The Trade Offs approach is an advanced tool for the improvement of the discrimination of Data Envelopment Analysis (DEA) models, Meta Malmquist Index was defined by Maria Portella and et. al (2008). In this paper we compute the Meta Malmquist Index in Trade Offs model in DEA and we compare, obtaining results, of Meta Malmquist Index in different models of DEA, Variable Return to Scale (VRS), Co...

Empirical evidence is mixed for interspecific trade-offs in investment among sexually selected traits. One important reason may be the way resources are allocated among species. Consider a set of species that obtains the same fitness pay-off for investment in song or plumage. Simulations where resources were normally distributed among species revealed significant trade-offs between song and plu...

In designing software systems, security is typically only one design objective among many, which may compete with other objectives such as privacy and usability. Too often, security mechanisms are adopted without explicit recognition of competing design objectives and their origins in stakeholder interests. Ultimately, security is about balancing the trade-offs among the competing goals of mult...

This paper discusses a novel transformation based design methodology and its use in the design of complex programmable VLSI systems. During the life cycle of a complex system the optimal trade-off between, partially, implementing in hardware or software is changing. This is due to varying system requirements (short time-to-market, low-cost, low-power etc.) and improving device technology. The p...

In the engineering design process, it is important to know the engineering trade-offs achievable under various design preferences and strategies. In this paper, a family of engineering design trade-offs are evolved from an automatic design synthesis methodology based on evolutionary computation. The complete Pareto optima frontier can be evolved by a consideration of fitness function that aggre...

T his special issue addresses the business of producing computing machines and the choices computer architects and implementors must make to succeed in the marketplace. This focus represents the sober reflection that computer architecture is not yet a science, even though parts of the discipline can be considered science and most of it often involves scientific methodology. To a large extent, t...

Replicated systems provide the foundation for most of today’s large-scale services. Engineering such replicated system is an onerous task. The first—and often foremost—step in this task is to establish an appropriate set of design goals, such as availability or performance, which should synthesize all the underlying system properties. Mixing design goals, however, is fraught with dangers, given...