Extracting Discriminative Keyphrases with Learned Semantic Hierarchies Yunli Wang author Yong Jin author Xiaodan Zhu author Cyril Goutte 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 wang-etal-2016-extracting https://aclanthology.org/C16-1089/ 2016-12 932 942