ToHRE: A Top-Down Classification Strategy with Hierarchical Bag Representation for Distantly Supervised Relation Extraction.
Erxin YuWenjuan HanYuan TianYi ChangPublished in: COLING (2020)
Keyphrases
- relation extraction
- supervised learning
- tree kernels
- automatic extraction
- classification accuracy
- machine learning
- named entities
- unsupervised learning
- weakly supervised
- support vector machine
- domain specific
- high level
- semantic features
- feature selection
- semantic role labeling
- support vector
- information extraction
- semi supervised
- feature extraction
- image classification
- text classification
- question answering
- learning algorithm
- named entity recognition
- semantic relations
- bag of words
- visual features
- training set
- artificial intelligence
- pairwise
- dependency trees