[HOT] Launching MapSwipe

Laura O'Grady laura at lauraogrady.ca
Mon Jul 18 22:14:26 UTC 2016


I suggest you calculate interrater reliability on the agreement rates if you’re not already.

 

Laura

 

Laura O’Grady

laura at lauraogrady.ca

 

From: Benjamin Herfort [mailto:Herfort at stud.uni-heidelberg.de] 
Sent: July-18-16 12:44 PM
To: hot at openstreetmap.org
Subject: Re: [HOT] Launching MapSwipe

 

Hey Joost,

tiles will be checked by several volunteers. And yes of course it is really interesting to see, how volunteers agree on different tasks.

We did some pre-studies using a browser version using pybossa on this that showed that once 4 volunteers agree on 'yes' you can be sure to 98% that this actually is a house. But there is definitely a greater variation for "harder" tasks. Nevertheless also some buildings were missed.

Kind regards,
Benni




-- 
GIScience Research Group Heidelberg University
http://uni-heidelberg.de/gis
 
https://www.facebook.com/GIScienceHeidelberg
https://twitter.com/GIScienceHD



Am 18.07.2016 um 18:27 schrieb joost schouppe:

Hi,
 
Just wanted to take the time to congratulate the team on this. Our tweet
about it got over 20 retweets and 2500 views [1] (which is a lot for an
account with little over 500 followers), and I even saw my boss swiping
away at work (because of my own retweet).
I hope it gets the exposure it deserves, as it's not just fun and useful,
but also improves the sat pic reading skills of our future new mappers.
 
I would love to get my hands on the generated data. Do some tiles get
checked twice (and what is the correlation between swipers)? Is there a
higher incidence of "unsure" tiles in some tasks, indicating harder to read
pictures?
 
 
[1] https://twitter.com/osm_be/status/753959061796843520
 
2016-07-13 15:57 GMT+02:00 Pete Masters  <mailto:pedrito1414 at googlemail.com> <pedrito1414 at googlemail.com>:
 

Hi all, how are you?
 
You might have heard mention of a new tool we are planning to launch on
Friday called MapSwipe. It's a Missing Maps initiative, developed by MSF,
designed to support OSM / HOT mapping. The idea is that people swipe
through imagery on their phones and identify areas with specified features
(roads, buildings, etc). The resulting data can then be plugged into the
tasking manager, meaning mappers have less empty bush, jungle, desert to
scan through, meaning we can all get on with mapping a bit quicker.
 
This is a first instance funded by MSF, so we will start off with Missing
Maps tasks in there, but we hope to soon open it up to others. The code is
also all on github.
 
The app will be available on Friday, but there is a landing page already
ready [1  <http://mapswipe.org/> <http://mapswipe.org/>] and I also did an interview on the BBC
world service show, Click, last night [2
 <http://www.bbc.co.uk/programmes/p040g4qr> <http://www.bbc.co.uk/programmes/p040g4qr>] in case you want to have a
listen.
 
When it comes to the launch on Friday, we would love your support in
getting the word out. The possibilities of using this kind of tool at scale
are fascinating and your help amplifying the message would be superb.
 
If you have any questions, just give me a shout!
 
Cheers,
 
Pete
 
 
 
[1] http://mapswipe.org/
[2] http://www.bbc.co.uk/programmes/p040g4qr
 
 
 
*Pete Masters*
Missing Maps Project Coordinator
+44 7921 781 518
 
missingmaps.org  <http://www.missingmaps.org/> <http://www.missingmaps.org/>
 
*@pedrito1414*  <https://twitter.com/TheMissingMaps> <https://twitter.com/TheMissingMaps>
*@theMissingMaps*  <https://twitter.com/TheMissingMaps> <https://twitter.com/TheMissingMaps>
*facebook.com/MissingMapsProject*
 <https://www.facebook.com/MissingMapsProject> <https://www.facebook.com/MissingMapsProject>
 
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