points of knowledge - crowdsourcing solutions to improve data accuracy and re-use in kenya
TRANSCRIPT
The Open Data 'Bazaar'Crowdsourcing Solutions to Improve Data
Accuracy and Re-use in Kenya
Qiyang [email protected]
Kenya Open Data Initiative
Inaccuracy for the efficacy of open data initiatives?
CitizensCompanies
Civil Society, etc
GovernmentLaunches
Open Data
Three Questions about Open Data
Data collector
Accuracy?
‘Crowds’
Leverage crowdsourcing to improve the validity?
Datasets
Location Datasets Kenya Primary School 2007 Health Facilities Kenya
Both available on Kenya Open Data site (opendata.go.ke, 2012)
Geospatial Information Datasets Global Administrative Unit Layers (GAUL) DigitalGlobe Global Basemap Google Earth
Results
Primary Schools Total: 31229 For validation: 110
(random sampling) Actual valid: 108
Health Facilities Total: 8232 For validation: 4867 Actual valid: 4644
4,203 in Digital Globe 441 in Google Earth
School locations
School locations
School Information
School Information
Basemaps selection
Basemaps selection
Track changes
Track changes
Connect available data to ‘crowds’ for more powerful feedbacks
Track changesTrack changes
Color of Locater Description Green Original location given in the datasetPurple New location added to the dataset
Red Proposed correction to the original locationYellow Current location selected to be moved
Let’s play……Honor Board with highlighted
contributors:
Last registered
Most active
Best contributor……
Measure global progress over time
Clear goals, easy to achieve
Editing locations and user
interactions
Future…… Multi-language interface Community built on Points of Knowledge
Users communication Allow picture-uploading and GPS position collection using mobile device
……
All datasets are fully open Open source solution
preferred Collaborative development
process
Unleashing the ‘wisdom of crowds’Innovation in Governance, World Bank Institute