In this article we propose a framework for a hierarchical model for cooperation between unmanned airplanes in large groups.We argue that the swarm approach to cooperation between a large number of mobile robots is ineffective when robots can be equipped with efficient communication, precise location hardware and with complex control algorithms.The
Abstract The need for more pragmatic approaches to achieve sustainable development goal on childhood mortality reduction necessitated this study.Simultaneous study of the influence of where the children live and the censoring nature of children survival data is scarce.We identified the compositional and contextual factors associated with under-five
Abstract Background The community-based antiretroviral therapy delivery (CBART) model was implemented in Benue State in Nigeria to increase access of key populations living with HIV (KPLHIV) to antiretroviral treatment.Key populations (KP) are female sex workers, men who have sex with men, persons who inject drugs, and transgender people.Evidence s