Single Document Keyphrase Extraction Using Label Information Sumit Negi author 2014-08 text Proceedings of COLING 2014, the 25th International Conference on Computational Linguistics: Technical Papers Junichi Tsujii editor Jan Hajic editor Dublin City University and Association for Computational Linguistics Dublin, Ireland conference publication negi-2014-single https://aclanthology.org/C14-1139/ 2014-08 1468 1476