ZS is defined by select. I don't believe Prolog will become any more popular than it is. The Japanese had some sort of a government project a few years ago, bu

ZS is defined by select. I don't believe Prolog will become any more popular than it is. The Japanese had some sort of a government project a few years ago, but I think that fell through. Now we have Erlang, Haskell and Java libraries that replicate most functionality, and then some.