In this paper, the authors present a new method for writing assurance cases. Assurance cases are documented bodies of evidence that provide a convincing and valid argument that a system is adequately dependable for a given application in a given environment. Assurance cases have been used mostly in the safety field, but are now beginning to be widely applied in other areas. Cyber security is on...

In this work we set out to investigate the feasibility of applying measures of lexical frequency to the assessment of the writing of learners of French. A system developed for analysing the lexical knowledge of learners, according to their productive use of high and low frequency words (Laufer and Nation 1995), was adapted for French and used to analyse learners’ texts from an Open University F...

six-sigma has some measures which measure performance characteristics related to a process. in most of the traditional methods, exact estimation is used to assess these measures and to utilize them in practice. in this paper, to estimate some of these measures, including defects per million opportunities (dpmo), defects per opportunity (dpo), defects per unit (dpu) and yield, a new algorithm ba...

Findings have been mainly observational and thus may be influenced in part by health related selection for work. Nevertheless, a “best evidence synthesis” based largely on a review of systematic reviews concluded that the overall weight of evidence pointed strongly to health benefits from employment. When treating patients of working age, doctors should therefore always consider the impact of t...

The objectives of this study were (a) to examine the writing performance of L2 learners on the level-specific tasks based on Common European Framework of Reference (CEFR) and (b) to study the likely difference between students' self-assessed level of writing and those reported by raters. The study was conducted with 138 Iranian students at BA and MA levels in Alborz Institute of Higher Educatio...