ISWC 2009 Consuming LOD

A socially managed semantic database

Freebase has Many Types of Things

8,856,069 Topics

Freebase is user writable

Freebase: A Semantic Publishing Platform

http://www.freebase.com/view/en/washington_united_states

http://rdf.freebase.com/ns/en.washington_united_states

schema = vocabulary

A range of of vocabularies....

1500 types with 500+ instances!!

A Repository of Vocabulary

Freebase Schema in RDFShttp://rdfvocab.freebaseapps.com/fb2rdfs?domain=/film<rdf:RDF> <rdf:Description rdf:about="http://rdf.freebase.com/ns/film.film"> <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/> <label>Film</label> </rdf:Description> <rdf:Description rdf:about="http://rdf.freebase.com/ns/film.film.initial_release_date"> <rdf:type rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/> <label>Initial release date</label> <domain rdf:resource="http://rdf.freebase.com/ns/film.film"/> <range rdf:resource="http://rdf.freebase.com/ns/type.datetime"/> </rdf:Description> <rdf:Description rdf:about="http://rdf.freebase.com/ns/type.datetime"> <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/> <label>Date/Time</label> </rdf:Description> <rdf:Description rdf:about="http://rdf.freebase.com/ns/film.film.directed_by"> <rdf:type rdf:resource="http://www.w3.org/1999/02/22-rdf-syntax-ns#Property"/> <label>Directed by</label> <domain rdf:resource="http://rdf.freebase.com/ns/film.film"/> <range rdf:resource="http://rdf.freebase.com/ns/film.director"/> </rdf:Description> <rdf:Description rdf:about="http://rdf.freebase.com/ns/film.director"> <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Class"/> <label>Film director</label>

/guid/9202a8c04000641f800000000001e168

/business/cik/0000051143

/wikipedia/en_id/18622259

/wikipedia/en/IBM/wikipedia/en/International_Business_Machines

/en/ibm

NYSE: IBM

Repository of Identifiers

8.6MM of these!

IBM

Head

qu

art

ers

CEO

Politic

al C

ontrib

utio

ns

Operating Incom

e

Ticker Symbol

CIK

SIC

NAIC

Founders

Date Founded

Su

bsid

iari

es

So

ftware

Develo

ped

Freebase as Switchboard

http://www.flickr.com/photos/jliba/

Follow any identifier in - take the others out

IBM

Wik

iped

ia ID

CIK

Stock Ticker

NYTim

es Topics

Working with Sets of Linked Data

Follow your nose

Search

Have a Plan

Have a Strategy

SQUIN

"know what you need"

(extra credit)

A Problem

?

Country Name

Record Reviews for bands from the country

A PlanCountry Name

Record Reviews for bands from the country

DBPedia

BBCMBz IDS

WP IDs

Plan Coordination

Blackboard Coordination

<output> <input>

Blackboard Coordination

SELECT ?x WHERE{?s ?p ?o ...}

Working the PlanCountry Name

Record Reviews for bands from the country

SPARQL Query

Band's Freebase ID

DBpedia

Freebase ID

Band's

MusicBrainz ID

Freebase

MusicBrainz ID

Record

Reviews

BBC

Reliability

Common ArchitectureModel

ManagerModel Controllers View

Service Ecosystem

RePublishingEngine

Service Ecosystem

rel=license

Strong Identifiers

Strong Semantics

Open Data

Freebase in Service Ecosystem

/en/ibm

sameas.freebase.com

CIK0000051143

GovTrack

MQL

[{ "name" : null, "type" : "/business/company"}]

MQL

[{ "name" : null, "type" : "/business/company",

"industry":"Computer software"}]

MQL

[{ "name" : null, "type" : "/business/company",

"industry":{"id":"/en/computer_software"}}]

MQL

[{ "name" : null, "type" : "/business/company",

"industry":{"id":"/business/naics2007/5112"}}]

[{ "name" : null, "type" : "/business/company",

"industry":{"id":"/business/naics2007/5112"},"founders": [ ]

}]

MQL

[{ "name" : null, "type" : "/business/company",

"industry":{"id":"/business/naics2007/5112"},"founders": [{ }]

}]

MQL

[{ "name" : null, "type" : "/business/company",

"industry":{"id":"/business/naics2007/5112"},"founders": [{ }],"/base/sameas/lod/data": [{ }]

}]

eMQL - MQL Extensions

[{ "id" : "/en/ibm", "type" : "/business/company",

"industry":{"id":"/business/naics2007/5112"},"founders": [{ }],"/base/sameas/lod/data": [{ }]

}]

eMQL - MQL Extensions

eMQL LOD Extension

[{ "id" : "/en/ibm", "type" : "/business/company",

"industry":{"id":"/business/naics2007/5112"},"founders": [{ }],"/base/sameas/lod/data": [{ }]

}]

/en/ibm CIK

GovTrack

sameas.freebase.com

MQL

"id" : "/en/ibm"

Linked Data as "Leaf Data"

Photo by: http://www.flickr.com/photos/blmurch

Uniform Access toEntity Data

Data

Data

Data

Data

Linked Data allows applications to access Entity Data using uniform patterns

The "last mile of data"