discussion of the Creative Commons Metadata work

[Michael Dorrington <michael.dorrington AT gmail.com>]

Hi Nathan

Thank you for your excellent response and for opening the two issues on
XMP support.
I've notified the Maintainer of xmpincl of your comments on the XMP
example licence that xmpincl includes.

Regards,
Michael.

Nathan Yergler wrote:
> Hi Michael,
> 
> It appears that the example XMP included in [2] was generated using
> our old approach to marking works with license information.  Before
> the publication of the CC Rights Expression Language
> (http://wiki.creativecommons.org/CC_REL), we recommended including the
> full <License> block in both XMP and HTML documents.  We've since
> realized that this is redundant and not particularly helpful: the
> license is the canonical source of information about itself, so we now
> recommend specifying the license by URI.  Interested agents can
> de-reference that to discover more information.
> 
> The XMP generated by the chooser does provide the minimal amount of
> information needed to associate a work with the license, but you're
> correct, it does not include the additional metadata you can provide.
> I've opened two new issues for our XMP support: one to restore the
> visible link and another to update the template we use to generate
> that.
> 
> http://code.creativecommons.org/issues/issue548
> http://code.creativecommons.org/issues/issue547
> 
> Finally, please note that the CC Tools repository at Sourceforge is
> deprecated; we're hosting our own source repositories these days at
> http://code.creativecommons.org/.
> 
> Nathan
> 
> 
> On Tue, Mar 2, 2010 at 11:40 AM, Michael Dorrington
> <michael.dorrington AT gmail.com> wrote:
>> I want to be able to embed CC licences[0] in PDFs made via LaTeX.
>>
>> I'm using xmpincl[1] to embed a licence which works great. I can embed
>> the included example licence of CC-GNU GPL listed in the "The XMP
>> inclusion package" document[2]. But I want to embed a different licence
>> so I need the corresponding XMP file.
>>
>> Many pages on the creative commons site, for example the one on XMP[3]
>> and the one on XMP embedding for pdflatex[4], say that the licensing
>> process[5] offers an XMP template. I can't find this option either
>> before or after the licence is generated. However, there is trick to get
>> the XMP file. Select the licence you want, for example:
>>
>>  Allow commercial uses of your work? Yes
>>  Allow modifications of your work? No
>>  Jurisdiction of your licence: None of the above
>>
>>  Additional information
>>  Tell us the format of your work: Text
>>  Title of work: FIXME_TITLE_OF_WORK
>>  Attribute work to name: FIXME_ATTRIBUTE_WORK_TO_NAME
>>  Attribute work to URL: FIXME_ATTRIBUTE_WORK_TO_URL
>>  Source work URL: FIXME_SOURCE_WORK_URL
>>  More permissions URL: FIXME_MORE_PERMISSIONS_URL
>>
>> Click "Select a Licence". This loads a long URL[6]. Now change
>> "results-one" to "xmp" in the URL[7]. This new URL will load
>> "CC_Attribution-No_Derivative_Works_3.0_Unported.xmp". This XMP file
>> contains nothing from, and is not influenced by, the "Additional
>> information" section of the "Choose a License" page[5] so you get same
>> result from missing it out[8]. Now this XMP doesn't include all the
>> elements that are in CC-GNU GPL XMP listed in the "The XMP inclusion
>> package" document[2]. It doesn't have any "Agent" elements nor does it
>> have any "permits" or "requires" elements. I can use hyperref (and
>> beamer) to set Agent-like information in the PDF.
>>
>> Another source of machine readable licences is the RDF versions of
>> licences that are part of cctools[9]. These include an RDF version of
>> "CC_Attribution-No_Derivative_Works_3.0_Unported"[10]. These RDF
>> licences include elements of "permits", "requires" and the "title" in
>> many languages other than English. These elements are not in the XMP
>> file obtained from the "Choose a License" page[5]. Could this be because
>> it is using an older, simpler schema as described in "Embedded Metadata
>> with XMP"[11] that has now be extended to the current schema[12]?
>>
>> Given all this, is the XMP file generated via the "Choose a Licence"
>> method[8] sufficient to convey the licence? And if not, then what XMP
>> file should I use?
>>
>> Your advice is very much appreciated. Please note that I am not
>> subscribed to the list so please CC me.
>>
>> Regards,
>> Michael.
>>
>> [0] British English spelling.
>> [1] http://www.ctan.org/tex-archive/macros/latex/contrib/xmpincl/
>> [2] http://mirror.ctan.org/macros/latex/contrib/xmpincl/xmpincl.pdf
>> [3] http://wiki.creativecommons.org/XMP
>> [4] http://creativecommons.org/weblog/entry/4270
>> [5] http://creativecommons.org/choose/
>> [6]
>> http://creativecommons.org/choose/results-one?q_1=2&q_1=1&field_commercial=yes&field_derivatives=n&field_jurisdiction=&field_format=Text&field_worktitle=FIXME_TITLE_OF_WORK&field_attribute_to_name=FIXME_ATTRIBUTE_WORK_TO_NAME&field_attribute_to_url=FIXME_ATTRIBUTE_WORK_TO_URL&field_sourceurl=FIXME_SOURCE_WORK_URL&field_morepermissionsurl=FIXME_MORE_PERMISSIONS_URL&lang=en_GB&language=en_GB&n_questions=3
>> [7]
>> http://creativecommons.org/choose/xmp?q_1=2&q_1=1&field_commercial=yes&field_derivatives=n&field_jurisdiction=&field_format=Text&field_worktitle=FIXME_TITLE_OF_WORK&field_attribute_to_name=FIXME_ATTRIBUTE_WORK_TO_NAME&field_attribute_to_url=FIXME_ATTRIBUTE_WORK_TO_URL&field_sourceurl=FIXME_SOURCE_WORK_URL&field_morepermissionsurl=FIXME_MORE_PERMISSIONS_URL&lang=en_GB&language=en_GB&n_questions=3
>> [8]
>> http://creativecommons.org/choose/xmp?q_1=2&q_1=1&field_commercial=yes&field_derivatives=n&field_jurisdiction=&lang=en_GB&language=en_GB&n_questions=3
>> [9]
>> http://cctools.svn.sourceforge.net/viewvc/cctools/license.rdf/trunk/license_rdf/
>> [10]
>> http://cctools.svn.sourceforge.net/viewvc/cctools/license.rdf/trunk/license_rdf/creativecommons.org_licenses_by-nd_3.0_.rdf
>> [11]
>> http://wiki.creativecommons.org/images/f/ff/Creativecommons-embedded-metadata-with-xmp_eng.pdf
>> [12] http://creativecommons.org/ns#
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