manufacturers need to evaluate the reliability of their products in order to increase the customer satisfaction. proper analysis of reliability also requires an effective study of the failure process of a product, especially its failure time. so, the failure process modeling (fpm) plays a key role in the reliability analysis of the system that has been less focused on. this paper introduces a f...

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Halting an epidemic outbreak in its early stages requires a detailed understanding of the contact dynamics between the agents capable of carrying the pathogen. While current epidemic models assume that agents interact at a uniform rate, following a Poisson process, here we provide evidence that for several computer and biological viruses the inter contact time distribution is heavy tailed. This...

Service-based systems should be able to dynamically seek replacements for faulty or underperforming services, thus performing self-healing. It may however be the case that available services do not match all requirements, leading the system to grind to a halt. In similar situations it would be better to choose alternative candidates which, while not fulfilling all the constraints, allow the sys...

Irrigated agriculture is placing increasing pressure onfinite freshwater resources, especially in developing countries, wherewater extraction is often unregulated, un-priced and even subsidized.To shift agriculture to amore sustainable use ofwaterwithout harming the food security and livelihoods of hundreds ofmillions of smallholders, substantial improvements ofwater use efficiencywill be requi...

This article focuses on the understanding and discussion of accelerated life test (AL T) procedures applied to reciprocal compressors. AL T procedures were analyzed and classified according to time proportional and proportional hazard models. Many papers were published and extensive research has been done in the area of AL T procedures. However, the fast paced changing world demands for a new g...