Thanks Mike, really helpful!  clipol.org looks really interesting too.

/Peter


On 25 June 2013 20:54, Mike Linksvayer <[email protected]> wrote:

> On Tue, Jun 25, 2013 at 2:50 AM, Peter Liljenberg
> <[email protected]> wrote:
> > I understand that cc:Work and cc:License are separate, I'm really asking
> how
> > they relate to each others. Apologies for taking shortcuts in the
> notation.
> >
> > My interpretation was that if a cc:Work linked to a cc:License with
> > cc:require cc:Attribution, that put a very specific meaning on the
> > properties of the cc:Work. It appears from the responses here that that
> > isn't true.
>
> "Nothing is true, everything is permitted." :)
>
> > Is this closer to the intention of ccREL:
> >
> > 1) A tool can only use the properties of a cc:License to provide general
> > information to a user, e.g. "this work requires attribution, for details
> on
> > what this means follow the link to the license".  I.e. the tool can't
> > discern between one of the standard CC licenses or another license with
> > attribution requirements that are slightly different since cc:Attribution
> > could apply to both.
>
> The tool could bake in additional knowledge, if that were pertinent.
> Might not be...
>
> > 2) Even so, when a tool encounters cc:Work properties, it can assume that
> > they should be used in an attribution along CC lines. If that turns out
> to
> > not be 100% legally correct, it is still much better than not attempting
> to
> > do any attribution.
>
> ...right, IMO. And the bar is very low; look at attribution/notice
> typical in well funded publications using publicly licensed photos.
>
> > 3) If a tool want to provide more details, such as ensuring that the
> cc:Work
> > properties are used correctly in the attribution, the tool must itself
> > encode the requirements of a specific license URI.
>
> Yes, ie bake in additional knowledge about specific licenses. Or
> obtain more detailed descriptions of licenses elsewhere (probably
> baking in where). http://clipol.org is an interesting new project in
> this regard.
>
> > 4) If a tool want to compare licenses for equality, they have to use the
> > license URI.
>
> Right, but equality can mean various things. The bug at the start of
> this thread was using the wrong equality calculation to identify a
> license. Might also be used to determine compatibility/allowable
> licenses for remix -- in which case you need to identify individual
> licenses and have more detailed descriptions than CC provides; again
> clipol.org might be interesting.
>
> Mike
>
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