[Crm-sig] CIDOC CRM License proposal: "Creative Commons : Attribution-Share Alike 3.0 Unported"

Sean Gillies sean.gillies at gmail.com
Sun Nov 9 23:25:26 EET 2008

Effect on derivative works is explained clearly at



Marco Neumann wrote:
> Thank You Prodomos for your quick response. Do you know how the
> CC_BY_SA relates to derivative works? And how does the LGPL compare
> here?
> Marco
> On Fri, Nov 7, 2008 at 1:03 PM, Prodromos Tsiavos <p.tsiavos at lse.ac.uk> wrote:
>> Dear Marco,
>> This will depend on the range of uses you envisage for the CIDOC CRM OWL and
>> RDF files.
>> If you wish them to be freely copied and transformed, then the
>> CC_Attribution_ShareAlike element is perfect. Mind you that people will be
>> able to use them commercially and make commercial adaptations as well. If
>> you don't wish commercial applications, you will need to add the
>> NonCommercial (NC) element.
>> In the case you want to allow adaptations (which I would intuitively suggest
>> you should), my suggestion is NOT to include the NC element, as it would
>> limit the interoperability of the documents with other OWLs or RDFs licensed
>> under the GFDL licence (GFDL is only compatible with CC_BY_SA v.3.0. Btw,
>> this compatibility has only been achieved earlier this week and has been a
>> major breakthrough for open/ copyleft licensing).
>> Also, all CC licences have the requirement of attribution. To facilitate
>> compliance, it would be nice if you could provide some guidance to potential
>> users of the files (e.g. if you wish some sort of reference to CIDOC or the
>> specific authors of the OWL and RDFs you will need to include them in the
>> pdf file or the web-page where they are to be downloaded from).
>> Finally, please ensure (a) you do not impose any copy restrictions on the
>> relevant pdf documents and (b) that you use the CC_BY_SA v. 3.0 and NOT the
>> 2.0 where the link is from. Version 3.0 of the licences takes better care of
>> the attribution provisions, contains non-endorsement clauses, takes care of
>> neighbouring rights and is compatible with the GFDL licences. The URL for
>> v.3.0 CC_BY_SA is:
>> http://creativecommons.org/licenses/by-sa/3.0/
>> Well, that's my two cents :)
>> Hope you finally release it under one of the CC licences.
>> With best wishes,
>> Prodromos
>> ----- Original Message ----- From: "Marco Neumann" <marco.neumann at gmail.com>
>> To: "crm-sig" <crm-sig at ics.forth.gr>; <p.tsiavos at lse.ac.uk>
>> Sent: Friday, November 07, 2008 6:18 PM
>> Subject: CIDOC CRM License proposal: "Creative Commons : Attribution-Share
>> Alike 3.0 Unported"
>>> Dear CIDOC CRM SIG members and associated groups,
>>> As discussed today in the CIDOC CRM SIG session we consider the
>>> possibility of adopting the  "Creative Commons : Attribution-Share
>>> Alike 3.0 Unported" license for publishing the CIDOC CRM OWL and RDFS
>>> files on the web.
>>> http://creativecommons.org/licenses/by-sa/2.0/
>>> Is this a good license choice to protect the intellectual property of
>>> the CIDOC CRM SIG and at the same time stimulate the adoption in the
>>> community and on the Web?
>>> Best,
>>> Marco
>>> Marco Neumann
>>> KONA
>>> New York, NY 10010
>> Please access the attached hyperlink for an important electronic
>> communications disclaimer:
>> http://www.lse.ac.uk/collections/secretariat/legal/disclaimer.htm
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