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cc-devel - Re: [cc-devel] How to deal with multiple content items & possible different licenses?

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  • From: BjornW <burobjorn AT gmail.com>
  • To: Peter Liljenberg <peter AT commonsmachinery.se>
  • Cc: "cc-devel AT lists.ibiblio.org" <cc-devel AT lists.ibiblio.org>
  • Subject: Re: [cc-devel] How to deal with multiple content items & possible different licenses?
  • Date: Wed, 20 Nov 2013 18:43:40 +0100

Hi Peter,

Thanks for your quick reply. This seems to be exactly I was looking for!

I'm not completely sure, but I think I can even implement option #3.
I'll keep you & the rest of the mailinglist updated on how I've
implemented this.

grtz
BjornW


On 20-11-13 18:17, Peter Liljenberg wrote:
> On 20 November 2013 17:19, BjornW <burobjorn AT gmail.com
> <mailto:burobjorn AT gmail.com>> wrote:
>
> Btw I'm not sure how to use the same warning in RDF in such a way
> that parsers are also made aware of this (not sure if this would
> be even
> possible given that this might be something part of an individual
> parser' implementation).
>
>
> With the risk of misunderstanding you, here's some thoughts on this
> based on my experiments with using RDFa on web pages automatically
> (see http://commonsmachinery.se/labs/ for runnable prototypes)
>
> RDFa allows you to identify which object you are describing, so you
> can describe the different licenses for multiple resources on a page.
> The ccREL guide has an example of this:
> http://labs.creativecommons.org/2011/ccrel-guide/#Multiple
>
> That example is about an individual image on a web page. If we
> consider the case of a post on a blog I can see three alternatives.
> In this example, the post has the URL http://myblog/guest-post/ while
> the blog as a whole has the URL http://myblog/.
>
> Alternative 1: just describe the post license. On the page
> http://myblog/guest-post/, you would just have something like:
>
> <div about="">
> Post author: <span property="cc:attributionName">Mr. Guest
> Author</span><br>
> Post license: <a
> href="http://creativecommons.org/licenses/by-sa/3.0/";>CC BY-SA 3.0</a>
> </div>
>
> The about="" is implied, and can be skipped if that makes things easier.
>
>
> Alternative 2: describe the license for both this post and the blog as
> a whole. This can in the easiest case be done by including the block
> above, and then an additional block about the blog as a whole:
>
> <div about="http://myblog/";>
> Blog license (except where noted): <a
> href="http://creativecommons.org/licenses/by/3.0/";>CC BY 3.0</a>
> </div>
>
> The risk with this approach is that it is not clear to an RDFa user
> what license applies to header images etc. If that is really
> important, perhaps the best approach is to include a license block
> such significant page items too.
>
>
>
> Alternative 3: identify the section of the web page that's the guest
> blog post. While I think this could be a really good way to provide a
> lot of information to tools, it is probably still pretty experimental.
> This requires that the plugin can mark the block that contains the
> blog post itself, e.g.:
>
> <div id="#post-4711">
> Hi, this is my guest post about ...
> </div>
>
> <div about="#post-4711">
> Post author: <span property="cc:attributionName">Mr. Guest
> Author</span><br>
> Post license: <a
> href="http://creativecommons.org/licenses/by-sa/3.0/";>CC BY-SA 3.0</a>
> </div>
>
> And then the standard blog license block, now about the page as a
> whole again:
>
> <div about="">
> Blog license (except where noted): <a
> href="http://creativecommons.org/licenses/by/3.0/";>CC BY 3.0</a>
> </div>
>
>
> On balance, I think alternative 2 is the best trade-off in a
> production tool here and now, although it adds a bit of complexity to
> the plugin.
>
> Regards,
> Peter Liljenberg, Commons Machinery


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