You might have knowledge of this already, but Worst of OSM epitomizes this.

[1] -

2016-10-14 0:55 GMT+01:00 Jóhannes Birgir Jensson <>:

> I'm giving a lecture in a weeks time on crowd-sourcing GIS data at a
> GIS-event in Iceland.
> As we know OSM gets a bit of bad edits, some of them in good faith, a very
> minor part vandalism. I will highlight a couple of examples just to give
> people an idea of the risks but just looking at OSM itself so far we are
> well ahead in risk vs reward for an open GIS dataset!
> I will mention the edit boom that came with editing feature and
> have a couple of amusing examples from Iceland but would appreciate more.
> Also if anyone has any statistics about vandalism ratio and other bad
> edits I would love to see that.
> regards,
> Jóhannes
> OSM Iceland
> _______________________________________________
> talk mailing list

Um Abraço,
Marcos Oliveira
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