Getting RETE right isn't trivial. I tried looking into the fundamentals a few months ago, and was very unsatisfied - it felt like people explaining it knew part

Getting RETE right isn't trivial. I tried looking into the fundamentals a few months ago, and was very unsatisfied - it felt like people explaining it knew parts of it but not the whole thing. I guess it is good that we have some open source implementations that can be reverse engineered by someone motivated enough.