A service that inserts human review (human-in-the-loop) into ML prediction workflows, automatically sending low-confidence predictions to a human reviewer while high-confidence ones are processed without intervention.
In AIF-C01 (Domain 4) it is AWS's specific mechanism for "human-in-the-loop" in responsible AI. Question: manually reviewing only a model's lower-confidence decisions before acting on them → Amazon A2I.
Amazon Augmented AI (A2I) is a concept that can show up on the exam. Check the full guide to see it in context.