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Ld4d 2013 part 3


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Slides for the third part of the Linked Data for Development (LD4D) Tutorial, held at WSSF2013 in Montreal Canada.

This introduced a hands-on session.

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Ld4d 2013 part 3

  1. 1. Linked Data for Development Part 3: Hands On Session Victor de Boer VU University Amsterdam
  2. 2. Recap • Linked Data for Development • From Big data (IATI) to Small data (locally created) Downscaling Linked Data: 1. usable on small, affordable, hardware deployed in various connectivity contexts; 2. accessible to individuals with varied cultural backgrounds / literacy levels; 3. relevant and directly useful to the target public they aim to empower. Infrastructure Interface Relevancy
  3. 3. Hands on Part 1: Make your dataset Linked Open Data • What data do you have or would you like to have? – Describe your dataset in terms of content, size, origin, copyright or privacy issues and how often it is expected to be updated. – Global, local • Linked Open Data – What datasets could you link your data to (GeoNames, WorldBank, CIA factbook, Open govt data) – How could you re-use linked datasets in an application or for (scientific) analysis – How could your data be re-used beyond its original use
  4. 4.
  5. 5. Think about three aspects regarding re-use of your data • Relevancy – List potential stakeholders that can benefit from your Open Data set (end users, data admins, data journalists, activists, scientists, policy makers…) – For one or more stakeholders: describe a good value proposition for this data (possibly exploiting links to other datasets) • Infrastructure – For one or more stakeholders: how does the context restrict data access? – What solutions would be available (low infrastructure, internet connectivity, etc.) • Interfaces – For one or more stakeholders/value propositions: what would be an appropriate interface technology (Web, Mobile phone, SMS, Voice, Radio, …)
  6. 6. Timing • • • • • 15 mins: this introduction 20 mins: fill out part 1 20 mins: discuss the results 20 mins: fill out part 2 20 mins: discuss the results
  7. 7. Hands-on part 2 • Interface description – Describe an interface for one value proposition and stakeholder in more detail. – What technology does it use? – What design considerations do you make, based on the context of the user? • Interface mockup or sketch – Sketch a mockup of the interface described above. For example, for a Voice-interface, draw a Call Flow diagram; for a Web application, Icon-based phone interface or Sugar activity, draw one or more screens.
  8. 8. Voice User Interface Example, sports scores System User Actions Next For the Harambee Stars, press 1, for the AFC Leopards, press 2, for Mathare United, press 3, for all other teams press 4 1 Team= “Harambee Stars” Goto “provide score” 2 Team=“AFC Leopards” Greeting Identify caller Advertisement Find out team name 4 Goto “other teams” Provide scores yes 5 Does caller want another score? no goodbye Hidden choice Throw error, “not a choice” 6 Transfer to operator catch error, play Error message
  9. 9. Welcome Choose application and language 1 About which product (EN) 3 dtmf 2 About which product (NL) List all products (EN) dtmf 1..n dtmf 1..n List product offerings List product offerings Voice browser Tel: +31208080855 Skype: +990009369996162208
  10. 10.
  11. 11. Icon-based interaction
  12. 12. Sugar activity
  13. 13. Web interface
  14. 14. Crowdsourcing voice fragment gathering
  15. 15. Part 3: Discussion • What links could be made between the different datasets • More re-use • Issues with privacy etc.
  16. 16. Publishing Linked Data
  17. 17. Serving Linked Data from RDF Triple Stores Sesame Virtuoso Apache Jena Fuseki OWLIM SPARQL endpoint Linked Data Interface HTTP server 4Store ClioPatria Triple store Triple Logic
  18. 18. More information?