Qinkang Gong

Counterfactual Multihop QA: A Cause-Effect Approach for Reducing Disconnected Reasoning

Multi-hop QA requires reasoning over multiple supporting facts to answer the question. However, the existing QA models always rely on shortcuts, e.g., providing the true answer by only one fact, rather than multi-hop reasoning, which is referred as disconnected reasoning problem. To alleviate this i…