Re: [OSM-legal-talk] ODbl and collective databases

2011-07-11 Thread Frederik Ramm

David,

David Groom wrote:
This seems to be quite different to my interpretation, and it would be 
good to have some clarification, as the definition is quite fundamental 
to a number of use cases of OSM data.


You can always make an excerpt from an ODbL licensed database, which 
will then be an ODbL licensed database in its own right. That's the 
classic "derived database" thing.


While you have to retain attribution saying you derived this from X, in 
every other aspect your new, derived database stands on its own feet, 
and the ODbL applies to it in exactly the same fashion as it did to the 
"original" database.


Therefore, whenever the ODbL says "this database", that could either be 
the full OSM database; or you could make an excerpt from OSM, licensed 
under ODbL, which would then again be "this database" in a smaller context.


Apart from the attribution thing, the excerpted database is not 
different, legally, from the "mother database"; there is nothing in ODbL 
that refers to that mother database in any way.


Bye
Frederik

--
Frederik Ramm  ##  eMail frede...@remote.org  ##  N49°00'09" E008°23'33"

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[OSM-legal-talk] ODbl and collective databases

2011-07-11 Thread David Groom
The ODbL  defines a "Collective Database" as  " this Database in unmodified 
form as part of a collection of independent databases in themselves that 
together are assembled into a collective whole."


Now I had assumed that as far as the above definition was concerned that:

"Database" meant "Database as defined by the ODbL; and
"unmodified form"  meant that the Database had not been modified.

In posting to the talk-au list I have been told that my interpretation is 
incorrect.  Specifically "Database" could mean "Database" or "Derivative 
Database", and "unmodified form" is a merely a clarification of 
"independent" and does not mean unmodified.  On this basis a "collective 
Database" would then be defined as "This Database, or Derivative Database in 
independent form as part of a collection of independent databases in 
themselves that together are assembled into a collective whole" .


This seems to be quite different to my interpretation, and it would be good 
to have some clarification, as the definition is quite fundamental to a 
number of use cases of OSM data.


Regards

David





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