[Tagging] Data redundancy with "ref" tag on ways vs relations
aschoell at gmail.com
Mon Jul 30 22:01:44 BST 2012
On Mon, Jul 30, 2012 at 11:08 AM, Paweł Paprota <ppawel at fastmail.fm> wrote:
> > the more redundancy the more
> > automated checks can be done to find errors.
> Sorry if I am being too harsh, I am not trying to be mean or anything
> but... I don't understand how this sentence would be true in any
> context. More redundancy, especially redundancy in data entered by
> humans, simply invites more opportunity for errors. So of course QA
> tools will find more errors - simply because there is more data to
there are different types of errors and you focus on one only. I am not
going to argue with examples or explanations. If you don't want to see it
you won't see it.
The concept of OSM (and any crowd source project) is in no way similar to
traditional knowledge collection. And for consumers it's even more
different. It's a social project not a technical one. Errors are a key
ingredient to keep the ball running. The number in the DB is not important.
A data consumer has to decide what data is useful and try to make the best
possible use. The number of errors remaining in the consumer application is
what is important at the end.
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