Entity identification 2 Natural language processing systems 2 Attention mechanisms 1 Benchmarking 1 Biomedical text 1 Classification (of information) 1 Clinical text 1 Clinical texts 1 Contextual information 1 Data mining 1 Deep learning 1 Domain Knowledge 1 Embeddings 1 Entity relationship extraction 1 Entity-relationship 1 F-score 1 Information retrieval 1 Language 1 Large dataset 1 Learning models 1 Learning systems 1 Long short-term memory 1 Machine Learning 1 Machine reading comprehension 1 Multi-grained attention mechanism 1 Multi-scale self-learning mechanism 1 Multi-scales 1 Named entities 1 Named entity recognition 1 Natural language processing 1