Artificial intelligence 12 Knowledge representation 11 Information retrieval 6 human 6 Humans 5 Network hardware 5 QA75 Electronic computers. Computer science 5 Data mining 4 article 4 Artificial Intelligence 3 History of engineering and technology 3 Knowledge graph 3 Machine learning 3 Ontology 3 Pattern Recognition, Automated 3 QA76 Computer software 3 artificial intelligence 3 automated pattern recognition 3 knowledge 3 Computational and corpus linguistics 2 Computer networking and communications 2 Computer science 2 Databases 2 Diseases 2 Education 2 Educational strategies & policy 2 Experimental psychology 2 Expert systems / knowledge-based systems 2 Knowledge 2 Knowledge graphs 2