This paper aims to propose the principles of a systems architecting method to assess and guide the conceptual design of platform based solutions for satellite space applications. The method helps the developers to assess the platform changeability to achieve future missions with a minimum impact in terms of modifications and to assess the platform comprehensiveness in terms of possible missions...

BACKGROUND It is important to know the current level of primary care performance in order to evaluate and plan for desirable health policy. We tried to compare patient's assessment of primary (family physician, general practitioner, internist, pediatrician, and general surgeon) and non-primary (the other specialties) care physicians. METHODS Study subjects were physicians of primary care clin...

INTRODUCTION In this study, we 1) compared the quality of school wellness policies among schools participating in Moms for a Healthy Balance (BALANCE), a school- and home-based weight loss study conducted with postpartum adolescents in 27 states; and 2) assessed the relationship between policy quality with energy-balance behaviors and body mass index z scores of postpartum adolescents. METHOD...

BACKGROUND Recent studies suggest that comprehensiveness of primary care has declined steadily over the past decade. This study tracks the participation rates of general practitioners and family physicians in 6 nonoffice settings across Ontario and examines among which types of physicians this decline in comprehensiveness has occurred. METHODS Billing (claims) records were used to determine t...

the domain of the qur’an has been one of the issues which have raised various viewpoints among the muslim scholars, particularly in recent decades that it has been more widely welcomed due to the muslims increasing attention to their revealed book and their encountering with the views of other religions and schools. in this respect, three viewpoints can be clearly seen among the muslim thinkers...

Rule-based systems have been the traditional foundation for knowledge-based systems (KBSs). In this respect, research in verification and validation of KBSs has focused primarily on rule-based systems (Preece Suen, 1993; Culbert, 1990; Gupta, 1991; Murreli & Plant, 1997; O’Leary, 1994). Some researchers have extended the verification and validation concepts to KBSs that comprise other component...