[rules-users] Insert new facts in WorkingMemory event handler

[Gabor Szokoli]

Hi,

I'm new too, so please mind the cracks on the road inexpertly paved
with good intentions:

2010/12/6 Bruno Freudensprung <bruno.freudensprung at temis.com>:

> The first "solution" I imagined was to have high-salience rules:
>
> rule "1"
> when
>        t : T
>        not I(type == t)
> then
>        retract t
>
> rule "2"
> when
>        i : I(t : type)
>        not Type (this == t)
> then
>        retract i

That looks like a drools retelling of the chicken and egg problem to
me: how do you intend to insert new Instances or Types ?

>From the logical point of view, why do you need to retract
unreferenced facts? Do you see performance issues from too many facts?


Gabor Szokoli