Natural language processing systems 2 Relationship extraction Attention mechanisms 1 Benchmarking 1 Biomedical relationship extraction 1 Data Mining 1 Data mining 1 Deep learning 1 Deep neural networks 1 Ensemble learning 1 Entity identification 1 Entity relationship extraction 1 Entity-relationship 1 Extraction 1 Human phenotype ontology 1 Human proteins 1 Humans 1 Information retrieval 1 Learning algorithms 1 Learning systems 1 Machine reading comprehension 1 Multi-grained attention mechanism 1 Multi-scale self-learning mechanism 1 Multi-scales 1 Named entities 1 Nested named entity identification 1 Neural Networks, Computer 1 Ontology's 1 Phenotype 1 Protein phenotype relationship 1