The ongoing COVID-19 pandemic triggered a global crisis affecting the work and partially the existence of businesses, governments, administrations and nonprofit organizations (NPOs). The latter not only faced severe challenges themselves, but also play(ed) a major role in fighting the pandemic,...

Despite the worldwide surge in smartphone use, there are no classification metrics based on its use. In this article, a comprehensive concept called 'Cellulographics' is introduced for characterization of smartphone users, which includes behavioral classification based on user characteristics...