ISWC 2009 Consuming LOD
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Transcript of 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"