Semantic relation extraction aware of N-gram features from unstructured biomedical text.
Zheng WangShuo XuLijun ZhuPublished in: J. Biomed. Informatics (2018)
Keyphrases
- n gram
- relation extraction
- semantic features
- biomedical text
- language model
- text classification
- semantic network
- bag of words
- information extraction
- automatic extraction
- semantic relations
- low level
- semantically related
- domain specific
- named entities
- co occurrence
- feature set
- feature vectors
- semantic information
- related concepts
- semantic role labeling
- feature space
- natural language
- low level features
- feature extraction
- part of speech
- question answering
- named entity recognition
- information retrieval
- visual features
- probabilistic model
- active learning
- bayesian networks
- artificial intelligence