> Hi, > > I'm creating a web site where people can set locations for places over a osm > map. I also allow public to download these coordinate sets freely. > I think according to your share-alike license the derived coordinates must > be under the same license (by-sa 2.0)? I'm ok about this. > > However, people are also inserting additional information about these gps > coordinates, such as place names, address, etc. > As the data set is a combination of gps coordinates (derived from osm map) > and names, addresses etc. does it mean that the whole data set must be > licensed under by-sa-2.0?? > > BR, > Kari
I'm anwering myself, as I found the answer in FAQ. (should have read it first!!) http://wiki.openstreetmap.org/index.php/Common_licence_interpretations "I created a layer on top of an OSM map. What do I have to put under your license? ... If what you create is based on OSM data (for example if you create a new layer by looking at the OSM data and refering to locations on it) then it is likely you have created a derivative work. ... If you have created a derivative work, the work as a whole must be subject to the OSM licence. .." I was thinking about licensing my own data under CC-BY, but your FAQ says that I have to license it under CC-BY-SA. I see two options for me: 1. Dual license the data (all data with coordinates under CC-BY-SA, my data without the coordinates under CC-BY) 2. Single license the data under CC-BY without any coordinates. No one will have access to the coordinates. BR, Kari
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