Named entity recognition 14 Natural language processing systems 14 Deep learning 8 article 7 BERT 6 Character recognition 5 Computational linguistics 5 Data mining 5 Information technology industries 4 NER 4 Natural language processing 4 Text processing 4 data mining 4 human 4 named entity recognition 4 Concept recognition 3 Data Mining 3 Deep Learning 3 Learning systems 3 Named entity normalizations 3 Recognition models 3 Text mining 3 Text-mining 3 extraction 3 language 3 Attention mechanisms 2 Biomedical literature 2 Biomedical named entity recognition 2 Classification (of information) 2 Condition 2