Zahi Chemaly

Easier Said Than Done: Strangers, Impostors, and the Negatives That Teach a Small Learner to Say "I Don't Know"

How do you teach a model to say "I don't know"? The usual recipe collects questions it cannot answer, trains it to refuse them, and checks on a held-out part of the same collection, which cannot tell a learned rule from a memorized list, nor say which kind of unknown the rule covers. A question can carry a name the mod...