A span-graph neural model for overlapping entity relation extraction in biomedical texts.
Hao FeiYue ZhangYafeng RenDonghong JiPublished in: Bioinform. (2021)
Keyphrases
- relation extraction
- entity extraction
- neural model
- natural language text
- named entities
- information extraction
- manually annotated
- automatic extraction
- coreference resolution
- neural network
- question answering
- named entity recognition
- domain specific
- control scheme
- semantic relations
- text mining
- named entity recognizer
- recurrent neural networks
- text documents
- structured data
- semantic features
- information extraction systems
- semantic role labeling
- annotated corpus
- tree kernels
- co occurrence
- natural language
- genetic algorithm
- global optimization
- keywords
- learning algorithm
- information retrieval
- machine learning