The place to start might be http://www.udcc.org/
John On Thu, 02 Mar 2006 23:44:36 -0300 Oberdan Luiz May <[EMAIL PROTECTED]> wrote: > > Hello All, > > Some days ago a friend asked me if I knew a good way of sorting UDC > codes. Looking for information, the only thing I could find was: > > --------8<--------8<--------8<--------8<--------8<--------8<--------8< > > The sort order for UDC is actually very complex since it uses such a > variety of punctuation symbols each of which has a position in the sort > order - and sometimes more than one! Very few database packages have a > special UDC sort order - one being Inmagic / DBTextworks. > > One way round this is to replace the punction symbol with a letter > (including one for the plain number with no following punctuation). > Freeman and Atherton in the 1960s used capital letters A to P: > > X+Y XAY > X/Y XBY > X XC > X:Y XDY > X[Y] XEY > X=Y XEY > X"Y" XGY > X(Y) XHY > X(=Y) XJY > XABC XKABC > X.00Y XLY > X-Y XMY > X.0Y XNY > X'Y XPY > > So if you have a UDC number like 62/64 you write it as 62B64 and you > write 72"1950" as 72G1950. The numbers should then sort correctly. > > --------8<--------8<--------8<--------8<--------8<--------8<--------8< > > The site is : > http://lists.adeptscience.co.uk/endnote/endnote_May_2005/thid_73e1ff3302d36eb3b6de2f6afdea25bf.html > > I'm not a librarian, and I do not understand all this rules (like > XABC -> XKABC) Anybody knows where (or if) I can find more information, > or even examples abou the meaning of these rules? > > Thanks in advance, > > []'s > > Oberdan
