External features Humans 2 human 2 Biomedical question answering 1 Character recognition 1 Computational linguistics 1 Face 1 Face matching 1 Facial Recognition 1 Feature fusion 1 Internal features 1 Language 1 Low-prevalence effect 1 NAtural language processing 1 NER 1 Named entity recognition 1 Natural Language Processing 1 Natural language processing systems 1 Neural Networks, Computer 1 POS 1 Pattern Recognition, Visual 1 Pre-trained language model 1 Prevalence 1 Question Answering 1 Question Answering Task 1 Speech recognition 1 Super-recognisers 1 Syntactic features 1 Syntactics 1 Text representation 1