Downscale2012 keynote talk

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Keynote talk given at Downscale2012 workshop (http://worldwidesemanticweb.wordpress.com/downscale2012) describing the VOICES project and the RadioMarche use case.

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  • - Push data sharingInnovative farmer guy.IconsEcomash during demo session.
  • We all love the web and all of us appreciate the influence it had on our social, political and economic lives. This Empowerment through the sharing of knowledge of businesses, people and societies is reflected in the rapid growth of the Internet and the World Wide Web4.5 Billion people are now unconnected to the web.
  • Spice this upRelate this to w4ra
  • As of February 2012, 31 market offerings are in the triple store. These market offeringshave been done by 15 different farmers, living in 13 different villages spreadacross 6 regional “zones”.
  • Also Applications!
  • Downscale2012 keynote talk

    1. 1. Voice-based access to Linked Market Data in the Sahel Victor de Boer With input fromNana Baah Gyan, Chris van Aart, Wendelien Tuyp, Stephane Boyera, AmanGrewal, Christophe Guéret, Hans Akkermans, Anna Bon, Frank van Harmelen
    2. 2. Web for Regreening in Africa (W4RA)• Knowledge sharing issues – Distances between rural communities in Sahel – Infrastructure and access • Commonly: no electricity, no computer, no internet • But: mobile and radio – Lack of relevant content • Literacy and education – Languages 2
    3. 3. Can the Web (be made to) meansomething for knowledge sharing evenunder very constraining conditions?No internet, no computer, no electricityMultitude of languages, levels of literacy
    4. 4. CAUTION!DIGITAL DIVIDE AHEAD
    5. 5. Aim: integrate Web with mobile access & voice services• service development toolbox, field deployment in Africa & make a sustainable business out of it 5
    6. 6. Voice-based services in a rural African context• Integrate local community radios and mobile ICT for knowledge sharing• Better support and integrate local languages in voice-based services – Development of appropriate speech elements (text-to-speech and Speech recognition)• Develop a free and open source toolbox for local developers.• Investigate self-sustainability – Develop appropriate business models – In collaboration with local communities.
    7. 7. (adapted) Living Labs• Involvement of local communities – trust and ownership• Rapid cycles – Use case gathering – Observation and prototyping – Test, adapt• Context-specific issues – Lack of infrastructure – Illiteracy, ‘small’ language – Local ownership and maintainability – Distance between developer and user
    8. 8. M-agro Use CaseContext: Regreening in Africa
    9. 9. Image by Onno Wassenaar
    10. 10. RadioMarche: Use web/voice technology to improve access to market data Radio broadcast French Radio 1Market info Bambara Sahel Eco aggregates market info French Radio 2 Bomu
    11. 11. Data management RadioMarche.com
    12. 12. Voice channel: Multiple solutions HTTP Netbook Orange Emerginov PlatformNetbook SIP overrunning EthernetProphecy Officeroute running AsterixNetbook BluetoothrunningProphecy + Mobile phoneAsterix
    13. 13. Audio communiqué• Audio communiqué generated by concatenating prerecorded phrases – Each radio host uses own voice (!)• Text-to-speech where possible• Currently only for French• Audio quality is an issue
    14. 14. Voice XML<?xml version="1.0" encoding="ISO-8859-1"?><vxml version="2.0" lang="en"><form> <prompt bargein="false"> Welcome to RadioMarche! <audio src=“audio/communique_1_bambara.wav"/> </prompt> <option dtmf="1" value=“1">Press one for X</option> <option dtmf=“2" value=“2">Press two for Y</option> ...</vxml>
    15. 15. Current testing phase• Limited usage due to: – Political situation – Ecological situation – Social barriers – Technical issues• Feedback informs next phase – More languages (Bambara, Bomu) – More radio stations – End user
    16. 16. Other use cases and projects
    17. 17. VOICES use cases• M-agri event organizer – Schedule events, automatic calls to farmers’ representatives. – Agricultural knowledge sharing• M-health knowledge sharing – Use case in Senegal – Share health knowledge
    18. 18. Foroba Blon• Citizen journalism platform – using the same technology as RadioMarché• Multiple use cases – Letters to editor – Trusted users ‘journalists’• Funded by IPI news innovation contest
    19. 19. Interaction design for low- literacy communities
    20. 20. Beyond the use case: Sharing the Data
    21. 21. Across regions Local market data Local market dat a Data / communique layer RadioM arché market informat ion s ys t em Dat a / communique plat form Interface handler layer W eb Email SM S GSM /Voice GSM/VoicWeb Email SMS e Local radio Farmers Buyers ( producers ) ( cons umers ) RadioMarché in second region Local radio Farmers Buyers (producers) (consumers)
    22. 22. Inst. of Development Studies LOD Sahel Pluvial data SemanticXODBpedia GeoNames Citizen Journalism data Agrovoc RadioMarché Linked market data ClioPatria Linked Data server
    23. 23. RadioMarché Linked market data ClioPatria Linked Data server ‘Allo, Linked Data? * <VoiceXML> to SPARQL `Ecomash’Client application Voice browser Tel: +31208080855 Skype: +990009369996162208
    24. 24. Research questions• Q1 [immediate]: Can the Web (be made to) mean something for knowledge sharing even under very constraining conditions? – No internet, no computer, no electricity – Multitude of languages, levels of literacy• Q2 [Web future]: Can we have a Web of Speech? – After all, human communication: talking >> writing
    25. 25. Questions?
    26. 26. w4ra.few.vu.nl semweb4u.wordpress.comworldwidesemanticweb.wordpress.com

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