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.freeb...
schema = vocabulary
A Repository of Vocabulary




                     1500 types with 500+ instances!!




A range of of vocabularies....
Freebase Schema in RDFS
http://rdfvocab.freebaseapps.com/fb2rdfs?domain=/film
<rdf:RDF>
  <rdf:Description rdf:about="http:...
Repository of Identifiers




                   /en/ibm

  /guid/9202a8c04000641f800000000001e168


                 NYSE:...
8.6MM of these!




         Po
           liti
               ca




                                                    ...
Freebase as Switchboard




                          http://www.flickr.com/photos/jliba/
ID
                                          d ia
      Sto
         ck                           i pe
            Tic    ...
Working with Sets of Linked Data

Follow your nose
Search SQUIN
Have a Plan "know what you need"
Have a Strategy (extra cr...
A Problem
   Country Name




       ?
 Record Reviews for
bands from the country
A Plan
   Country Name




                         WP IDs
   DBPedia


                         MBz IDS
       BBC


 Rec...
Plan Coordination
Blackboard Coordination




<output>            <input>
Blackboard Coordination




      SELECT ?x WHERE
        {?s ?p ?o ...}
Working the Plan
DBpedia                             Country Name


                SPARQL Query

           Band's Freeba...
Reliability
Common Architecture
 Model  Model Controllers View
Manager




                 RePublishing
                   Engine


 ...
Service Ecosystem
rel=license
Strong Identifiers

Strong Semantics

   Open Data
Freebase in Service Ecosystem
sameas.freebase.com

          GovTrack



              0000051143
    /en/ibm                CIK
[{
     "name" : null,
     "type" : "/business/company"
}]




             MQL
[{
     "name" : null,
     "type" : "/business/company",
     "industry":"Computer software"
}]




                    M...
[{
     "name" : null,
     "type" : "/business/company",
     "industry":{"id":"/en/computer_software"}
}]




          ...
[{
     "name" : null,
     "type" : "/business/company",
     "industry":{"id":"/business/naics2007/5112"}
}]




       ...
[{
     "name" : null,
     "type" : "/business/company",
     "industry":{"id":"/business/naics2007/5112"},
     "founder...
[{
     "name" : null,
     "type" : "/business/company",
     "industry":{"id":"/business/naics2007/5112"},
     "founder...
[{
     "name" : null,
     "type" : "/business/company",
     "industry":{"id":"/business/naics2007/5112"},
     "founder...
[{
     "id" : "/en/ibm",
     "type" : "/business/company",
     "industry":{"id":"/business/naics2007/5112"},
     "foun...
[{
     "id" : "/en/ibm",
     "type" : "/business/company",
      "industry":{"id":"/business/naics2007/5112"},
      "fo...
Linked Data as "Leaf Data"




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


                 Linked Data allows
                 applications to access
          Data
              ...
The "last mile of data"
ISWC 2009 Consuming LOD
ISWC 2009 Consuming LOD
ISWC 2009 Consuming LOD
ISWC 2009 Consuming LOD
ISWC 2009 Consuming LOD
ISWC 2009 Consuming LOD
ISWC 2009 Consuming LOD
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ISWC 2009 Consuming LOD

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Part of the Consuming Linked Data Tutorial at ISWC 2009

Published in: Technology, Business

ISWC 2009 Consuming LOD

  1. 1. A socially managed semantic database
  2. 2. Freebase has Many Types of Things
  3. 3. 8,856,069 Topics
  4. 4. Freebase is user writable
  5. 5. Freebase: A Semantic Publishing Platform http://www.freebase.com/view/en/washington_united_states http://rdf.freebase.com/ns/en.washington_united_states
  6. 6. schema = vocabulary
  7. 7. A Repository of Vocabulary 1500 types with 500+ instances!! A range of of vocabularies....
  8. 8. Freebase Schema in RDFS http://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>
  9. 9. Repository of Identifiers /en/ibm /guid/9202a8c04000641f800000000001e168 NYSE: IBM /business/cik/0000051143 /wikipedia/en_id/18622259 /wikipedia/en/IBM /wikipedia/en/International_Business_Machines
  10. 10. 8.6MM of these! Po liti ca rs lC arte on dqu trib ol uti Hea b K on ym CI Dat S r s e Fou e nde Ti ck d Founders CEO IBM SIC O pe ra IC tin Soft NA s e g diari In war co m i e De Subs e velo ped
  11. 11. Freebase as Switchboard http://www.flickr.com/photos/jliba/
  12. 12. ID d ia Sto ck i pe Tic ik k er W IBM CIK N YT im es To pic s Follow any identifier in - take the others out
  13. 13. Working with Sets of Linked Data Follow your nose Search SQUIN Have a Plan "know what you need" Have a Strategy (extra credit)
  14. 14. A Problem Country Name ? Record Reviews for bands from the country
  15. 15. A Plan Country Name WP IDs DBPedia MBz IDS BBC Record Reviews for bands from the country
  16. 16. Plan Coordination
  17. 17. Blackboard Coordination <output> <input>
  18. 18. Blackboard Coordination SELECT ?x WHERE {?s ?p ?o ...}
  19. 19. Working the Plan DBpedia Country Name SPARQL Query Band's Freebase ID Freebase Freebase ID Band's MusicBrainz ID MusicBrainz ID BBC Record Reviews Record Reviews for bands from the country
  20. 20. Reliability
  21. 21. Common Architecture Model Model Controllers View Manager RePublishing Engine Service Ecosystem
  22. 22. Service Ecosystem
  23. 23. rel=license
  24. 24. Strong Identifiers Strong Semantics Open Data
  25. 25. Freebase in Service Ecosystem
  26. 26. sameas.freebase.com GovTrack 0000051143 /en/ibm CIK
  27. 27. [{ "name" : null, "type" : "/business/company" }] MQL
  28. 28. [{ "name" : null, "type" : "/business/company", "industry":"Computer software" }] MQL
  29. 29. [{ "name" : null, "type" : "/business/company", "industry":{"id":"/en/computer_software"} }] MQL
  30. 30. [{ "name" : null, "type" : "/business/company", "industry":{"id":"/business/naics2007/5112"} }] MQL
  31. 31. [{ "name" : null, "type" : "/business/company", "industry":{"id":"/business/naics2007/5112"}, "founders": [ ] }] MQL
  32. 32. [{ "name" : null, "type" : "/business/company", "industry":{"id":"/business/naics2007/5112"}, "founders": [{ }] }] MQL
  33. 33. [{ "name" : null, "type" : "/business/company", "industry":{"id":"/business/naics2007/5112"}, "founders": [{ }], "/base/sameas/lod/data": [{ }] }] eMQL - MQL Extensions
  34. 34. [{ "id" : "/en/ibm", "type" : "/business/company", "industry":{"id":"/business/naics2007/5112"}, "founders": [{ }], "/base/sameas/lod/data": [{ }] }] eMQL - MQL Extensions
  35. 35. [{ "id" : "/en/ibm", "type" : "/business/company", "industry":{"id":"/business/naics2007/5112"}, "founders": [{ }], MQL "/base/sameas/lod/data": [{ }] sameas.freebase.com }] GovTrack /en/ibm CIK "id" : "/en/ibm" eMQL LOD Extension
  36. 36. Linked Data as "Leaf Data" Photo by: http://www.flickr.com/photos/blmurch
  37. 37. Data Data Linked Data allows applications to access Data Entity Data using uniform patterns Data Uniform Access to Entity Data
  38. 38. The "last mile of data"
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