by Peter Korevaar, Ulrich Schimpel and Richard Boedi

Imagine, you have to supply your customers from an inventory of several hundred thousand parts, handling tens of thousands of orders per week. Overall, you want these customers to be satisfied with at least 95% service level (number of customer requests that can be immediately satisfied.) Further, imagine your inventory comes from over one thousand suppliers with strongly varying package conditions, price structures and delivery times. At the same time you want to minimize overall costs, consisting of distribution-center inventory, handling and transportation costs. And finally, you want to manage all of this dynamically over time with a limited computational investment.

by Jan H. van Schuppen

To decrease traffic congestion and to facilitate a smooth traffic flow, researchers of the European C4C project developed new mathematics and computer engineering. The associated software made by IT company Trinité will be used by the traffic control centers of Rijkswaterstaat, the Netherlands' motorway authority. The C4C project (Control for Coordination of Distributed Systems), which is coordinated by CWI and in which both companies and research institutes took part, ended on 31 August 2011. Until now, the project was twice evaluated as excellent by independent reviewers.

by Alexander Hanzlik

Simulation based design approaches become more and more important in development processes for automotive embedded systems. The benefits of such approaches in software development processes are, among others, reduced hardware needs during development, better analysis capabilites and reduced time for building and loading resulting in shorter development times. The technical challenge is to switch between the software development and test environment and the real system without modifications of the original code. This challenge is addressed by SIDERA, a Simulation based Integrated Development Environment for Real-Time Applications that supports the development of software modules for FlexRay based vehicle control systems.

by Denys A. Wahl, Laurence Triouleyre and Victoria Monti

OsteoLink combines online and in-person activities to bring a new community-based approach to osteoporosis management

Osteoporosis is a disease characterized by low bone mass and deterioration of bone tissue, resulting in an increased risk of fractures. Globally one in three women and one in five men over the age of 50 will suffer an osteoporotic fracture in their remaining lifetime. Importantly, osteoporotic fractures cause pain, deformity, disability, loss of independence and social isolation. The economic burden of osteoporosis in Europe is significant. Total direct medical costs are estimated at €36 billion a year and are expected to double by 2050 with the ageing population. Despite the availability of treatments and educational awareness, there is a problem of low compliance to treatment, leaving the patient a high risk of fracturing a bone.

by Stella Melina Vasilaki

The low uptake of Science, Technology and Mathematics (STEM) constitutes a research and policy concern worldwide for some time now. The SESTEM project is built on the premise that the study of the uptake of STEM studies by girls and their retention in the field can benefit from investigation into the triangulation of family-individual and school factors. Under this scope SESTEM is currently conducting four interrelated comparative studies engaging students, pupils, parents and teachers (both secondary and tertiary levels). Both qualitative (in depth interviews, conceptual mapping, tandem based dialoguing and review into existing literature) and quantitative (collection and analyses of data from across the European Union Member States using on-line survey methods, and meta-analyses of existing statistical data) methods are applied.

Next issue: July 2021
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