Sonarmen undergoing refresher training in the Sonar Operational Trainer compared, while on "sonar watch," the comfort of four seating designs: a contoured automobile seat with an adjustable backrest; a "kneeling" chair; a conventional office chair with an inflatable lumbar support pillow; and a conventional office chair. The subj ects were asked to use each seat for an entire day --unless it wa...

There is ongoing debate about the quality of mathematics education at post-primary level. Research suggests that, while the capacity to use mathematics constructively is fundamental to the economies of the future, many graduates of the secondary-school system have a fragmented and de-contextualised view of the subject, leading to issues with engagement and motivation. In an attempt to address s...

In analysing a well-known hash-coding method, Knuth gave an exact expression for the average number of rejections encountered by players of a variant of musical chairs. We study a variant more closely related to musical chairs itself and deduce the same expression by a purely combinatorial approach. In an analysis of the average time to insert an item when using openaddress hash-coding, Knuth [...

Paul Larson and Erich Neuhold are previous TCDE chairs and have served TCDE for many years revitalizing its activities. Their valuable experience will be greatly appreciated for promoting TCDE and for serving its members. David Lomet, a previous TCDE chair, has been Chief Editor of Data Engineering Bulletin since 1992. It is his leadership that has been at the heart of the success of IEEE Data ...

The determination of the cash to cash cycle (C2C) for supply chains provides concrete and practical means to integrate financial flow into the scope of supply chain management. In this study we propose that segmenting benchmarked companies in accordance to its corresponding role in their supply chain enhances established methodology for conducting more accurate C2C Benchmarking. This paper cont...

the unesco chair in health education in tums (tums), iran, was established in immunology, asthma and allergy research institute in april 2004. the purpose of this chair is to promote an integrated system of research, training, information and documentation activities in the field of health education. the target group includes the public, health care workers, students, trainees and researchers. ...