is volunteered gi sustainable
DESCRIPTION
Is Volunteered Geographic Information sustainable? What is a sustainable map? Why do people contribute to open projects and in particular OpenStreetMap? How can OSM build and sustain its community?TRANSCRIPT
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Is Volunteere
d Geographi
c Informatio
n Sustainabl
e?Steven Feldman
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Agenda• Sustainability• Participation• Motivation• Future Gazing
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• How many of you contribute to OSM?– Frequently– Moderately– Once or twice
• How many of you earn a living or part from GI?
• Other IT?• Married?• Kids?
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What do you want from a street map?
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Complete
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Known accuracy
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Currency
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Becoming sustainable?
Proce
ssPeopl
e
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Growing numbers of contributors
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Soaring to new heights
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Past the tipping point?
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Contributor Fatigue
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Is there a VGI tail off?
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North London
0
500
1000
1500
2000
2500
3000
3500
4000
Long tail – Top 10 contributors out of
189 contributed 81%!
0
200
400
600
800
1000
1200
1400
1600
0
500
1000
1500
2000
2500
Oct
-05
Tot
al
Apr
-06
Tot
al
Jun-
06 T
otal
Aug
-06
Tot
al
Oct
-06
Tot
al
Dec
-06
Tot
al
Feb
-07
Tot
al
Apr
-07
Tot
al
Jun-
07 T
otal
Aug
-07
Tot
al
Oct
-07
Tot
al
Dec
-07
Tot
al
Feb
-08
Tot
al
Apr
-08
Tot
al
Jun-
08 T
otal
Aug
-08
Tot
al
Oct
-08
Tot
al
Dec
-08
Tot
al
Feb
-09
Tot
al
Apr
-09
Tot
al
Jun-
09 T
otal
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Redlands, California
0
100
200
300
400
500
600
700
800
900
75% of contributions from 2 users
0
100
200
300
400
500
600
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Belfast
0
200
400
600
800
1000
1200
84% of contributions from
4 people
0
100
200
300
400
500
600
700M
ar-0
7 T
otal
May
-07
Tot
al
Aug
-07
Tot
al
Oct
-07
Tot
al
Nov
-07
Tot
al
Dec
-07
Tot
al
Jan-
08 T
otal
Mar
-08
Tot
al
Apr
-08
Tot
al
May
-08
Tot
al
Jun-
08 T
otal
Jul-0
8 T
otal
Aug
-08
Tot
al
Sep
-08
Tot
al
Oct
-08
Tot
al
Nov
-08
Tot
al
Dec
-08
Tot
al
Jan-
09 T
otal
Feb
-09
Tot
al
Mar
-09
Tot
al
Apr
-09
Tot
al
May
-09
Tot
al
Jun-
09 T
otal
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Amsterdam
0500
100015002000250030003500400045005000550060006500700075008000850090009500
10000
76% of edits (exc AND) from 5
contributors out of 104
0
2000
4000
6000
8000
10000
12000
Mar
-07
Total
Jun-
07 Tota
l
Sep-0
7 Tota
l
Nov-07
Total
Jan-
08 Tota
l
Mar
-08
Total
May
-08
Total
Jul-0
8 Tot
al
Sep-0
8 Tota
l
Nov-08
Total
Jan-
09 Tota
l
Mar
-09
Total
May
-09
Total
Jul-0
9 Tot
al
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Observations• Most cities dependent upon small
number of contributors• Some evidence of user fatigue• Large cities attract new major
contributors, small ones don’t
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Updates
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OpenStreetMappers?
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Values
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Social
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Un
ders
tan
di
ng
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Protection
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Fun
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Ideology
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• Values• Social• Understanding• Career
• Protective• Enhancement• Fun• Ideology
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Top 4 motivations
1. Fun2. Ideology3. Values4. Understanding
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What does this mean for OpenStreetM
ap?
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Invite a Big Guy
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Is Volunteere
d Geographi
c Informatio
n Sustainabl
e?
YES
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Than
k You
Steven FeldmanKnowWhere
e: [email protected]: http://GIScussions.blogspot.comt: http://twitter.com/stevenfeldman