks to worry about• Real benefits flow from:

Entity Based Data Architecture

Linked Data


• But only a technology… for the systems folks to worry about• Real benefits flow from:

Entity Based Data Architecture Powered by Linked Data

Linked Data

Entity Based Data

Entity Based Data on the Web


Knowledge Graphs


Knowledge Graphs

Semantic Search

… beneficial effects for libraries


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


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

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

The OCLC Approach

The OCLC ApproachIdentify the entities in your data


First, model what is if interest to the Web


First, model what is if interest to the Web

Share the way the Web does

OCLC Entity Based Data Strategy

OCLC Entity Based Data Strategy✓ VIAF, ISNI, FAST Publish Linked Data

✓WorldCat.org Linked Data Release – using Schema.org2012


✓WorldCat.org Linked Data Release – using Schema.org

✓ Internal agreement on data strategy2012

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✓ Internal agreement on data strategy

✓ Evangelism

2012

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✓ Evangelism

✓ Research & Design with Data Architecture Group

2012

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✓ Evangelism


✓ Data mining of WorldCat resources

2012

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✓ Evangelism



✓WorldCat Works Released

2012

2014

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✓ Evangelism




2012

2014➢Application Integration

➢WorldCat Discovery

➢Analytics

➢Discovery API

➢Cataloging

2015

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✓ Evangelism




2012



➢Analytics

➢Discovery API

➢Cataloging

2015

➢More Entities Released

➢Person

➢Organization

➢Event

➢Concept

2013




✓ Evangelism




2012



➢Analytics

➢Discovery API

➢Cataloging

2015


➢Person

➢Organization

➢Event

➢Concept

➢New Products ➢New Services

2013

2016




✓ Evangelism




2012



➢Analytics

➢Discovery API

➢Cataloging

2015


➢Person

➢Organization

➢Event

➢Concept

➢New Products

➢Continuing Evangelism

➢New Services

➢Continuing Innovation

2013

2016

Explore. Share. Magnify.

Richard WallisTechnology Evangelist

[email protected]

@rjw

WorldCat, Works, and Schema.org

WorldCat, Works, and Schema.org

Technology

Transcript of WorldCat, Works, and Schema.org