Linked data: not just theory

Linked Data:
Not Just Theory

Richard Wallis
Technology Evangelist
@rjw

http://consulting.talis.com
Wednesday, 2 November 11

Linked Data:
Not Just Theory

Richard Wallis
Technology Evangelist
@rjw

.

Leading Semantic Web
Technology


40 Year Rich
Metadata Heritage

Technology


Shared Innovation
Ethos

40 Year Rich
Metadata Heritage

Technology


The Web

http://www.ﬂickr.com/photos/dullhunk/359634390


What Theory?

The Web

http://www.ﬂickr.com/photos/dullhunk/359634390


The Web


The Web

HTML


The Web

URL
HTML


The Web

URL
HTML http


The Web
Microformats RDFa Ajax
JQuery XML JSON
CSS3 URL
Javascript
CSS http Flash
HTML
HTML5 DOM SEO

The Web

HTML http URL


The Web
HTML http URL
Text text text
text text link
text. Text, text
text text, text.
Text text - text
text - text text
text.
Document


The Web
HTML http URL
Text text text Text text text
text text link text text.Text:
text. Text, text • link
text text, text. • link
Text text - text Text text, text.
text - text text Text text - link
text. text - text text.
Document Document


The Web
HTML http m /page1
URL
a mple.co
h ttp://ex

Document Document


The Web
HTML http URL

list
k/
.u
/page1

.co
m
a mple.co

eg
h ttp://ex

://
tp

ht
Document Document


The Web

http://example.com/page1 http://eg.co.uk/list
Link


The Web

http://www.ﬂickr.com/photos/leapkye/4407661949


The Web
Powerful

http://www.ﬂickr.com/photos/leapkye/4407661949


The Web
Powerful

Link
Link
Link
Link
Link
Link

Linking at it’s core
©workhorse.com


The Semantic Web


The Semantic Web
A i

e s s
p r
a d
a b
o t
G Flying Cars Technology


Linked Data


Linked Data
Built on Semantic Web Standards


Linked Data
Built on Semantic Web Standards
All about identifying and linking things

Thi ng


Identifying things


Identifying things

1969-059A


Identifying things

1969-059A
spacecraft/1969-059A


Identifying things

1969-059A
nasa.dataincubator.org/spacecraft/1969-059A


Identifying things
with URIs

1969-059A
nasa.dataincubator.org/spacecraft/1969-059A
http://nasa.dataincubator.org/spacecraft/1969-059A


Things have attributes



28801.0kg



28801.0kg
Columbia



28801.0kg
Columbia
Apollo 11 CSM
CSM-107
United States
Cape Canaveral
Saturn 5



.../spacecraft/
1969-059A


28801.0

mass .../spacecraft/
1969-059A


Apollo 11 CSM

28801.0
name

1969-059A


Apollo 11 CSM Columbia

name
28801.0 name
1969-059A



name
28801.0 name
1969-059A
launch

../launch/1969-059



name
28801.0 name
mass .../spacecraft/ 16 July 1969
1969-059A
launch
date
../launch/1969-059



name
28801.0 name
1969-059A
launch
date
../launch/1969-059

site

../cape
canaveral



name
28801.0 name
1969-059A
launch
date
../launch/1969-059

site

../cape
canaveral lat

N 28° 27' 31''



name
28801.0 name
1969-059A
launch
date
../launch/1969-059

site

../cape
canaveral lat

N 28° 27' 31''
long
W 80° 31' 59''



name
28801.0 name
1969-059A
launch
date
../launch/1969-059
<../1969-059A> mass 28801.0 . site
<../1969-059A> name “Apollo 11 CSM” .
<../1969-059A> name “Columbia” .
../cape
<../1969-059A> launch <../launch/1969-059> . canaveral lat
<../launch/1969-059> date 1969-07-16 .
<../launch/1969-059> site <..site/capecanaveral> . N 28° 27' 31''
long
<..site/capecanaveral> lat “N 28° 27' 31''” .
<..site/capecanaveral> long “W 80° 31' 59''” . W 80° 31' 59''


RDF

name
28801.0 name
1969-059A
launch
date
../launch/1969-059
<../1969-059A> mass 28801.0 . site
<../1969-059A> name “Apollo 11 CSM” .
<../1969-059A> name “Columbia” .
../cape
<../1969-059A> launch <../launch/1969-059> . canaveral lat
<../launch/1969-059> date 1969-07-16 .
<../launch/1969-059> site <..site/capecanaveral> . N 28° 27' 31''
long
<..site/capecanaveral> lat “N 28° 27' 31''” .
<..site/capecanaveral> long “W 80° 31' 59''” . W 80° 31' 59''


