I think Mark Nahabedian wrote:
>
> I've been using Jess 5.2. Should I upgrade or is there a similar
> patch to 5.2?
>
You can add the line
engine.run(10);
at line 547 in jess/MiscFunctions.java to get the same effect.
> Do I need to define a query or is there some other way?
>
>
I've been using Jess 5.2. Should I upgrade or is there a similar
patch to 5.2?
Do I need to define a query or is there some other way?
Given that I need a query, can I just assert the appropriate
need-... first and then do the query? Can I get the query definition
itself to assert need-...?
This comes up about twice a month on the mailing list. In currently
released versions of Jess, queries don't trigger backward chaining. In
the next release, they will. To turn this on for yourself, look in
jess/MiscFunctions.java, at about line 680 (Jess 6.0b2):
// Allow backwards chain
How can I determine if a fact is present or can be concluded via
backward chaining? Other expert systems I've used have an operator,
typically named ASK, which will do this.
Suppose I have a two argument predicate OPPOSITE-SIDE which is
symetric, such that if (OPPOSITE-SIDE a b) is true then (O
