[Imports] Fwd: Marin County data license

Dan S danstowell+osm at gmail.com
Fri Oct 31 11:14:29 UTC 2014


Serge,

It reads to me as if the "must" is a condition on the use of the name
"MarinMap", not a condition on the use of the data.

Best
Dan


2014-10-31 11:08 GMT+00:00 Serge Wroclawski <emacsen at gmail.com>:
> The minute you use the word "MUST", it's not a request, it's a demand.
> If the data was public domain, there would be no restrictions.
>
> Also, no where on the page does it use the word "Public domain", nor
> in any of the data I downloaded, does it have a license listed.
>
> Therefore it falls back to plain old copyright.
>
> - Serge
>
> On Fri, Oct 31, 2014 at 7:06 AM, Martin Koppenhoefer
> <dieterdreist at gmail.com> wrote:
>>
>> 2014-10-31 11:54 GMT+01:00 Serge Wroclawski <emacsen at gmail.com>:
>>>
>>> So let me explain why it's contradictory. Public domain is a term of
>>> art. If something is public domain, you can place *no* restrictions on
>>> it. You can't say that there's a requirement for attribution. You can
>>> even take a public domain work and claim copyright ownership over it.
>>
>>
>>
>> Serge, by looking at their reply I'm not sure it contains any restrictions:
>>
>>> "You may download public domain data from the MarinMap GIS data download
>>> site.
>>>
>>> You do not need a license to use public domain data.
>>>
>>> You may acknowledge “MarinMap” as the original source, but you MUST state
>>> that MarinMap has no responsibility or warranty regarding data after they
>>> have entered the public domain.
>>>
>>> You may use the legalese from the disclaimer web page to facilitate
>>> writing a disclaimer.
>>>
>>> URL of the disclaimer page:
>>> http://www.marinmap.org/dnn/Pages/LegalNoticeDisclaimer.aspx"
>>
>>
>>
>> They say you might (even though you don't have to) attribute them, but if
>> you attribute you must make clear that there is no implied warranty.
>>
>> On the linked page they also state: "Most map data, especially parcels, are
>> not survey precise."
>> this is a hint that the quality might not be as good as what we typically
>> have in OSM (at least in areas which haven't suffered from bad imports)
>>
>> cheers,
>> Martin
>
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