NAPE <i>VERTIT</i>: A NOTE ON OVID, <i>AMORES</i> 1.12

Melasma on the nape of the neck in a man.

Sir, We report a 47-year-old man with light brown macular pigmentation on the nape of his neck (Fig. 1). It was asymptomatic and had developed gradually over 2 years. He worked outdoors as a pipe fitter on an oilrig module; however, he denied exposure at this site because he always wore a shirt with a collar that covered the affected area. However, on further questioning it transpired that he s...

Ovid: A Browser for Grids

Ovid: A Software-Defined Distributed Systems Framework

We present Ovid, a framework for building evolvable large-scale distributed systems that run in the cloud. Ovid constructs and deploys distributed systems as a collection of simple components, creating systems suited for containerization in the cloud. Ovid supports evolution of systems through transformations, which are automated refinements. Examples of transformations include replication, bat...

Ovid: Resuscitative hypothermia

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A note on vague graphs

In this paper, we introduce the notions of product vague graph, balanced product vague graph, irregularity and total irregularity of any irregular vague graphs and some results are presented. Also, density and balanced irregular vague graphs are discussed and some of their properties are established. Finally we give an application of vague digraphs.