The modern definition of artificial intelligence (or AI) is "the study and design of intelligent agents" where an intelligent agent is a system that perceives its environment and takes actions which maximizes its chances of success.
Machine learning Intelligent agent Automated planning and scheduling John McCarthy (computer scientist) Cybernetics Physical symbol system Allen Newell Machine perception Robotics Herbert Simon Marvin Minsky Decision theory Knowledge representation Neats vs. scruffies Influence diagram Neural network Computational intelligence Futurist Strong AI Commonsense knowledge bases Machine translation Applied information economics Ontology (information science) AI winter Logic Control theory Massachusetts Institute of Technology Combinatorial explosion Judea Pearl Alan Turing Perceptron Stanford University Artificial intelligence in fiction Swarm intelligence Raymond Kurzweil Economics Turing test Natural language processing Operations research Computer vision