t o tp centr al w eb- open- sem- meat later + fresh- ecs...

13
DBpedia RDF Book Mashup DBLP Berlin Revyu Project Guten- berg FOAF Geo- names Music- brainz e o World Fact- book DBLP Hannover SIOC Central Euro- stat ECS South- ampton Open- Guides Gov- Track US Census Data W3C WordNet flickr wrappr Wiki- company DBpedia Nucleus for a Web of Open Data Georgi Kobilarov, Piet Hensel, Richard Cyganiak , Chris Bizer Freie Universität Berlin

Upload: others

Post on 15-Jul-2020

4 views

Category:

Documents


0 download

TRANSCRIPT

Page 1: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

DBpedia

RDF Book Mashup

DBLPBerlin

Revyu

Project Guten-berg

FOAF

Geo-names

Music-brainz

DBtune

Jamendo

World

Fact-

book

DBLPHannover

SIOC

Sem-

Web-

Central

Euro-

stat

ECS

South-

ampton

BBCLater +TOTP

Fresh-meat

Open-

Guides

Gov-Track

US Census Data

W3CWordNet

flickrwrappr

Wiki-

company

DBpedia Nucleus for a Web of Open Data

Georgi Kobilarov, Piet Hensel, Richard Cyganiak, Chris Bizer

Freie Universität Berlin

Page 2: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

Wikipedia

2M+ English articles 160k people 70k places 35k music albums 12k movies 250+ languages

Page 3: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

Extracting structured information from Wikipedia

Page 4: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

■ Web links■ Categorization

■ More languages

■ Description

■ Title ■ Domain-specifc data

■ Images

■ Infoboxes

■ Typed links

Page 5: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

URIs in DBpedia

http://en.wikipedia.org/wiki/Leipzig

http://dbpedia.org/resource/Leipzighttp://dbpedia.org/resource/Leipzig

!"#$%&'

Leipzig is, with a population

of over 506,000, the largest

city in the federal state of

Saxony, Germany.

http://dbpedia.org/resource/SaxonyLeipzig

506578

51.3333333333

12.3833333333

p:staterdfs:label

p:einwohner

foaf:depiction

geo:lat

geo:longrdfs:comment

Page 6: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

A repository ofSemWeb/RDF

identifiers

http://dbpedia.org/resource/Leipzighttp://dbpedia.org/resource/Leipzig

!"#$%&'

Leipzig is, with a population

of over 506,000, the largest

city in the federal state of

Saxony, Germany.

http://dbpedia.org/resource/SaxonyLeipzig

506578

51.3333333333

12.3833333333

p:staterdfs:label

p:einwohner

foaf:depiction

geo:lat

geo:longrdfs:comment

Page 7: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

http://dbpedia.org/resource/Leipzig

... in a Web browser ... in an RDF application

Page 8: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

1. URIs as names2. HTTP URIs3. URIs provide HTML and RDF

information4. Information includes links to URIs of

related things

Linked Data!

URIs in DBpedia

Page 9: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

SPARQL Access

SELECT ?object ?parallaxWHERE { ?object skos:subject category:Delta_Scuti_variables . ?object skos:subject category:Bayer_objects . ?object p:parallax ?parallax .}

?object ?parallax

http://dbpedia.org/resource/Vega 129.01

http://dbpedia.org/resource/Beta_Cassiopeiae 69.50

http://dbpedia.org/resource/Delta_Capricorni 84.58

http://dbpedia.org/resource/Denebola 90.16

http://dbpedia.org/resource/Sigma_Octantis 12.07

Page 10: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

External RDF Links

<http://sws.geonames.org/2879139> owl:sameAs <http://dbpedia.org/resource/Leipzig>.

<http://zitgist.com/music/artist/b10bbbfc-cf9e-42e0-be17-e2c3e1d2600d> owl:sameAs <http://dbpedia.org/resource/The_Beatles>.

<http://www.w3.org/People/Berners-Lee/card#i> foaf:knows <http://dbpedia.org/resource/Tim_Bray>.

Page 11: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

Web of Data

DBpedia

RDF Book Mashup

DBLPBerlin

Revyu

Project Guten-berg

FOAF

Geo-names

Music-brainz

DBtune

Jamendo

World

Fact-

book

DBLPHannover

SIOC

Sem-

Web-

Central

Euro-

stat

ECS

South-

ampton

BBCLater +TOTP

Fresh-meat

Open-

Guides

Gov-Track

US Census Data

W3CWordNet

flickrwrappr

Wiki-

company

Page 12: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

Summary

structured information from Wikipedia repository of SemWeb identifiers

http://dbpedia.org/resource/Leipzig

available via SPARQL and Linked Data interlinked with other datasets

Linking Open Data project

Page 13: T O TP Centr al W eb- Open- Sem- meat Later + Fresh- ECS ...richard.cyganiak.de/2007/10/dbpedia-webofdata-slides.pdf · Music-brainz DBtune Jamendo World Fact-book DBLP Hannover SIOC

Thank you!http://dbpedia.org/