Reducing Wrong Labels for Distantly Supervised Relation Extraction With Reinforcement Learning.
Tiantian ChenNianbin WangMing HeLiu SunPublished in: IEEE Access (2020)
Keyphrases
- relation extraction
- reinforcement learning
- weakly supervised
- automatic extraction
- information extraction
- named entities
- learning algorithm
- domain specific
- supervised learning
- semantic relations
- named entity recognition
- semantic role labeling
- semantic features
- semi supervised
- unsupervised learning
- tree kernels
- training data
- dependency trees
- question answering
- pairwise
- machine learning
- broad coverage
- hidden markov models
- training set
- image classification
- parse tree
- markov random field
- text mining
- domain knowledge
- information retrieval