Xu, Zihan, Hai-Tao Zheng, Shaopeng Zhai, and Dong Wang. 2020. “Knowledge and Cross-Pair Pattern Guided Semantic Matching for Question Answering”. Proceedings of the AAAI Conference on Artificial Intelligence 34 (05):9370-77. https://doi.org/10.1609/aaai.v34i05.6478.