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HiURE: Hierarchical Exemplar Contrastive Learning for Unsupervised Relation Extraction.
Shuliang Liu
Xuming Hu
Chenwei Zhang
Shuang Li
Lijie Wen
Philip S. Yu
Published in:
NAACL-HLT (2022)
Keyphrases
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relation extraction
weakly supervised
supervised learning
unsupervised learning
learning algorithm
reinforcement learning
general purpose
semantic relations
semi supervised
semantic features