Movie support slides

1. A complete example of
how to link data

2. Real estate agency
Client

3. 
$$$

4. Green
Mature
spaces
Robberies Young
Crimes
Structure of
population Retired
Immigrants Nationalities
Energy
consumption

5. London borough profiles

6. Crime rates in boroughs

7. Total energy consumption

9. How to connect data?
Google Refne
Energy
consumption
Crime
data Unifying Linking to Publishing
Converting
and other data on the
cleaning
to RDF
sources Web WWW
Census
data
Storing

10. What for?
Clean up raw data Link data to registry
• Identify duplicates • e.g. Freebase
• Discover patterns
Make data consistent
• Spot inconsistencies

12. Formats supported
TSV, CSV or values separated by a custom separator you specify
Excel
Google spreadsheets
XML, RDF as XML
RDF N3 files
JSON

13. Google Refine
Energy
consumption
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

15. Google Refine
Energy
consumption
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

16. 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

17. 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

18. London boroughs

19. London boroughs
has label
Dataset
has structure
components
Specified by
Defined by
properties
Defined by columns
in the table
Cube vocabulary represent type
have label
Header of
the column
e.g. measure

20. 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

21. Google Refine
Energy
consumption
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

22. Pubby
Silk
Google Refine
Energy
consumption
Crime
data Unifying Linking to Publishing
Converting
and other data on the
cleaning
to RDF
sources Web WWW
Census
data
Storing
Fuseki

23. 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
cation
Crime 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

24. 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:dataSet
Crime 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

25. Thank you for your attention
