Technology: general issues 418 History of engineering and technology 327 Optimization 298 Research & information: general 190 optimization 159 History of engineering & technology 133 Optimisations 127 human 91 Particle swarm optimization (PSO) 87 Research and information: general 72 Humans 69 Biology, life sciences 66 Article 64 Information technology industries 59 article 55 Genetic algorithms 53 Mathematics & science 52 controlled study 48 Learning algorithms 47 process optimization 47 OPTIMIZATION 45 Multiobjective optimization 44 algorithm 44 Costs 43 Iterative methods 40 Structural optimization 40 Computer science 38 Efficiency 37 Performance 37 Stochastic systems 37