Natural language processing systems Semantics 8 Radiology reports 6 Artificial intelligence 4 Automatic Detection 4 Clinical research 4 Information use 4 NooJ 4 Radiation 4 Radiology 4 Syntactics 4 Terminology 4 human 4 human experiment 4 Algorithms 2 Animation 2 Annotated datasets 2 Automata theory 2 Automatic classification 2 Automatic recognition 2 Bioinformatics 2 Biomedical domain 2 Classification (of information) 2 Classification models 2 Classification tasks 2 Computational complexity 2 Computational framework 2 Computational linguistics 2 Computational logic 2 Computer Science Education 2