Hi Alistair, thanks, do you happen to know his email address? I try to get in touch with him because this particular subject is of great importance to me and he seems to have done quite a lot of research already. Günther Am 16.11.2009, 15:38 Uhr, schrieb Bayley, Alistair :

...

on the Haskell wiki?

http://www.haskell.org/haskellwiki/Relational_algebra

Günther

According to the page history, the userid is EndreyMark.

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