BACKGROUND While coverage of a celebrity suicide in the mass media may trigger copycat suicides, evidence for the effect of media reports of non-prominent suicides is moderate. Diversification of current media may raise further doubts as to whether their influence on suicidal acts is still present. We examined whether widespread media coverage of a railway accident, in which several people were...

In this article, multiple-product PVRP with pickup and delivery that is used widely in goods distribution or other service companies, especially by railways, was introduced. A mathematical formulation was provided for this problem. Each product had a set of vehicles which could carry the product and pickup and delivery could simultaneously occur. To solve the problem, two meta-heuristic methods...

Application virtual memory footprints are growing rapidly in all systems from servers down to smartphones. To address this demand, system integrators incorporating ever larger amounts of main memory, warranting rethinking management. In current systems, applications produce page fault exceptions whenever they access regions that not backed by a physical page. As application grow, induce more an...

We estimate and analyze the error rates resource overheads of repetition cat qubit approach to universal fault-tolerant quantum computation. The qubits stabilized by two-photon dissipation exhibit an extremely biased noise where bit-flip rate is exponentially suppressed with mean number photons. In a recent work, we suggested that remaining phase-flip channel could be using 1D code. Indeed, onl...

In some regions the exposure to railway noise is extremely concentrated, which may lead to high residential annoyance. Nonacoustical factors contribute to these reactions, but there is limited evidence on the interrelations between the nonacoustical factors that influence railway noise annoyance. The aims of the present study were (1) to examine exposure-response relationships between long-term...

Carbon pollution has become a sensitive topic across the globe in recent times. In Australia, incentive has been provided to industry in order to reduce carbon emissions in heavy polluting industries. The railway transportation system is one of the industries expected to reduce the emissions and contribute to a long term reduction strategy, although comparatively rail sector contributes much le...

after 1860’s the railway systems has started to be used in urban transportation in the world. however, especially after the 1950’s, automobile usage has been increased quickly. thus the dense of transportation has started to move from railway systems to the ones with rubber tire vehicles in istanbul. traffic density in urban transportation has started to be experienced since 1950 with the incre...

Railway Engineering Institute, China Academy of Railway Sciences, Beijing, China, Birmingham Centre for Railway Research and Education, School of Civil Engineering, The University of Birmingham, Edgbaston, United Kingdom, Department of Civil Engineering, Riga Technical University, Riga, Latvia, Department of Civil Engineering, School of Engineering, The University of Birmingham, Birmingham, Uni...

ac railway traction loads are usually huge single phase loads. as a result, a significant amount of negative sequence current (nsc) is injected into utility grid. moreover, harmonics and consumption ofreactive power are further power quality problems that the supply network is encountering. in this paper, acompensation strategy with the aid of railway power conditioner (rpc) is proposed to over...

Runtime Verification (RV) [11] is a lightweight verification technique mitigating the scalability issues associated with exhaustive verification techniques such as model checking. Low overheads are an important requirement for the viability of any RV framework, where the additional computation introduced by the monitors should ideally be kept to a minimum. detectEr[3, 7] is an RV tool for analy...