RDF Triple


RDF Triple

Thing attribute value


RDF Triple

Thing property value


RDF Triple

Thing property Thing


RDF Triple


../person/A


RDF Triple


../person/A hasParent


RDF Triple


../person/A hasParent ../person/B


RDF Triple



../person/B


RDF Triple



../person/B name


RDF Triple



../person/B name “Eric”


RDF Triple
Merging



../person/B name “Eric”


RDF Triple
Merging


../person/A hasParent ../person/B name “Eric”


RDF Triple
Merging


RDF Triple
Merging

The same identiﬁer in a different
place is still the same thing

Putting the theory in to practice

http://www.ﬂickr.com/photos/stuartpilbrow/3449993951


http://www.ﬂickr.com/photos/jolieodell/4540783805


British Library Data Model
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . Series Publication Events Key
event:Event
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
bibo:Series foaf:Agent External
@prefix dct: <http://purl.org/dc/terms/> . dcterms:Agent An Instance Link
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix isbd: <http://iflastandards.info/ns/isbd/elements/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> . MARC country code rdfs:subClassOf
A Class A Literal
@prefix bibo: <http://purl.org/ontology/bibo/> . URI
@prefix rda: <http://RDVocab.info/ElementsGr2/> . a
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . a geo:SpatialThing rdfs:label blt:PublicationEvent
@prefix blt: <http://data.bl.uk/schema/bibliographic#> . rdfs:label foaf:focus
@prefix bio: <http://purl.org/vocab/bio/0.1/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
bibo:issn
Author
@prefix event: <http://purl.org/NET/c4dm/event.owl#> . rdfs:label
@prefix org: <http://www.w3.org/ns/org#> . Agent bio:Birth
Series GeoNames URI a BL URI
@prefix geo: <http://www.w3.org/2003/01/geo/wgs84_pos#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> . BL URI
event:place
Place a
BL URI bio:Death a
LCSH URI if
available CalendarYear
event:agent bio:date
dct:isPartOf
event:place bio:date a
id.loc.gov URI for owl:sameAs a Birth BL URI
scheme rdfs:label
skos:inScheme
http://r.d.g/id/year/ Death BL URI
Topic LCSH dct:hasPart xxxx foaf:family_name
BL URI event:time PublicationEvent
a BL URI
blt:TopicLCSH
foaf:givenname
bio:event
rdfs:label
dct:BibliographicResource bio:event
rdfs:label foaf:name

rdfs:label bibo:Book
Person-as-Concept Person-as-Agent
rdfs:subClassOf a dct:subject BL URI
BL URI a foaf:Agent
a dct:Agent
blt:PersonConcept blt:publication foaf:Person
skos:inScheme foaf:focus a dct:creator
owl:sameAs
rdfs:subClassOf id.loc.gov URI for rdfs:label
scheme rdfs:label rda:periodOfActivityOfThePerson
dct:subject
Skos:Concept dct:contributor
Family-as-Concept Resource VIAF URI if available
BL URI dct:subject
BL URI
rdfs:subClassOf dct:creator
a
Organization-as-Agent BL
skos:inScheme foaf:focus URI
blt:FamilyConcept dct:contributor
dct:subject
Family-as-Agent a
id.loc.gov URI for BL URI
scheme rdfs:label
[foaf:name]
rdfs:subClassOf foaf:Agent
dct:language dct:Agent
rdfs:label foaf:focus foaf:Organization
org:Organization

Organization-as-Concept Lexvo URI blt:bnb
blt:OrganizationConcept a dct:subject bibo:isbn10
BL URI bibo:isbn13
rdfs:label dct:subject dct:abstract
skos:inScheme foaf:focus
dct:tableOfContents
rdfs:subClassOf
isbd:P1008 dct:title
Identifiers
id.loc.gov URI for MARC language
code URI (edition statement)
scheme dct:spatial dct:alternative
blt:TopicDDC isbd:P1073 dct:description
a Dewey (note on language)
BL URI
isbd:P1042
skos:inScheme (content note)
Dewey Info URI for skos:broader
isbd:P1053
(extent) Title
skos:notation
scheme Place-as-Concept
BL URI foaf:focus
Place-as-Thing
Dewey Info URI BL URI
a
owl:sameAs rdfs:label
rdfs:label
Miscellaneous literals
a
rdfs:subClassOf
blt:PlaceConcept LCSH URI if
Subject available geo:SpatialThing
Tim Hodson - tim.hodson@talis.com
Corine Deliot - Corine.Deliot@bl.uk
dct:Location Alan Danskin - Alan.Danskin@bl.uk
V.1.00 Heather Rosie - Heather.Rosie@bl.uk
12th July 2011 Jan Ashton - Jan.Ashton@bl.uk


