[OSM-talk] Massive import of airports

[Richard Fairhurst]

Toby Murray wrote:
> The source is documented in both the changeset comments and on the 
> nodes themselves. I saw a conversation on IRC to the effect that the 
> data is indeed PD so there don't seem to be any worries on that front 
> at least.

A simple assertion that "this is PD" isn't good enough. Lots of people don't
have any understanding of IP in geodata, and will happily trace from Google
Maps then say "I declare the result to be CC-BY/PD/CC-BY-SA/entirely my
copyright/what-have-you". Pretty much the entire quantity of Wikipedia's
co-ordinate data is like this, for example.

We need some confidence as to the actual surveying method before being able
to take a PD declaration on trust.

cheers
Richard


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