The application relates to the technical field of
natural language processing, and discloses a guided question and answer
system and method based on implicit premise triple extraction, which comprises the following steps: receiving user
question text and performing implicit premise triple extraction to construct a premise triple set; performing multi-layer conflict detection on the set, including internal mutual consistency
verification and external
domain knowledge collision detection, labeling internal mutual consistency states and external collision states for each premise triple, and generating a premise
verification report by summarizing; generating a counter-question
sentence according to the states by using a corresponding guided counter-
question generation strategy, verifying a conflict premise correction state according to a
user feedback reply text, executing a closed-loop correction according to the state, and outputting a final answer; and the application eliminates logical misdirection caused by a large
language model blindly obeying input conditions through structured
verification and closed-loop correction of a question premise, and ensures the
correctness of a question and answer conclusion in a complex professional
scenario.