[Talk-de] unusual cluster of German accounts

Werner Poppele poppele at hm.edu
Di Jan 10 07:23:09 UTC 2012

Richard Weait wrote:
> Hi All,
> I've found a cluster of accounts that mapped in Germany.  This cluster
> seems unusual to me.
> There are nine accounts.
> They all contributed only for one day.
> They all mapped in places in Germany.
> They all contributed a large number of changesets (on their first day
> of mapping).
> Each account uses similar changeset comments in German and English.
> None of the accounts has responded with respect to CT/ODbL.
> Looking further into the activity of these accounts, they each appear
> to make a test edit, followed later by larger edits.
> I don't know what to make of the seeming shared behaviour other than
> to say that it seems unusual.  Could mappers in the effected areas
> have a look at the contributions and offer opinions?  If these account
> have not been contacted w.r.t. CT/ODbL, perhaps they will all agree at
> the same time?
> List of unusual accounts with some similarity graphs.
> http://rweait.dev.openstreetmap.org/daily/cluster.html
> Best regards,
> Richard
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Good morning, Richard,

one possible explanation is that there mapped the participants of a 
seminar. But if you analyze the other contributions, it looks indeed a 
little curious. All users started at Wednesday, March 17 2010 around 
03:05. Maybe a mapping party ?


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