This is a Ph.D. dissertation. In western countries, head injury is a major cause of morbidity and mortality. While traumatic injuries are the leading cause of death under the age of 45 years, up to half of the trauma deaths and the majority of cases of permanent disability are directly related to a sustained head injury. In the U.S. an estimated 1.5 million people sustain head injury each year. As a result of these injuries, 50,000 people die, 230,000 people are hospitalized and survive and an estimated 80,000 - 90,000 people experience long-term disability. Contents include: Introduction, Aims of the Study, Analysis of Bicycle Accidents and the Resultant Head Injuries in a Study of 86 cases, Investigations on the Mechanics of Skull and Brain Injuries, Investigation of Bicycle Safety Helmet Performance in Impact Testing, General Discussion and Perspectives.
This new book investigates how the relationships of international business networks (one buyer-multiple suppliers) develop over time, looking at the geographical angle as well as an actor composition point of view. Bart Kamp presents a framework that reveals what business-to-business (b2b) factors explain buyer-supplier co-location patterns, making it possible to predict the geographical behaviour of suppliers, and also assesses whether longevity is truly the deep-rooted feature of international b2b network relationships that it is often claimed to be.
The performance of current transport systems is inadequate when viewed in terms of economic efficiency, sustainability and safety. Drawing together key an impressive list of contributors from the vast field of transportation economics including Kenneth Button, David Banister and Juan Carlos Martín, this book investigates transport systems, and covers a wide range of topics such as: airline markets congestion charging speed control. This informative book, ideal for undergraduate and postgraduate students of economics, business and industrial studies examines the tools that are necessary to effectively measure transport systems and those that are required to improve them. Utilizing advanced tools of network analysis, the contributors challenge various pieces of conventional wisdom, in particular the view that intermodal transport is more environmentally benign than road transport.
The ?rst International Symposium on the Applications of Constraint Databases (CDB2004) took place in Paris, France, on June 12–13, 2004, just before the ACM SIGMOD and PODS conferences. Since the publication of the paper “Constraint Query Languages” by Kan- lakis, Kuper and Revesz in 1990, the last decade has seen a growing interest in constraint database theory, query evaluation, and applications, re?ected in a variety of conferences, journals, and books. Constraint databases have proven to be extremely ?exible and adoptable in environments that relational database systems cannot serve well, such as geographic information systems and bioinf- matics. This symposium brought together people from several diverse areas all c- tributing to the practice and the application of constraint databases. It was a continuation and extension of previous workshops held in Friedrichshafen, G- many (1995), Cambridge, USA (1996), Delphi, Greece (1997), and Seattle, USA (1998) as well as of the work in the comprehensive volume “Constraint Data- ses” edited by G. Kuper, L. Libkin and J. Paredaens (2000) and the textbook “Introduction to Constraint Databases” by P. Revesz (2002). The aim of the symposium was to open new and future directions in c- straint database research; to address constraints over domains other than the reals; to contribute to a better implementation of constraint database systems, in particular of query evaluation; to address e?cient quanti?er elimination; and to describe applications of constraint databases.
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