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Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
Decentralised Open Data  for World Citizens
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Decentralised Open Data for World Citizens

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These are the slides of a presentation given at http://www.w3.org/2012/06/pmod . Our current mindset when thinking about "Open Data" excludes the majority of World population from using it. This …

These are the slides of a presentation given at http://www.w3.org/2012/06/pmod . Our current mindset when thinking about "Open Data" excludes the majority of World population from using it. This presentation highlight some of the work being done to change this.

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  • 1. Decentralised Open Data for World Citizens Christophe Guéret, Victor de Boer, Anna Bon & many more Using Open Data policy modelling, citizen empowerment, data journalism 19 - 20 June 2012PMOD - June 2012 Open Data for World Citizens 1/19
  • 2. The common facets of Open DataPMOD - June 2012 Open Data for World Citizens 2/19 http://www.flickr.com/photos/swamibu/2928083712
  • 3. Open Data portals Single entry point to all data and applications English + country official language(s) Text oriented Serve static dataPMOD - June 2012 Open Data for World Citizens 3/19
  • 4. Open Data users They have a smartphone or at least a Web browser They are young and geeky They can read and type Some of them will code applications for the othersPMOD - June 2012 Open Data for World Citizens 4/19
  • 5. Open Data producer hardware Data centers that can host terabytes of data 99.9% uptime High speed reliable http://www.flickr.com/photos/argonne/3323018571 Internet connectionPMOD - June 2012 Open Data for World Citizens 5/19
  • 6. Who are we talking about exactly? Data consumers that: (Computer) literate Early adopters of new technologies Data producers that: Have access to publication platforms Have a significant amount of data to publish Are trusted as data providers A tiny fraction of the 7 billion World CitizenPMOD - June 2012 Open Data for World Citizens 6/19
  • 7. Data sharing need and issues Example needs Market prices Innovative agricultural techniques Information about stock of crops Issues Distances between rural communities in Sahel Limited infrastructure: no electricity, no computer, no Internet (but radio and mobile phones) Lack of relevant content, literacy and education, different languagesPMOD - June 2012 Open Data for World Citizens 7/19
  • 8. A simple question... How can everyone benefit from Open Data ? Part of the solution: Voice interfaces DownScaled infrastructuresPMOD - June 2012 Open Data for World Citizens 8/19
  • 9. Voice interfaces What ? Replace textual interfaces by speech Why ? Everyone can speak and listen Good mobile penetration in sub-Saharan Africa How ? Use and develop TTS and ASR technologies Deal with several local languagesPMOD - June 2012 Open Data for World Citizens 9/19
  • 10. DownScaling infrastructures What ? Use a swarm of micro-servers instead of a central one Why ? Micro-servers are less costly Redundancy in the swarm improves robustness Decentralise => get closer to data consumers/producers How ? Use low-end hardware Adapt data technologies (in particular, Linked Data)PMOD - June 2012 Open Data for World Citizens 10/19
  • 11. Our target hardware, portal and users ‘Allo, Linked Data?PMOD - June 2012 Open Data for World Citizens 11/19
  • 12. Some of the ongoing projectsPMOD - June 2012 Open Data for World Citizens Photo (c) Bruno van Moerkerken 12/19
  • 13. RadioMarché: sharing market pricesPMOD - June 2012 Open Data for World Citizens 13/19
  • 14. RadioMarché : voice interface Farmers call to indicate their prices Messages are generated in different languages Buyers call and listen to the messages Rely on community radioPMOD - June 2012 Open Data for World Citizens 14/19
  • 15. Foroba Blon: timely data sharing It rained a lot today! I wonder when it will rain...PMOD - June 2012 Open Data for World Citizens 15/19
  • 16. Foroba Blon: citizen journalists Users call the service and leave their message Community radios collect and curate the citizen- reported content Messages are diffused on the radio and are accessible via mobile phones and on the Web Less latency between producers and consumersPMOD - June 2012 Open Data for World Citizens 16/19
  • 17. SemanticXO: sharing data at 6 to 12PMOD - June 2012 Open Data for World Citizens 17/19
  • 18. SemanticXO: data sharing stack for the XO Every XO is a data External Sugar applications activities publisher and consumer Structured HTTP Server data store API Does not rely on any central host Triple Web of Data store + Uses lightweight data files relays when neededPMOD - June 2012 Open Data for World Citizens 18/19
  • 19. Take home message Widening the access to Open Data implies Developing voice-based interfaces DownScaling infrastructures For more information: http://worldwidesemanticweb.wordpress.com/ http://semweb4u.wordpress.com/ http://w4ra.few.vu.nl/ http://mvoices.eu/PMOD - June 2012 Open Data for World Citizens 19/19

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