Recently a new parallel programming model has been presented that imposes synchronization restrictions in order to allow for fully automatic, retargetable program optimization. The motivation for the model is the conjecture that in practice the loss of parallel-ism due to the inherent synchronization restrictions is less than a factor of 2. In this paper we provide compelling evidence in favor ...

The most common method used for authentication is Textual passwords. But textual passwords are in risk to eves dropping, dictionary attacks, social engineering and shoulder surfing. Graphical passwords are introduced as alternative techniques to textual passwords. Most of the graphical schemes are helpless to shoulder surfing. To address this problem, text can be combined with images or colors ...

An article entitled “Combating Sale of Counterfeit and Falsified Medicines Online: A Losing Battle”, authored by Kah Seng Lee and colleagues, presented the cases of some countries, including China’s fight against counterfeit and falsified medicines (CFMs). Regarding to the formulation and enforcement of legislations in this aspect in China, we comment on the article by providing further informa...

We examine the distribution of incentives across executives with explicit divisional responsibilities, those with broad oversight authority over the firm, and CEOs. Oversight executives have pay-performance incentives that are $1.22 per thousand dollar increase in shareholder wealth higher than those of divisional executives. For CEOs, incentives are $5.65 per thousand higher than for executive...

  Background: Effective leadership is essential to passing through obstacles facing the health field. The current health care system in Iran has major problems and gaps in the field of effective leadership. The aim of this study was to evaluate hospital managers’ leadership style through self-assessment and to determine the correlation between leadership styles with healthcare executives’ leade...