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Application of the Linked Data
Visualization Model on Real World
Data from the Czech LOD Cloud
Jakub Klímek
Jiří Helmich
Martin Nečaský
http://xrg.cz | contact@xrg.cz
XML and Web Engineering Research Group
Faculty of Mathematics and Physics
Charles University, Prague
Czech Republic
klimek@fit.cvut.cz
Faculty of Information Technology
Czech Technical University in Prague
CzLOD cloud
 OpenData.cz since 2012
 100M triples
 RUIAN 600M triples
 Virtuoso 7 instance
http://linked.opendata.cz/sparql
Application of LDVM on Real World Data from the CzLOD Cloud 2
CzLOD cloud
 Business entities
 ARES – Business registry
 COI.CZ – Czech Trade Inspection Agency
 Research projects
 Geographical data
 RUIAN – territorial identification
linked to LAU & NUTS
 Geocoding results
Application of LDVM on Real World Data from the CzLOD Cloud 3
CzLOD cloud
 Governmental datasets
 OVM – ministries, cities, notaries, ...
• Agendas (opening hours)
 Laws - decisions of the Czech Supreme court
 Statistical datasets
 Demography
 Budgets
 Exchange rates – European Central Bank
Application of LDVM on Real World Data from the CzLOD Cloud 4
LDVM
 Abstract process
 4 stages
 3 transformation types
 3 operator types
 Adapted for RDF
 Input transformed to RDF
 Internally works with RDF
 Existing visualizers
accept proprietary
formats
Application of LDVM on Real World Data from the CzLOD Cloud 5
LDVM stages
 Source RDF
and non-RDF data
 Data transformation
Application of LDVM on Real World Data from the CzLOD Cloud 6
LDVM stages
 Analytical abstraction
 Relevant data extraction
using SPARQL operators
 Analyzers
 Reusability
Application of LDVM on Real World Data from the CzLOD Cloud 7
LDVM stages
 Visualization abstraction
 Transformers
 Reusing concepts
 e.g. skos:broader
Application of LDVM on Real World Data from the CzLOD Cloud 8
LDVM stages
 View
 Visualizers
• User configuration
(rotate, scale, zoom, etc.)
 End-users
Application of LDVM on Real World Data from the CzLOD Cloud 9
LDVM components compatibility
 Components compatibility
 Input signature
• SPARQL ASK
 Output data sample
Application of LDVM on Real World Data from the CzLOD Cloud 10
LDVM Demonstration
 Case: Inspections of COI.CZ
 Input signature of an analyzer:
Application of LDVM on Real World Data from the CzLOD Cloud 11
Compatibility Demonstration
Application of LDVM on Real World Data from the CzLOD Cloud 12
;
Compatibility demonstration II
Application of LDVM on Real World Data from the CzLOD Cloud 13
LDVM Demonstration
 Visualizers (e.g. d3js, jQuery flot, etc.)
Application of LDVM on Real World Data from the CzLOD Cloud 14
Compatibility demonstration
Application of LDVM on Real World Data from the CzLOD Cloud 15
CzLOD – COI.CZ
Check actions
analyzer
Hierarchy
transformer
GEO
transformer
CzLOD – CAFIA
Implementation: Payola
 Analyzer editor with analytical plugins
 Collaborative features
 Inner analyzers
 Custom plugins
 One-click solution for non-expert users
 Caching analyzer results
Application of LDVM on Real World Data from the CzLOD Cloud 16
Links
 http://vis.payola.cz/gmaps-ovm
 http://vis.payola.cz/coi-treemap
 https://github.com/payola/Payola
Application of LDVM on Real World Data from the CzLOD Cloud 17
Thank you for your attention
Jakub Klímek
Jiří Helmich
Martin Nečaský
http://xrg.cz | contact@xrg.cz
XML and Web Engineering Research Group
Faculty of Mathematics and Physics
Charles University, Prague
Czech Republic
klimek@fit.cvut.cz
Faculty of Information Technology
Czech Technical University in Prague