British Library Data Model
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . Series Publication Events Key
event:Event
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
bibo:Series foaf:Agent External
@prefix dct: <http://purl.org/dc/terms/> . dcterms:Agent An Instance Link
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix isbd: <http://iflastandards.info/ns/isbd/elements/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> . MARC country code rdfs:subClassOf
A Class A Literal
@prefix bibo: <http://purl.org/ontology/bibo/> . URI
@prefix rda: <http://RDVocab.info/ElementsGr2/> . a
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . a geo:SpatialThing rdfs:label blt:PublicationEvent
@prefix blt: <http://data.bl.uk/schema/bibliographic#> . rdfs:label foaf:focus
@prefix bio: <http://purl.org/vocab/bio/0.1/> .
@prefix foaf: <http://xmlns.com/foaf/0.1/> .
bibo:issn
Author
@prefix event: <http://purl.org/NET/c4dm/event.owl#> . rdfs:label
@prefix org: <http://www.w3.org/ns/org#> . Agent bio:Birth
Series GeoNames URI a BL URI
@prefix geo: <http://www.w3.org/2003/01/geo/wgs84_pos#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> . BL URI
event:place
Place a
BL URI bio:Death a
LCSH URI if
available CalendarYear
event:agent bio:date
dct:isPartOf
event:place bio:date a
id.loc.gov URI for owl:sameAs a Birth BL URI
scheme rdfs:label
skos:inScheme
http://r.d.g/id/year/ Death BL URI
Topic LCSH dct:hasPart xxxx foaf:family_name
BL URI event:time PublicationEvent
a BL URI
blt:TopicLCSH
foaf:givenname
bio:event
rdfs:label
dct:BibliographicResource bio:event
rdfs:label foaf:name

rdfs:label bibo:Book
Person-as-Concept Person-as-Agent
rdfs:subClassOf a dct:subject BL URI
BL URI a foaf:Agent
a dct:Agent
blt:PersonConcept blt:publication foaf:Person
skos:inScheme foaf:focus a dct:creator
owl:sameAs
rdfs:subClassOf id.loc.gov URI for rdfs:label
scheme rdfs:label rda:periodOfActivityOfThePerson
dct:subject
Skos:Concept dct:contributor
Family-as-Concept Resource VIAF URI if available
BL URI dct:subject
BL URI
rdfs:subClassOf dct:creator
a
Organization-as-Agent BL
skos:inScheme foaf:focus URI
blt:FamilyConcept dct:contributor
dct:subject
Family-as-Agent a
id.loc.gov URI for BL URI
scheme rdfs:label
[foaf:name]
rdfs:subClassOf foaf:Agent
dct:language dct:Agent
rdfs:label foaf:focus foaf:Organization
org:Organization

Organization-as-Concept Lexvo URI blt:bnb
blt:OrganizationConcept a dct:subject bibo:isbn10
BL URI bibo:isbn13
rdfs:label dct:subject dct:abstract
skos:inScheme foaf:focus
dct:tableOfContents
rdfs:subClassOf
isbd:P1008 dct:title
Identifiers
id.loc.gov URI for MARC language
code URI (edition statement)
scheme dct:spatial dct:alternative
blt:TopicDDC isbd:P1073 dct:description
a Dewey (note on language)
BL URI
isbd:P1042
skos:inScheme (content note)
Dewey Info URI for skos:broader
isbd:P1053
(extent) Title
skos:notation
scheme Place-as-Concept
BL URI foaf:focus
Place-as-Thing
Dewey Info URI BL URI
a
owl:sameAs rdfs:label
rdfs:label
Miscellaneous literals
a
rdfs:subClassOf
blt:PlaceConcept LCSH URI if
Subject available geo:SpatialThing
Tim Hodson - tim.hodson@talis.com
Corine Deliot - Corine.Deliot@bl.uk
dct:Location Alan Danskin - Alan.Danskin@bl.uk

http://www.bl.uk/bibliographic/pdfs/datamodelv1_01.pdf
V.1.00 Heather Rosie - Heather.Rosie@bl.uk
12th July 2011 Jan Ashton - Jan.Ashton@bl.uk


http://consulting.talis.com/bl

BNB


http://linkeddata.org/

http://www.ﬂickr.com/photos/richardwallis/1768007630


Where are we going?



Where are we going?
Towards a Web of Data



Where are we going?
A Web of Open/Commercial/Enterprise Data



Where are we going?
A Web of Pages/Concepts/Descriptions/..



Where are we going?
A Web of Things



More?

http://www.ﬂickr.com/photos/gerlos/3119891607


Linked data: not just theory

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