This paper uses Data Envelopment Analysis and econometric methods to evaluate the efficiency of Turkish secondary education. It identifies scale diseconomies and relates them to the underlying structural characteristics of the system. Some ideas on improving performance are offered. The role of heterogeneity and centralization is highlighted. Heterogeneity is modeled as an undesirable measure. ...

The state-of-the-art OpenFlow technology only partially realized SDN vision of abstraction and centralization for packet forwarding in switches. OpenFlow/P4 falls short in implementing middlebox functionalities due to the fundamental limitation in its match-action abstraction. In this paper, we advocate the vision of Software-Defined Middleboxes (SDM) to realize abstraction and centralization f...

OBJECTIVES To evaluate the best available evidence on volume-outcome effect of pancreatic surgery by a systematic review of the existing data and to determine the impact of the ongoing plea for centralization in The Netherlands. SUMMARY BACKGROUND DATA Centralization of pancreatic resection (PR) is still under debate. The reported impact of hospital volume on the mortality rate after PR varie...