In this paper we present the approach used in the design of the scheduling kernel of an Automatic Train Supervision system (ATS). A formal model of the railway layout and of the expected service has been used to identify all the possible critical sections of the railway layout in which a deadlock might occur. For each critical section, the prevention of the occurrence of deadlocks is achieved b...

A hypothesized underlying principle of the diversity-functioning relationship is that functional groups respond differently to environmental change. Over 3 years, we investigated how pollinator diversity contributes to the magnitude of pollination service through spatial complementarity and differential response to high winds in California almond orchards. We found honey bees preferentially vis...

innovation has attracted considerable interest in recent years in improving competitive advantage for both profit and nonprofit organizations. service innovation offers the potential for substantially improving the performance, but performance gains are often obstructed by users’ unwillingness to accept and use available systems. this research aims to use the concept of reasoned action theory t...

there are no known studies that have been conducted focusing on the congruency or discrepancy of pre service agricultural education programmes in relation to secondary school agriculture teaching in zimbabwe. the purpose of this study was therefore to make a qualitative investigation on the contribution of pre service agricultural education training programmes to the teaching of high school agr...

I would first like to thank Mike West for his service as past president. Among many other issues Mike has provided invaluable service to ISBA by revising and reviving our IT infrastructure. Many of you must have already used the nifty new on-line membership service. The elected new officers for 2010 and the new editors were already mentioned in the last Bulletin. In addition to these new office...

service availability is important for any organization. this has become more important with the increase of dos attacks. it is therefore essential to assess the threat on service availability. we have proposed a new model for threat assessment on service availability with a data fusion approach. we have selected three more important criteria for evaluating the threat on service availability and...

background: a nurse’s commitment is the most important factor that influences her performance and depends on other variables. the purpose of this research was to study the relationship between length of service of the nurses with the amount of occupational commitment and organizational commitment. methods: from winter 2012 to spring 2013, 266 nurses were chosen in selected hospitals of social s...

due to the importance of “service quality and customerssatisfaction” subject, this study seeks to investigate and prioritize thefactors which are effective on service quality and customers satisfactionusing grey relational analysis (gra) method. in the case of statisticalpopulations with large sizes, none of the other methods can competewith gra from the viewpoint of calculation accuracy. the s...