[OSM-legal-talk] Is the "data share-alike" road navigable?

[Mike Collinson]

At 09:29 PM 8/03/2007, Richard Fairhurst wrote:
>Tom Chance wrote:
>
>> One alternative might be to draft a license that says: you can make   
>> pretty maps and reserve all rights, but you must release the source   
>> material used back under this same license. Such a requirement has   
>> been discussed in the CC community, but it's generally regarded as   
>> too onerous or complicated to implement in a copyright license. Is   
>> this something that you, Richard and others who disapprove of a   
>> blanket BY-SA license, would approve of?
>
>Bingo! Yes, spot on (for me at least).
>
>cheers
>Richard

I think this only works for the cottage cartographer?

As I understand, this is  varying the original proposal as follows:

1. Database of GPS traces - public domain, possibly with a license to get around EU database rights to achieve the same effect

2. Database of nodes, etc. - share-alike licensed

3. Maps produced from data - up to the creator (proprietary, share-alike, whatever), but you must release the source material used back under the same database license above.


For someone whose value add is making good maps, it works providing they are not using other licensed data or a client's private data.

For the Reading University case (sorry I forget your name) it only partially works.  Creating/enhancing the base OSM Reading street data directly makes sense for everyone.  But if the client has to be persuaded to give up extra private data, it is probably easier just to use commercial data as a base.

For ITN, it doesn't work if they combined any Google data because ITN cannot release that source material.

For Nestoria, http://www.nestoria.co.uk/cowes/property/buy , it does not work because they have to release all their property listing information displayed on their map to competitors for free.

For Multimap, http://www.multimap.com, I don't know how they are using OSM data. Would someone clarify?


Mike 
Manila 
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