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A complete example of   how to link data
Real estate agency                     Client
    $$$
Green                                          Mature                                                                space...
London borough profiles
Crime rates in boroughs
Total energy consumption
How to connect data?                        Google Refne   Energyconsumption               Crime                data    Un...
What for?Clean up raw data            Link data to registry  • Identify duplicates      • e.g. Freebase   • Discover patte...
Formats supportedTSV, CSV or values separated by a custom separator you specify   Excel    Google spreadsheets    XML, RDF...
Google Refine   Energyconsumption                 Crime                  data   Unifying                        Linking to...
Google Refine   Energyconsumption               Crime                data   Unifying                        Linking to   P...
London boroughs        has label     Dataset                    has structure                                      compone...
London boroughs        has label     Dataset                    has structure                                      compone...
London boroughs
London boroughs              has label          Dataset                          has structure                            ...
London boroughs           rdfs:label      qb:dataSet                        qb:structure                                  ...
Google Refine   Energyconsumption               Crime                data                         Unifying                ...
Pubby                                                 Silk                       Google Refine   Energyconsumption        ...
London boroughs                                                                                                           ...
London boroughs                                                                                         rdfs:label        ...
Thank you for your attention             
A complete example of how to create Linked Data
A complete example of how to create Linked Data
A complete example of how to create Linked Data
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A complete example of how to create Linked Data

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Transcript of "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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