[Talk-in] Large number of damaging edits in India

I Chengappa imchengappa at gmail.com
Thu Oct 13 06:17:12 UTC 2016

Some of these editors have been active again. While most of their edits
seem to be useful, some of the data is wrong, and some edits have been
destructive. They do not respond to changeset comments. The areas of
activity include Mysore and Bangalore cities (I've not checked any others).
It would be useful if these areas could be monitored.

On 5 October 2016 at 09:13, Arun Ganesh <arun.planemad at gmail.com> wrote:

> Thanks everyone for helping compile the list of usernames and commenting
> on the changesets. Here it is: https://gist.github.com/planemad/
> 67d9f427c66d41f24262689ce8bba89e
> The data working group (woodpeck_repair) has cleaned up the edits of 3
> users but the left were left as it is. Attempting to use the revert scripts
> on them were partially successful but did not completely clean the edits.
> The scripts are not very well documented and it is unclear how they should
> be used to make a clean revert of all the user's edits. If anyone has any
> knowledge on using the perl scripts please share.
> On Mon, Oct 3, 2016 at 11:16 AM, Arun Ganesh <arun.planemad at gmail.com>
> wrote:
>> There has been a sudden burst of editing activity in Bangalore, Mumbai
>> and Jabalpur and many important roads have gone missing and replaced with
>> fictional data. It looks like some kind of classroom activity but at the
>> moment its unclear whats going on.
>> Will need some help to track down the usernames that have created the bad
>> data and revert them to its previous state. We still dont have good tools
>> to detect and undo such edit and there is a bit of manual work involved.
>> - Use OSM changeset analyzer to filter and mark the bad edits as harmful
>> [1]
>> - Once we have a list of usernames, I can run the revert-scripts to undo
>> their changes [2]
>> - Send a changeset message to each of these users to enquire what
>> happened and provide help to contribute [3]
>> If you have the team please review and mark the harmful ones, this will
>> be a huge help!
>> [1] https://osmcha.mapbox.com/?delete__gte=1&comment__iconta
>> ins=creat&bbox=63%2C7%2C103%2C33&is_suspect=False&is_
>> whitelisted=True&harmful=False&checked=False
>> [2] https://github.com/woodpeck/osm-revert-scripts
>> [3] http://www.openstreetmap.org/changeset/42605833
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