Technology: general issues 35 History of engineering and technology 29 Multiobjective optimization 22 Multi-objectives optimization 21 multi-objective optimization 17 History of engineering & technology 13 Research & information: general 10 Genetic algorithms 9 Multi-objective optimization 8 Research and information: general 8 Economic and social effects 5 Energy utilization 5 Information technology industries 5 Physics 5 Costs 4 Mathematics & science 4 Multi objective 4 Pareto principle 4 genetic algorithm 4 Computer science 3 Decision making 3 Economics 3 Energy efficiency 3 Industrial robots 3 Optimisations 3 Optimization 3 Optimization algorithms 3 Structural optimization 3 multiobjective optimization 3 Automation 2