We argue that garbage collection should be more closely tied to object demographics. We show that this behaviour is sufficiently distinctive to make exploitation feasible and describe a novel GC framework that exploits object lifetime analysis yet tolerates imprecision. We argue for future collectors based on combinations of approximate analyses and dynamic sampling.

BACKGROUND Concussions remain a serious public health concern. It is important that persons involved in youth sports, particularly coaches, be made aware and educated on the signs and symptoms of concussion. This study assessed the perceptions of youth sport coaches who have received the Centers for Disease Control and Prevention's (CDC's) "Heads Up: Concussion in Youth Sports" materials in pre...

OBJECTIVES Rugby has a high injury incidence and therefore BokSmart introduced the Safe Six injury prevention programme in 2014 in an attempt to decrease this incidence. In 2015, BokSmart used a 'targeted marketing approach' to increase the awareness and knowledge of the Safe Six. Therefore, the aim of this study was to determine the change in the knowledge of coaches and players of the Safe Si...

Researchers have argued that coaches are performers in their own right and that their psychological needs should be considered (Giges, Petitpas, & Vernacchia, 2004; Gould, Greenleaf, Guinan, & Chung, 2002). The purpose of this research was to examine high performance women coaches’ perceptions of their sport organizations’ social context, with specific attention to psychological need support. S...

Purpose. The purpose of this study was to empirically analyze the sports background, personality dimensions, attitudes, and social competencies of adult head coaches and young assistant coaches involved in the German Einfach Fußball (Just Soccer) program, which promotes the participation of pupils with intellectual disabilities in soccer/sports and society. Methods. The study recruited 28 head ...