Constraint-Based Question Answering with Knowledge Graph Junwei Bao author Nan Duan author Zhao Yan author Ming Zhou author Tiejun Zhao author 2016-12 text Proceedings of COLING 2016, the 26th International Conference on Computational Linguistics: Technical Papers Yuji Matsumoto editor Rashmi Prasad editor The COLING 2016 Organizing Committee Osaka, Japan conference publication bao-etal-2016-constraint https://aclanthology.org/C16-1236/ 2016-12 2503 2514