The rapid development of the aviation industry has brought about deterioration climate, which makes airline efficiency become a hot issue social concern. As an important nonparametric method, Data Envelopment Analysis (DEA), been widely applied in evaluation. This paper examines 130 papers published period 1993–2020 to summarize literature involving special application DEA models efficiency. be...

This research presents a new application of Data Envelopment Analysis (DEA) to empirically determine prices of multiple products. The DEA technique is now widely applied to performance analysis and efficiency measurement in economics, business and other areas in social science. This study does not explore such conventional DEA uses, rather directing towards a new DEA application to the determin...

Today, information networks play an important role in supply chain management. Therefore, in this article, clustering-based routing protocols, which are one of the most important ways to reduce energy consumption in wireless sensor networks, are used to optimize the supply chain informational cloud network. Accordingly, first, a clustering protocol is presented using self-organizing map neu...

This paper analyses the labour efficiency in Andalusia, and takes into account demographic characteristics of Andalusian municipalities. Data Envelopment Analysis (DEA) is methodology employed. The results obtained indicate differences at municipal level that depend on geographical arrangement, with provincial capitals being least efficient. An inverse relationship established between size muni...

ROBERT CAMPBELL, in honour of whose nmemory this lecture is held, was one of the great pioneers of aseptic surgery. He was the first surgeon to use rubber gloves in the British Isles, and he was responsible for many advances in our craft. He had a particular interest in the surgery of repair, and his appointment at the Children's Hospital gave him nmany opportunities to restore by means of repa...

accommodation of mechanism with human being’s physical characteristics creates the possibility of safe and efficient interaction between human being and robot. regarding the fact that amputation of a limb in human beings causes several mental, economical and social difficulties and problems, need to a substitute limb which has the most efficiency for the person after amputation is a vital need....