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This calls for a shameless plug to Drools. Disclaimer: I'm in the core development team :) https://docs.jboss.org/drools/release/7.20.0.Final/drools-docs/html_s

This calls for a shameless plug to Drools. Disclaimer: I'm in the core development team :) https://docs.jboss.org/drools/release/7.20.0.Final/drools-docs/html_single/index.html https://docs.jboss.org/drools/release/7.20.0.Final/drools-do...

flyhighplato 7y ago
Love Drools. The consultancy I worked for made so many happy customers by just simplifying a lot of complex optimization use cases with Drools. Hard to do better than Drools for rule-based anything if you’re on the JVM.
nickpeterson 7y ago
As someone who is only recently getting into rules system development, outside of the manual, are there any other great references you would recommend for understanding rules systems like modern Drools?
- spinningslate 7y ago
  You might find the CLIPS docs useful [0]. iirc, DROOLS was at least in part inspired by CLIPS. Plus the CLIPS docs are very well written as noted elsewhere. The book "Expert Systems: Principles and Programming" [1] is also good though now out of print. [0] http://www.clipsrules.net/Documentation.html http://www.clipsrules.net/Documentation.html [1] http://www.amazon.com/exec/obidos/tg/detail/-/0534384471/ref=lpr_g_1/002-8157855-8752009?v=glance&s=bo http://www.amazon.com/exec/obidos/tg/detail/-/0534384471/ref...
- dfraser992 7y ago
  Pyke [1], a Python based rules engine, supports both forward and backwards chaining. The docs are good. We used it in an AI class I was a TA for; the previous years used Prolog and everyone (most everyone) consistently hated Prolog.... For students used to the video games that are IDEs these days, SWI Prolog and its UI is awful. Pyke and PyKnow were well received, however. As it is Python based, it is a lot easier to deal with than Prolog. [1] http://pyke.sourceforge.net/index.html http://pyke.sourceforge.net/index.html
xabush 7y ago
Thank you for this! I was looking for a similar tool and glad I discovered Drools.
commandlinefan 7y ago
Ok… I know how this sounds, but… have you considered changing the name? I, too, like Drools a lot, but seriously, the looks when I tell a bunch of stuffy MBAs that we’re going to manage the complex rules using a tool called “Drools”…
- mannykannot 7y ago
  Try pronouncing it "D-rules".

flyhighplato 7y ago

Love Drools. The consultancy I worked for made so many happy customers by just simplifying a lot of complex optimization use cases with Drools. Hard to do better than Drools for rule-based anything if you’re on the JVM.

nickpeterson 7y ago

As someone who is only recently getting into rules system development, outside of the manual, are there any other great references you would recommend for understanding rules systems like modern Drools?

spinningslate 7y ago
You might find the CLIPS docs useful [0]. iirc, DROOLS was at least in part inspired by CLIPS. Plus the CLIPS docs are very well written as noted elsewhere. The book "Expert Systems: Principles and Programming" [1] is also good though now out of print. [0] http://www.clipsrules.net/Documentation.html http://www.clipsrules.net/Documentation.html [1] http://www.amazon.com/exec/obidos/tg/detail/-/0534384471/ref=lpr_g_1/002-8157855-8752009?v=glance&s=bo http://www.amazon.com/exec/obidos/tg/detail/-/0534384471/ref...
dfraser992 7y ago
Pyke [1], a Python based rules engine, supports both forward and backwards chaining. The docs are good. We used it in an AI class I was a TA for; the previous years used Prolog and everyone (most everyone) consistently hated Prolog.... For students used to the video games that are IDEs these days, SWI Prolog and its UI is awful. Pyke and PyKnow were well received, however. As it is Python based, it is a lot easier to deal with than Prolog. [1] http://pyke.sourceforge.net/index.html http://pyke.sourceforge.net/index.html

xabush 7y ago

Thank you for this! I was looking for a similar tool and glad I discovered Drools.

commandlinefan 7y ago

Ok… I know how this sounds, but… have you considered changing the name? I, too, like Drools a lot, but seriously, the looks when I tell a bunch of stuffy MBAs that we’re going to manage the complex rules using a tool called “Drools”…

mannykannot 7y ago
Try pronouncing it "D-rules".