Part I: Swarm Intelligence 1. Fundamentals of Swarm Intelligence 2. Group foraging of social insects 3. Division of labor 4. Nest-building of social insects 5. Collective sorting and clustering 6. Multi-objective optimization 7. Swarm-based web intelligence 8. Swarm intelligent control systems Part II: Applications 9. Signal Processing 10. Big Data Analytics 11. Communication, Networking & Information Engineering 12. Bioinformatics & Biomedical Engineering 13. Innovative Intelligent Systems & Applications 14. Swarm Intelligent Controllers 15. Optimization in Federated Learning Systems 16. Optimization of Cloud, Fog and Edge Computing Systems 17. Blockchain and IoT Part III: Hybrid Swarm Intelligence Techniques 18. Adaptive swarm intelligent systems 19. Quantum-inspired swarm intelligence 20. Neuro-Fuzzy Swarm Intelligence 21. Rough-Neuro Swarm Intelligence 22. Conclusion - Editors