Hi everybody,

My question is mainly an abstract one. I am wondering how the Rete algorithm handles the facts modifications ? In "Jess In Action" (8.3.2 Handling retract), it is said that Jess uses four tags to perform different kind of actions : ADD (assert), REMOVE (retract), UPDATE (populates join nodes for a new rules added to a preexisting Rete network), CLEAR (reset). But what about facts modifications, since it can activate or deactivate a rule in the Rete network ?

Best regards,

Nicolas
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