[OSM-legal-talk] A legal question

Michael Collinson mike at ayeltd.biz
Sat Apr 16 15:05:15 BST 2011

Hi Eldad,

This link http://www.osmfoundation.org/wiki/License may also help with 
general information. We are evolving it to help folks such as yourself, 
so if there is anything unclear or confusing, please do no hesitate to 
email me.


On 16/04/2011 15:55, Simon Biber wrote:
> Hi Eldad,
> It sounds like your meta data is derived from the OSM map data, in 
> which case it must be licensed as CC-BY-SA.
> This doesn't mean you have to actively contribute it back to the 
> community. You can restrict access or allow users to set up access 
> controls on your website.
> But if someone who does have access to the work decides to copy it and 
> make it publically available, you can't prevent them from doing so. 
> The CC-BY-SA license gives anybody that freedom.
> Kind regards,
> Simon.
> On 16/04/2011, at 10:54 PM, Eldad Yamin <eldad87 at gmail.com 
> <mailto:eldad87 at gmail.com>> wrote:
>> Hello,
>> I want to use OSM data/map in order to create a map based service.
>> The users of my service will be able to create meta-data (POIs, trips 
>> and path) on the map and share it them with their friends.
>> Please note,
>> I'm not going to change the map data itself at all, only storing 
>> meta-data that was created by my users.
>> Is it something that I must contribute back to the community or 
>> something that I can set as optional setting to my users?
>> if the answer is yes, can I give my users the option to authorize who 
>> can view their data?
>> Thanks,
>> Eldad.

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