Brainstem death is a clinical syndrome defined by the absence of reflexes with pathways through the brainstemâthe stalk of the brain, which connects the spinal cord to the mid-brain, cerebellum and cerebral hemispheresâin a deeply comatose, ventilator-dependent patient. Identification of this state carries a very grave prognosis for survival; cessation of heartbeat often occurs within a few days although it may continue for weeks or even months if intensive support is maintained. In ...
Collecting the Traffic Demand Matrices. The core traffic demand matrix is the matrix of ingress-to-egress traffic demands across the core network. Traffic matrices can be measured or estimated to different levels of aggregation: by IP prefix, by router, by point of presence (POP), or by autonomous system (AS).
Core Data. Core Data is an object graph and persistence framework provided by Apple in the macOS and iOS operating systems. It was introduced in Mac OS X 10.4 Tiger and iOS with iPhone SDK 3.0. It allows data organised by the relational entityâattribute model to be serialized into XML, binary, or SQLite stores.