On Thu, Nov 18, 2010 at 10:28 AM, Richard Fairhurst <rich...@systemed.net>wrote:
> > Martijn van Exel wrote: > > > "If you alter, transform, or build upon this work, you may distribute > > > the resulting work only under the same or similar license to this one." > > Consider this case: someone wants to use OpenStreetMap data augmented > > with POIs from a closed source in a routing application. This routing > > application is then used within the company for which it is built, > > for commercial purposes. Do the POIs need to be released under > > CC-BY-SA? The word 'may' implies they do not. > > "May" in this case means "are permitted to", so in theory, yes they do need > to be released. > > But, as ever, the coach-and-horses hole in CC-BY-SA means that if your > routing application combines the POIs itself (i.e. on the client), you are > free to ignore the share-alike clause. You are not free to ignore the share-alike clause. You are simply avoiding it by not publishing the combined work. That's a feature of CC-BY-SA which can be used for the scenario you describe. It's maybe not what we originally envisaged when CC-BY-SA was selected but it's not such a bad thing. There are things in the proposed cure that are much worse. > It only applies if you deliver a > combined OSM/proprietary file from the server. > > cheers > Richard > > > -- > View this message in context: > http://gis.638310.n2.nabble.com/OSM-legal-talk-Share-alike-tp5750998p5751096.html > Sent from the Legal Talk mailing list archive at Nabble.com. > > _______________________________________________ > legal-talk mailing list > legal-talk@openstreetmap.org > http://lists.openstreetmap.org/listinfo/legal-talk >
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