Made available in DSpace on 2020-12-10T16:30:28Z (GMT). No. of bitstreams: 0 Previous issue date: 2003-01-01; In this paper, we introduce an intelligent real-time traffic signal control system based on a paraconsistent logic program called an EVALPSN (Extended Vector Annotated Logic Program with Strong Negation), that can deal with contradiction and defeasible deontic reasoning. We show how the traffic signal c...
A actividade física regular está associada a uma vida mais longa e saudável, com menor risco de doenças cardíacas, hipertensão, diabetes, obesidade e alguns tipos de cancro, segundo o relatório Surgeon General (USDHHS, 1996). No entanto, com o desenvolvimento da sociedade actual e as mudanças nos estilos de vida, os níveis de actividade física da população estão em acentuado declínio (Armstrong, 1998). Os objec...
Reports indicated that children are spending too much time being physically inactive during physical education classes and many school physical education programs are not meeting the recommendation. The purpose of this study was to investigate the physical activity levels in Portuguese indoor physical education classes. Methods. The physical activity levels of 28 Portuguese 7[th] grade children were assessed by...
Non-communicable diseases (NCDs) such as cardiovascular disease, hypertension, obesity, diabetes, chronic respiratory diseases, and some types of cancer are increasingly significant causes of disability and premature death across many countries. In 1999 these diseases contributed to about 60% of deaths in the world and 43% of the global burden of disease. On the basis of current estimates, these deaths are expe...