Development of Creative Commons licenses

[Daniel Carrera <daniel.carrera AT zmsl.com>]

Hello all,

I have a new project that with a wiki site and many contributors. I'm 
concerned over having to list them all. I've read through the 
cc-licenses archives and it seems like the new 2.5 licenses try to 
address Wikis by allowing attribution to a "designated" party:

<quote>
If you distribute, publicly display, ... You must ... provide... (i) the 
name of the Original Author ... and/or (ii) if the Original Author 
and/or Licensor *DESIGNATE* *ANOTHER* *PARTY* or parties (e.g. a sponsor 
institute, publishing entity, journal) for attribution in Licensor's 
copyright notice, ... the name of such party or parties; ...
</quote>

So, suppose a bunch of us makes an informal group and call ourselves 
"Citizens for the Exploration of Mars" (CEM).

Question 1: Can we use the "designated" clause to have people attribute 
the content to CEM instead of listing all 325 contributors?
(ie. even though CEM is not a legal entity in any form)

Question 2: How do we "designate" CEM? What do we need to do to ensure 
that any contributor to the wiki does this?
I was thinking that every page would have a "terms of use" that would 
link to a page saying:

  "By contributing to this wiki you submit your work under the CC-BY
   and designate CEM for attribution as specified in section 4.b of
   the CC-BY license"

Would that work?

Any help would be most appreciated.

Cheers,
Daniel.
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