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The Kasadaka Weather Forecast Service

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Presentation of Kim Bosman and Jari Ferguson on their paper "The Kasadaka Weather Forecast Service" presented at Downscale2016

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The Kasadaka Weather Forecast Service

  1. 1. KASADAKA WEATHER SERVICE Kim Bosman & Jari Ferguson
  2. 2. INTRODUCTION Who are we? • Jari Ferguson - graduated Information Sciences student • Kim Bosman - 2nd year Artificial Intelligence student The ICT4D course at the VU: • Master course Artificial Intelligence/Computer Science • Combining theory with practical • Use cases for Mali KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  3. 3. USE CASE Mali: • Land area: 1.2 million km2 (36 times larger than The Netherlands) • 14.5 million inhabitants • 66% of gross domestic product from agriculture • Around 40 different languages, French is the main language • High percentage of illiteracy (66%) • Limited to no Internet access • Limited access to power-grid • Lack of reliable and accessible weather forecasts, even though the global climate changes are noticeable • Telecommunications: 112,000 fixed lines vs 14,6 million mobile phones KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  4. 4. USE CASE Requirements: • Autonomous system • Allow farmers to get actual, region and town specific weather forecasts • Support multiple-day forecasts • Provide spoken forecasts in plain language • Support multiple languages • Keypad operated menus • Low power consumption (solar power and batteries) KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  5. 5. KASADAKA PLATFORM • Small, cheap and low-powered hardware • Web-like information sharing made possible for the rural poor • Multiple ways of accessing information - Through voice-, SMS-based, visual or textual interfaces - Through the Web, using mesh networks or over the GSM network • Allows easy development of information services relevant to local communities in their preferred language KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  6. 6. PROTOTYPE #1 • Call-in system • Support for French and English • Up to five days of weather forecasts • Four forecasts per day (night, morning, afternoon and evening) • Forecasts included: rainfall, temperature, wind direction and wind speed • Meteorological data obtained from OpenWeatherMap KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  7. 7. KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON “In the night it will be warm with light rain with a gentle breeze from the southwest.” “In the afternoon it will be hot with no rain with a gentle breeze from the west.”
  8. 8. Numerical data to verbal expressions Numerical data from OpenWeatherMap.org is translated into verbal expressions, for instance: • Wind direction in degrees to “north, northeast, east etc.” • Wind speed in m/s to Beaufort ”gentle breeze, strong breeze, gale etc.” • Temperature in degrees Fahrenheit to “cold, warm, hot, very hot etc.” • Rainfall in mm to “dry, moderate, heavy etc.” Text-to-speech is not suitable: expensive and does not cover the many (40) languages in Mali or other potential countries: • Solution: create audio clips and compose sentences at runtime
  9. 9. KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  10. 10. FEEDBACK FROM MALI • Reduce number of forecasts to two per day: Daytime Night time • Support for more languages • Translation of numerical temperature to verbal expressions not consistent with local standards KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  11. 11. PROTOTYPE #2 • Web based User Interface for administration and configuration • Ability to add more languages • Ability to add / modify countries, regions and places • Two forecasts per day (night, day), instead of four • Export usage data for analysis KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  12. 12. Add, modify and remove supported languages KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  13. 13. Add, modify and remove supported countries and assign languages KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  14. 14. Assign regions to the countries KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  15. 15. Assign places to countries and regions KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  16. 16. Upload audio clips in order to support additional languages KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  17. 17. Configure the system and download usage data KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  18. 18. Value-flow KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON
  19. 19. QUESTIONS? Thank you for your attention We will provide a demonstration of the Kasadaka Weather Service later KASADAKA WEATHER SERVICE – BOSMAN & FERGUSON

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