[Tagging] Hotel dataset import? / Re: Baby-sitting

Sergio Manzi smz at smz.it
Wed Mar 13 14:44:30 UTC 2019

On 2019-03-13 15:27, Mateusz Konieczny wrote:
> Mar 13, 2019, 12:53 PM by smz at smz.it:
>     On 2019-03-13 12:15, Tom Pfeifer wrote:
>>     I think you misunderstand. OSM is based on locally sourced, handcrafted data. That creates the high quality.
>     That's totally inaccurate.
>     The reality is that OSM is based on imported data, augmented by locally sourced information (/of ///sometimes /questionable quality/).
>     Sergio
> [citation needed]
> It may be true in some rare regions, in many cases real mapping requires deletion of substandard
> imports dumped into OSM (see TIGER mess in USA, low quality landcover in Slovakia making
> mapping a horrible experience).
> Describing OSM as "imported data, augmented by" is as far as I known complete misrepresenting the
> situation.

I haven't said that OSM *is* imported data, but that it is *based on* imported data: that's different. And I never said that the "augmentation" contributed by mappers is of irrelevant importance (/even if sometime the quality is sub-par/).

Have mappers walked along the whole world coastlines? Have they descended all world's rivers by canoe? Have all Mumbay, New York, Rome, Shanghai, etc., streets and alleys been walked by volunteers mapping their location and names? All the peaks escalated?


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