Dear Charles,

On Sep 22, 2013, at 5:49 AM, Charles Plessy wrote:

> Le Sat, Sep 21, 2013 at 06:46:55PM -0400, Nick Oosterhof a écrit :
>> 
>> are the Open Database License (ODbL) [1] and Database Contents License 
>> (DbCL) DSFG [2] compliant? [...] I found an earlier thread [3] where it was 
>> argued that section 4.6 of the ODbL [1] makes it non-compliant (I presume 
>> with DSFG 1) [section 4.6 requires that using the database and distributing 
>> the results requires making the database or 'patch' files available for 
>> non-profit costs  ]
>> 
>> which would restrict people from selling a Derivative Database or Produced 
>> Work for significant (higher than reasonable production) cost.
>> 
>> Is that a reasonable interpretation?
> 
> in case of use for profit, the section 4.6 requires that the customer can
> access to what the DFSG call "source code" or "patch files", with no
> unreasonable additional cost.  It therefore does not restrict people from
> selling a Derivative Database or Produced Work for significant cost.

Thanks for the clarification. I think I understand this better now: a customer 
who pays for the database has to have access to the database can decide for 
theirselves whether to sell the database to others.

> 
> This is similar to the requirements for conveying non-source forms in the GPL
> and the AGPL, which are accepted as Free by Debian.

Ok, that makes sense.

> I have not studied the other clauses of the ODbL, but section 4.6 therefore
> does not seem to make it non-free.

Great, thanks for your help in clarifying this.

best,
Nick

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