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LDOW2014 Real World LDVM

  • 1. Application of the Linked Data Visualization Model on Real World Data from the Czech LOD Cloud Jakub Klímek Jiří Helmich Martin Nečaský http://xrg.cz | contact@xrg.cz XML and Web Engineering Research Group Faculty of Mathematics and Physics Charles University, Prague Czech Republic klimek@fit.cvut.cz Faculty of Information Technology Czech Technical University in Prague
  • 2. CzLOD cloud  OpenData.cz since 2012  100M triples  RUIAN 600M triples  Virtuoso 7 instance http://linked.opendata.cz/sparql Application of LDVM on Real World Data from the CzLOD Cloud 2
  • 3. CzLOD cloud  Business entities  ARES – Business registry  COI.CZ – Czech Trade Inspection Agency  Research projects  Geographical data  RUIAN – territorial identification linked to LAU & NUTS  Geocoding results Application of LDVM on Real World Data from the CzLOD Cloud 3
  • 4. CzLOD cloud  Governmental datasets  OVM – ministries, cities, notaries, ... • Agendas (opening hours)  Laws - decisions of the Czech Supreme court  Statistical datasets  Demography  Budgets  Exchange rates – European Central Bank Application of LDVM on Real World Data from the CzLOD Cloud 4
  • 5. LDVM  Abstract process  4 stages  3 transformation types  3 operator types  Adapted for RDF  Input transformed to RDF  Internally works with RDF  Existing visualizers accept proprietary formats Application of LDVM on Real World Data from the CzLOD Cloud 5
  • 6. LDVM stages  Source RDF and non-RDF data  Data transformation Application of LDVM on Real World Data from the CzLOD Cloud 6
  • 7. LDVM stages  Analytical abstraction  Relevant data extraction using SPARQL operators  Analyzers  Reusability Application of LDVM on Real World Data from the CzLOD Cloud 7
  • 8. LDVM stages  Visualization abstraction  Transformers  Reusing concepts  e.g. skos:broader Application of LDVM on Real World Data from the CzLOD Cloud 8
  • 9. LDVM stages  View  Visualizers • User configuration (rotate, scale, zoom, etc.)  End-users Application of LDVM on Real World Data from the CzLOD Cloud 9
  • 10. LDVM components compatibility  Components compatibility  Input signature • SPARQL ASK  Output data sample Application of LDVM on Real World Data from the CzLOD Cloud 10
  • 11. LDVM Demonstration  Case: Inspections of COI.CZ  Input signature of an analyzer: Application of LDVM on Real World Data from the CzLOD Cloud 11
  • 12. Compatibility Demonstration Application of LDVM on Real World Data from the CzLOD Cloud 12 ;
  • 13. Compatibility demonstration II Application of LDVM on Real World Data from the CzLOD Cloud 13
  • 14. LDVM Demonstration  Visualizers (e.g. d3js, jQuery flot, etc.) Application of LDVM on Real World Data from the CzLOD Cloud 14
  • 15. Compatibility demonstration Application of LDVM on Real World Data from the CzLOD Cloud 15 CzLOD – COI.CZ Check actions analyzer Hierarchy transformer GEO transformer CzLOD – CAFIA
  • 16. Implementation: Payola  Analyzer editor with analytical plugins  Collaborative features  Inner analyzers  Custom plugins  One-click solution for non-expert users  Caching analyzer results Application of LDVM on Real World Data from the CzLOD Cloud 16
  • 17. Links  http://vis.payola.cz/gmaps-ovm  http://vis.payola.cz/coi-treemap  https://github.com/payola/Payola Application of LDVM on Real World Data from the CzLOD Cloud 17
  • 18. Thank you for your attention Jakub Klímek Jiří Helmich Martin Nečaský http://xrg.cz | contact@xrg.cz XML and Web Engineering Research Group Faculty of Mathematics and Physics Charles University, Prague Czech Republic klimek@fit.cvut.cz Faculty of Information Technology Czech Technical University in Prague

Notes de l'éditeur

  1. To show owners of the data, what benefits can be gained from proper publication
  2. OVM = institutions of public power
  3. Mezi stages tečoupouze RDF data
  4. DvazpůsobypoužitíSe zachovánímsémantikyBezzachovánísémantky pro účelyvizualizace
  5. Signature je komplikovana, ale checkAction je je zeschama.org, location taky a do tohoformatuplanujemeprevestdalsi data, jeste z kontroljidla => reusable+ Q2, kteraoverujehierarchii
  6. Transformer si z datvytáhnejen to, co potřebuje