Is Volunteered Gi Sustainable
-
Upload
steven-feldman -
Category
Technology
-
view
1.572 -
download
0
description
Transcript of Is Volunteered Gi Sustainable
Is Volunteere
d Geographi
c Informatio
n Sustainabl
e?Steven Feldman
Agenda• Sustainability• Participation• Motivation• Future Gazing
• 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?
What do you want from a street map?
Complete
Known accuracy
Currency
Becoming sustainable?
Proce
ssPeopl
e
Growing numbers of contributors
Soaring to new heights
Past the tipping point?
Contributor Fatigue
Is there a VGI tail off?
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
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
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
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
Observations• Most cities dependent upon small
number of contributors• Some evidence of user fatigue• Large cities attract new major
contributors, small ones don’t
Updates
OpenStreetMappers?
Values
Social
Un
ders
tan
di
ng
Protection
Fun
Ideology
• Values• Social• Understanding• Career
• Protective• Enhancement• Fun• Ideology
Top 4 motivations
1. Fun2. Ideology3. Values4. Understanding
What does this mean for OpenStreetM
ap?
Invite a Big Guy
Is Volunteere
d Geographi
c Informatio
n Sustainabl
e?
YES
Than
k You
Steven FeldmanKnowWhere
e: [email protected]: http://GIScussions.blogspot.comt: http://twitter.com/stevenfeldman