News named entity recognition and sentiment classification based on attention-based bi-directional long short-term memory neural network and conditional random field
HU Tiantian, DAN Yabo, HU Jie, LI Xiang, LI Shaobo
Journal of Computer Applications . 2020, (7): 1879 -1883 .  DOI: 10.11772/j.issn.1001-9081.2019111965

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