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Community Mapping As A Socio-   Technical Work Domain   Mark Iliffe, Robert Houghton and             Jeremy Morley
Break It Down
Community Mapping“local mapping, produced collaboratively, bylocal people and often incorporating alternativelocal knowled...
Tandale, August 2011                       (c) OpenStreetMap contributors, CC-BY-SA
(c) OpenStreetMap contributors, CC-BY-SA
http://www.flickr.com/photos/markiliffe/6147128797
Measuring VGI Data QualityQuality Metric   Countries           ReferencesCompleteness     England, Germany,   Haklay (2010...
Definitive Total Length 4,728,128.50mOSM Total Length      4,319,135.92mDiscrepancy           408,992.58m (8.65%)
HOW DO YOU MEASURE QUALITYWHEN THERE IS NO COMPARATIVEDATASET?
Work Domain Analysis• Understand the system with a holistic  approach, not just what happens, but what  are the drivers an...
Future Work• Thematic Mapping, understand the quality  attributes and methodologies of Thematic  Quality• “Go all the way”...
References•   Getting past first base: Going all the way with Cognitive Work Analysis, McIlroy, R    and Stanton, N. Appli...
Community Mapping As A Socio-Technical Work Domain
Community Mapping As A Socio-Technical Work Domain
Community Mapping As A Socio-Technical Work Domain
Community Mapping As A Socio-Technical Work Domain
Community Mapping As A Socio-Technical Work Domain
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Community Mapping As A Socio-Technical Work Domain

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Community Mapping As A Socio-Technical Work Domain

  1. 1. Community Mapping As A Socio- Technical Work Domain Mark Iliffe, Robert Houghton and Jeremy Morley
  2. 2. Break It Down
  3. 3. Community Mapping“local mapping, produced collaboratively, bylocal people and often incorporating alternativelocal knowledge” - Perkins 2007
  4. 4. Tandale, August 2011 (c) OpenStreetMap contributors, CC-BY-SA
  5. 5. (c) OpenStreetMap contributors, CC-BY-SA
  6. 6. http://www.flickr.com/photos/markiliffe/6147128797
  7. 7. Measuring VGI Data QualityQuality Metric Countries ReferencesCompleteness England, Germany, Haklay (2010), Koukoletsos et al. (2012), France, Haiti Zelestra and Zipf (2010), Girres and Touya (2011), Koukoletsos (2012)Logical France Girres and Touya (2011)ConsistencyPositional England, Germany, Haklay (2010), Zelestra and Zipf (2010), Neis et al.Accuracy France, Haiti (2012), Girres and Touya (2011), Koukoletsos (2012)Thematic France, Haiti Girres and Touya (2011), Koukoletsos (2012)AccuracyTemporal France Girres and Touya (2011)AccuracyUsage and France Girres and Touya (2011)Purpose
  8. 8. Definitive Total Length 4,728,128.50mOSM Total Length 4,319,135.92mDiscrepancy 408,992.58m (8.65%)
  9. 9. HOW DO YOU MEASURE QUALITYWHEN THERE IS NO COMPARATIVEDATASET?
  10. 10. Work Domain Analysis• Understand the system with a holistic approach, not just what happens, but what are the drivers and ‘values’ of the system to the physical objects. – Rassmussen et. al (1994) and Vicente (1999)
  11. 11. Future Work• Thematic Mapping, understand the quality attributes and methodologies of Thematic Quality• “Go all the way” with Work Domain Analysis – Getting past first base: Going all the way with Cognitive Work Analysis, McIlroy, R and Stanton, N. Applied Ergonomics (2011),
  12. 12. References• Getting past first base: Going all the way with Cognitive Work Analysis, McIlroy, R and Stanton, N. Applied Ergonomics (2011)• Perkins, C. (2007). Community Mapping. The Cartographic Journal, 44(2), 127–137.• Rasmussen, J., Pejtersen, A., Goodstein, L.P., 1994. Cognitive Systems Engineering. Wiley, New York.• Vicente, K.J., 1999. Cognitive Work Analysis: Toward Safe, Productive, and Healthy Computer-Based Work. Lawrence Erlbaum Associates, Mahwah, NJ.• Haklay, M. (2010). How good is volunteered geographical information? A comparative study of OpenStreetMap and Ordnance Survey datasets. Environment and planning B: Planning and design, 37(4), 682–703.• Girres, J.-F., & Touya, G. (2010). Quality Assessment of the French OpenStreetMap Dataset. Transactions in GIS, 14(4), 435–459.• Neis, P., Zielstra, D., & Zipf, A. (2012). The Street Network Evolution of Crowdsourced Maps: OpenStreetMap in Germany 2007–2011. Future Internet, 1– 21. doi:10.3390/fi4010001• Koukoletsos, T. et al. (2012). A Framework for Quality Evaluation of VGI linear datasets. University College London.

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