ACLJun, 2018
知道你不知道什么:SQuAD 无法回答的问题
Know What You Don't Know: Unanswerable Questions for SQuAD
Pranav Rajpurkar, Robin Jia, Percy Liang
TL;DRSQuAD 2.0 is a dataset that combines existing SQuAD data with over 50,000 unanswerable questions to test extractive reading comprehension systems' abilities to determine when no answer is supported, resulting in a challenging natural language understanding task for existing models that previously achieved only 66% F1 on SQuAD 2.0.