ChemNER: Fine-Grained Chemistry Named Entity Recognition with Ontology-Guided Distant Supervision.
Xuan WangVivian HuXiangchen SongShweta GargJinfeng XiaoJiawei HanPublished in: EMNLP (1) (2021)
Keyphrases
- fine grained
- named entity recognition
- information extraction
- named entities
- coarse grained
- natural language processing
- semi supervised
- conditional random fields
- text summarization
- maximum entropy
- domain specific
- domain ontology
- genia corpus
- access control
- annotated corpus
- knowledge representation
- semantic web
- active learning
- relation extraction
- classifier ensemble
- knowledge base
- semantic annotation
- semantic information
- named entity recognizer
- generative model
- machine translation
- hidden markov models
- text mining
- expert systems
- co occurrence
- high level
- graphical models