Ant colony optimization 6 Artificial intelligence 6 Particle swarm optimization (PSO) Ant Colony Optimization (ACO) 4 Federated clouds 4 Network latencies 4 Particle swarm optimization 4 Scheduling 4 Simulated experiments 4 Virtual machines 4 Algorithms 2 Binary ant colony optimizations 2 Binary optimization 2 Binary particle swarm optimization 2 Bins 2 CPU-intensive 2 Character recognition 2 Classification (of information) 2 Cloud computing 2 Computational mechanics 2 Computing environments 2 Computing power 2 Feature extraction 2 Federated Cloud 2 Fish 2 Fish school searches 2 Handwritten digit recognition 2 Mechanics 2 Minimizing makespan 2 Optimization 2