No one likes duplicate questions, but I'm considering posting a question about information theory. It would be well-suited to both Cross Validated AND Cryptography. I'd be interested in the opinions of both communities. Can a single question be shared across two (or more) Stack Exchange sites? If so, how? If not, why not?
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$\begingroup$ I actually kinda like duplicate questions...especially when they're altered slightly to suit their respective sites, and acknowledge one another explicitly. Also, I like to point to this answer on MSE (no longer MSO!) when there's a question worth cross-posting. The tactics there worked for me (more or less)! $\endgroup$– Nick StaunerCommented Apr 17, 2014 at 5:50
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1$\begingroup$ I actually much like duplicate questions... especially when different talented people hang out at different sites. $\endgroup$– TimCommented Apr 20, 2014 at 15:12
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1 Answer
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The term you are looking for is "cross-posting". It is a little bit ambiguous, but the general consensus is that it is inappropriate. This topic has been discussed before on meta.CV; see these threads:
- Is the help 'misinformed' on the question of cross-posting?,
- Cross-posting in CV and math.SE tends to become an epidemic, and
- Posting the same question on other statistics forums in addition to CV.
Your situation may be different, though. The typical problem is that someone asks an identical statistics question here and on math.SE (which has a [statistics] tag and small set of dedicated followers), or an R / statistics question here and on SO. Your description is too vague for me to know for sure, but I wonder if the statistical and cryptographical aspects are different aspects of the question. If you want a statistical perspective on something, and a cryptographical perspective on it as well, that strikes me as acceptable. You aren't just fishing for a faster answer, or trying to find someone who'll do your homework for you, and the answers wouldn't provide duplicate information across the SE system.
answered Apr 16, 2014 at 13:48
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$\begingroup$ Thanks for the answer. The specific question I had in mind is somewhat beside the point, I wanted to learn the proper protocol here. Anyway my question was on the use of entropy in information theory to find the information gained though a process. On the face of it it looks like a purely CV question, but the more I read into it the more it seemed the specific uses of information gain are applied to cryptography! Again, thanks for your complete answer! $\endgroup$ Commented Apr 17, 2014 at 9:25