Division I Working Group on “Definition of Coordinated Universal Time”

Working group on AIDS case definition.

Definition of IETF Working Group Document States

This document defines new states and status annotation tags that need to be added to the Datatracker to enable WG Chairs and their Delegates to track the status of Internet-Drafts (I-Ds) that are associated with their WGs. This document also describes the meaning of all previously implemented I-D states and substate annotation tags currently used by IETF Area Directors to indicate the status of...

On systematic uncertainties in Coordinated Universal Time (UTC)

Lewandowski, Matsakis, Panfilo, and Tavella published a series of papers computing the statistical (Type A), and systematic (Type B) uncertainties in UTC [1-2]. The formalism did not include a method for incorporating redundant links, but an outline for this was later published by Petit and Jiang [3]. This paper explores the consequences of the topological location of labs, and of using links w...

Stigmergy as a universal coordination mechanism I: Definition and components

The concept of stigmergy has been used to analyze self-organizing activities in an ever-widening range of domains, including social insects, robotics, web communities and human society. Yet, it is still poorly understood and as such its full power remains underappreciated. The present paper clarifies the issue by defining stigmergy as a mechanism of indirect coordination in which the trace left...

Chronic Pseudomonas aeruginosa infection definition: EuroCareCF Working Group report.

Chronic pulmonary infection with P. aeruginosa develops in most patients with cystic fibrosis (CF); by adulthood 80% of patients are infected and chronic P. aeruginosa infection is the primary cause of increased morbidity and mortality in CF. Chronic infection is preceded by an intermittent stage of infection. The initial stage is characteristically followed by the gradual emergence of mucoid v...