This paper addresses the computer industry’s general inability to develop complex software applications in a manner that promotes easy integration, reusability and low maintenance. Most complex applications are built for a very specific environment and include far too many dependencies, making them difficult to maintain and expensive to integrate. A development methodology known as Abstract Obj...

We investigate the power of play-out, the execution mechanism associated with scenario-based programming, which was defined as the operational semantics of live sequence charts (LSC). We compare some of the play-out strategies and mechanisms suggested in the literature, and discuss their strengths and limitations. Specifically, we define a simple infinite hierarchy of LSC programs, and use it t...

Background—To examine the influence active-play video gaming (also referred to as exergaming, exertainment, and active gaming) might have on improving health-related skills, enhancing self-esteem and self-efficacy, promoting social support, and ultimately motivating positive changes in health behaviors, the American Heart Association convened The Power of Play: Innovations in Getting Active Sum...

The classic obstacles in the digital augmentation of everyday objects and appliances are usually situated around batteries, communication, size, and weight. Wired communication is often not possible, changing or charging batteries is generally considered a nuisance, and augmenting an appliance is usually not worth it if it means increasing its size or weight. For the subclass of devices an obje...

Political scientists bring important tools to the analysis of the coronavirus disease 2019 (COVID-19) pandemic, particularly a focus on the crucial role of power in global health politics. We delineate different kinds of power at play during the COVID-19 crisis, showing how a dearth of compulsory, institutional, and epistemic power undermined global cooperation and fuel...