We present a security mechanism designed for use with object-based multi-user applications. This mechanism the private access channel provides the same level of fine grain object-based security as the capability scheme. Whereas capabilities have been applied only to limited sets of objects with identical operations, we propose a generic protection mechanism that can be applied to any object, wh...

The purpose of this study was to examine the effect of a Socratic animated agent on user performance in a computerbased CD player disassembly simulation. Vocational Education students were randomly assigned to one of two versions of the simulation. One version offered text-based feedback in the form of statements; the other one featured an animated agent providing hints and clues. Results showe...

payoffs from information technology (it) continue to generate interest and debate both among academicians and practitioners. these have led the decision makers to confusion about it effect on firms` financial performance; they don’t know either high or low effect is because of internal or external factors of organizational environment. the mechanism for decreasing the risks is to identify the c...

clinical research usually involves patients with a certain disease or a condition. the generalizability of clinical research findings is based on multiple factors related to the internal and external validity of the research methods. the main methodological issue that influences the generalizability of clinical research findings is the sampling method. in this educational article, we are explai...

abstract purpose of this paper: this paper presents an analysis toward understanding the business value components that a health care organization can drive by adopting rfid technology into its system. this researcher proposes a framework for evaluating the business value of rfid technology. to do so, emphasis is put on delivering business value through refining business processes and expanding...

INTRODUCTION Intermittent smokers account for a large proportion of all smokers, and this trend is increasing. Social and communication inequalities may account for disparities in intermittent smoking status. METHODS Data for this study came from 2,641 ever-smokers from a 2003 nationally representative cross-sectional survey. Independent variables of interest included race/ethnicity, sex, hou...

Population projections are increasingly utilised as tools for understanding and modelling the economic, social, and environmental futures of sparsely populated areas. This study examines issues around “fit for purpose” for the application of projections to remote contexts. We focus on projections made for the Northern Territory of Australia, a jurisdiction in the north of the country, to assess...

We examined whether the responsiveness to an increase in cigarettes price differed by adolescents' cigarette acquisition source. We analyzed data on 6134 youth smokers (grades 7-12) from a cross-sectional survey in Korea with national representativeness. The respondents were classified into one of the following according to their source of cigarette acquisition: commercial-source group, social-...

OBJECTIVES To compare adolescents' responses to three different styles of cigarette packaging: novelty (branded packs designed with a distinctive shape, opening style or bright colour), regular (branded pack with no special design features) and plain (brown pack with a standard shape and opening and all branding removed, aside from brand name). DESIGN Cross-sectional in-home survey. SETTING...