Andrew Marlow wrote:
> The one I would like to use is the one from 2004. AFAIK that is the latest.
Then I'd suggest talking to OCLC. They can let you know if you need
permission for the use you have in mind, and what that would involve.
I see from a later post that you've found the contact address for them,
so it shouldn't be too hard to get in touch.
If for some reason you don't want to ask them right off, or if the answer
you get isn't satisfactory, you can also talk to a lawyer who practices in
your jurisdiction about the extent to which the DDC copyrights and trademarks
might limit your desired use, and what alternatives you have. I wouldn't
count on getting legal advice here (both because by and large the posters
here, myself included, are not lawyers, and because the rules governing
copyrights and trademarks vary from place to place. What might be legal
for me to do in the US might not be for you in the UK, and vice versa.)
You can also use an alternative system, as I mentioned before. As one
possibility, for Public Domain Day I released a simple decimal hierarchy
along the lines I discussed in an earlier post, called the Free Decimal
Correspondence. It doesn't yet go quite as far as your example-- I have
correspondences for "Science" and "Chemistry", but not yet for "Physical
chemistry"-- though I expect to release another version later this month that
should include that term as well.
You can find it, along with some documentation and a machine-processable
version, at
http://everybodyslibraries.com/free-decimal-correspondence/
I've released the whole thing to the public domain, so you can do with it
what you like.
As I mention in the documentation, I'm not planning to maintain or
support this long term, but it may be of interest to some folks
maintaining repositories or small library collections that want a
basic hierarchical classification system that's to some extent compatible
with existing library practices.
John
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