Drone footage has revealed sperm whales headbutting each other—something scientists had only speculated about until now. Surprisingly, it’s younger whales doing it, not the giant males researchers ...

Abstract: Metaheuristics are widely recognized gradient-free solvers to hard problems that do not meet the rigorous mathematical assumptions of conventional solvers. The automated design of ...

Abstract: In recent years, federated learning(FL) as an emerging technology in Secure multi-party computation (SMC) has been applied in finance, medical care, transportation and other fields, which ...