Distantly-Supervised Long-Tailed Relation Extraction Using Constraint Graphs.
Tianming LiangYang LiuXiaoyan LiuGaurav SharmaMaozu GuoPublished in: CoRR (2021)
Keyphrases
- relation extraction
- weakly supervised
- automatic extraction
- information extraction
- named entities
- domain specific
- semantic relations
- semantic role labeling
- question answering
- dependency trees
- broad coverage
- semi supervised
- semantic features
- supervised learning
- named entity recognition
- unsupervised learning
- tree kernels
- machine learning
- feature selection
- learning algorithm
- feature extraction
- knowledge base
- artificial intelligence
- ontology learning