Deep purified feature mining model for joint named entity recognition and relation extraction.
Youwei WangYing WangZhongchuan SunYinghao LiShizhe HuYangdong YePublished in: Inf. Process. Manag. (2023)
Keyphrases
- named entity recognition
- relation extraction
- information extraction
- maximum entropy
- natural language processing
- named entities
- probabilistic model
- annotated corpus
- feature space
- domain specific
- semantic relations
- conditional random fields
- query expansion
- information retrieval systems
- data mining
- semi supervised
- feature vectors
- similarity measure
- high level
- artificial intelligence