Have you looked at KEEL ?
It has more machine learning and Rule Implementations and some specifics
for Pitt and Michigan approach. Hope that helps

On Thu, Apr 18, 2013 at 5:11 PM, Bojan Janisch <
[log in to unmask]> wrote:

> Hm... That does not sound good. Wouldn't it be possible to use the
> GP-package instead and define different types of nodes as different parts
> of rulecode?
> I don't want to start from scratch, I don't know how long it will take to
> create a new representation for my problem. I thought the rule package is
> so abstract created that it could contain anything?
> ------------------------------
> Von: Sean Luke
> Gesendet: 18.04.2013 21:45
> An: [log in to unmask]
> Betreff: Re: Evolve Rules with ECJ