WHO NEEDS Q & R STANDARDS?

Evolving Standards for Academic Publishing: A q-r Theory

Over the last several decades academic journal articles have become longer and changed in other ways. The review process has also changed – it now often involves extensive revisions of initial submissions. This paper develops a model of evolving standards for academic publishing. Papers are assumed to vary along two quality dimensions: q and r. The former is interpreted as the importance of a p...

توسعه مدل‌های کنترل موجودی (r,Q) و(R,T)

در این مقاله مدل‌های سنتی کنترل موجودی (r,Q) و(R,T) به صورت یک مدل چند‌کالایی با دو هدف کمینه‌سازی هزینه‌ها و سطح خطر و تحت محدودیت‌های بودجه در‌دسترس، حداقل سطح عملکرد، فضای انبار و تعداد کمبود مجاز توسعه یافته‌اند. تابع توزیع تقاضا نرمال بوده و تقاضا با پس‌افت تأمین می‌گردد. ابتدا مدل قطعی و سپس مدل احتمالی- فازی با پارامترهای بودجه فازی، تعداد کمبود مجاز فازی، و فضای انبار که پارامتری احتمال...

WHO child growth standards.

comprehensive review of the uses and interpretation of anthropometric references. The review concluded that the NCHS/WHO growth reference, which had been recommended for international use since the late 1970s, did not adequately represent early childhood growth and that new growth curves were necessary. The World Health Assembly endorsed this recommendation in 1994. The WHO Multicentre Growth R...

WHO Child Growth Standards

Who needs a scheduler?

This position paper advocates the need for scheduling. Even if resources at our disposal would become abundant and cheap, not to say unlimited and free (a perspective that is not granted), we would still need to assign the right task to the right device. We give several simple examples of such situations where resource selection and allocation is mandatory. Finally we expose our views on the im...