In the context of schools’ growing autonomy, external evaluation mechanisms, including External Evaluation Schools (EES), are increasingly central to educational policies. This paper is based on documentary analysis all reports third cycle EES in Portugal (77 reports), focusing two sections those reports—the strengths and areas for improvement identified them. The intends uncover currently stre...

The problem of scheduling multiple streams of real-time customers is addressed in this paper. The paper rst introduces the notion of (m; k)-rm deadlines to better characterize the timing constraints of real-time streams. More speciically, a stream is said to have (m; k)-rm deadlines if at least m out of any k consecutive customers must meet their deadlines. Note that, the notion of (m; k)-rm de...

Macroeconomics was born as a distinct field in the 1940s, as a part of the intellectual response to the Great Depression. The term then referred to the body of knowledge and expertise that we hoped would prevent the recurrence of that economic disaster. My thesis in this lecture is that macroeconomics in this original sense has succeeded: Its central problem of depression-prevention has been so...

Revegetation is a needed means of mitigating man-made and natural disturbance. Our current ability to address environmental insults contrasts sharply with that existing when John Muir fi rst sowed the roots of environmental awareness or Aldo Leopold and Hugh H. Bennett inspired a land ethic and a sense of stewardship. We now have considerable revegetation science and experience and—equally impo...