Named entity recognition Natural language processing systems 3 article Character recognition 2 Concept recognition 2 Named entity normalizations 2 Natural Language Processing 2 Normalisation 2 molecular recognition 2 natural language processing 2 BERT 1 Backpropagation 1 Bioinformatics 1 Biological entities 1 Biomedical question answering 1 Computational Biology 1 Computational linguistics 1 Context-Aware 1 Core components 1 Data Mining 1 Data mining 1 Economic and social effects 1 Entity normalization 1 External features 1 Feature fusion 1 Gene Ontology 1 Gene ontology 1 Harmonisation 1 Humans 1 Language 1