Optimizing Bi-Encoder for Named Entity Recognition via Contrastive Learning.

Sheng Zhang Hao Cheng Jianfeng Gao Hoifung Poon

Published in: CoRR (2022)

Keyphrases

named entity recognition
hand coded
learning algorithm
information extraction
natural language processing
learning process
named entities
data sets
conditional random fields
databases
training data
reinforcement learning
semi supervised
supervised learning
prior knowledge
maximum entropy