[OHM] Moving Razed Railways to OHM – Legal and Technical Matters

[Rob H Warren]

Agree with richard here. My suggestion for OSM data is to add a source / provenance tag as that allows for later fixes as details get worked out. -rhw


> On Nov 26, 2015, at 7:00 AM, historic-request at openstreetmap.org wrote:
> 
> On 11/25/15 4:30 PM, Michael Reichert wrote:
>> Are there any legal implications we have to care about? Or can we
>> just announce a "Let's delete old railways at OSM and add them to
>> OHM?". (We do not want to make a (semi-)mechanical mass import)
> OHM and OSM licensing may in the long run not be entirely compatible;
> OHM may be impelled towards public domain type licensing (i'll guess
> CC0 but it's not yet decided) for various reasons. it's a topic we have
> discussed a bit, and a reason why most of us are very careful about
> how we source OHM data. just copying stuff from OSM is likely to
> cause trouble in the long run. on the other hand, since the contributors
> of the railway data are mostly well known figures, you can ask them for
> permission; it's their contribution after all.
>> Is it just enough to copy the tags 1:1 and add start_date=* and
>> end_date=*?
> OHM would probably not use the abandoned/razed tags, but instead
> tag them as if they existed; start/end date take care of the rest.
> 
> richard