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A complete example of how to create Linked Data

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A complete example of how to create Linked Data

  1. 1. A complete example of how to link data
  2. 2. Real estate agency Client
  3. 3.  $$$
  4. 4. Green Mature spacesRobberies Young CrimesStructure ofpopulation Retired Immigrants Nationalities Energy consumption
  5. 5. London borough profiles
  6. 6. Crime rates in boroughs
  7. 7. Total energy consumption
  8. 8. How to connect data? Google Refne Energyconsumption Crime data Unifying Linking to Publishing Converting and other data on the cleaning to RDF sources Web WWW Census data Storing
  9. 9. What for?Clean up raw data Link data to registry • Identify duplicates • e.g. Freebase • Discover patterns Make data consistent • Spot inconsistencies
  10. 10. Formats supportedTSV, CSV or values separated by a custom separator you specify Excel Google spreadsheets XML, RDF as XML RDF N3 filesJSON
  11. 11. Google Refine Energyconsumption Crime data Unifying Linking to Publishing Converting and other data on the cleaning to RDF sources Web WWW Borough profiles Storing Reconciliation Building a skeleton
  12. 12. Google Refine Energyconsumption Crime data Unifying Linking to Publishing Converting and other data on the cleaning to RDF sources Web WWW Census data Storing Reconciliation Building a skeleton
  13. 13. London boroughs has label Dataset has structure components Specified by Defined by properties Defined by columns in the table have label represent type Header of the column e.g. measure
  14. 14. London boroughs has label Dataset has structure components Specified by Defined by properties Defined by columns in the table have label represent type Header of the column e.g. measure
  15. 15. London boroughs
  16. 16. London boroughs has label Dataset has structure components Specified by Defined by properties Defined by columns in the tableCube vocabulary represent type have label Header of the column e.g. measure
  17. 17. London boroughs rdfs:label qb:dataSet qb:structure qb:component qb:ComponentSp qb:DataStructu ecification reDefinition e.g. qb:measure qb:ComponentProperty rdfs:label e.g. qb: MeasureProperty “Area name” e.g. measure
  18. 18. Google Refine Energyconsumption Crime data Unifying Linking to Publishing Converting and other data on the cleaning to RDF sources Web WWW Census data Storing Reconciliation Defining structure Building a skeleton Filling with values
  19. 19. Pubby Silk Google Refine Energyconsumption Crime data Unifying Linking to Publishing Converting and other data on the cleaning to RDF sources Web WWW Census data Storing Fuseki
  20. 20. London boroughs rdfs:label qb:structure qb:DataStruc qb:component qb:Compon qb:dataSe tureDefinitio entSpecific t n ation qb:Compo … e.g. qb:measure nentSpecif ication qb:Compo … qb:ComponentPro nentSpecifi cation qb:Compo … perty nentSpecifi cation qb:Compo … rdfs:label nentSpecifi Energy consumption cation e.g. qb: MeasureProperty rdfs:label qb:DataStruc qb:component qb:Compon “Area name” qb:dataSe qb:structure tureDefinitio entSpecific t n ation qb:Compo … e.g. qb:measure e.g. measure nentSpecif ication qb:Compo … qb:ComponentPro nentSpecifi cation qb:Compo … perty nentSpecifi cation Area name URI qb:Compo … rdfs:label nentSpecifi cationCrime rates in boroughs e.g. qb: MeasureProperty rdfs:label “LAU1 Area” qb:structure qb:DataStruc qb:component qb:Compon qb:dataSe tureDefinitio entSpecific t n ation e.g. measure qb:Compo … e.g. qb:measure nentSpecif ication qb:Compo … qb:ComponentPro nentSpecifi cation qb:Compo … perty nentSpecifi Area name URI cation qb:Compo … rdfs:label nentSpecifi cation e.g. qb: MeasureProperty “Borough” e.g. measure Area name URI
  21. 21. London boroughs rdfs:label qb:structure qb:DataStruc qb:component qb:Compon qb:dataSe tureDefinitio entSpecific t n ation qb:Compo … e.g. qb:measure nentSpecif ication qb:Compo … qb:ComponentPro nentSpecifi cation qb:Compo … perty nentSpecifi cation qb:Compo … rdfs:label nentSpecifi cation e.g. qb: MeasureProperty qb:Observation qb:dataSetCrime rates in boroughs “Area name” rdfs:label qb:structure qb:DataStruc qb:component qb:Compon qb:dataSe tureDefinitio entSpecific e.g. measure t n ation qb:Compo … e.g. qb:measure nentSpecif ication qb:Compo … qb:ComponentPro Area name URI nentSpecifi cation qb:Compo … perty http://example.org/def/statistical-dimension/area-name nentSpecifi cation qb:Compo … rdfs:label nentSpecifi cation e.g. qb: MeasureProperty qb:Observation qb:dataSet “Borough” e.g. measure Area name URI http://example.org/def/statistical-dimension/area-name
  22. 22. Thank you for your attention 

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