Public-key infrastructures (PKIs) that support both identity certificates and access control (e.g., attribute, delegation) certificates are increasingly common. We argue that these PKIs must also support revocation and review policies that are typical of more traditional access control systems; e.g., selective and transitive certificate revocation, and per-object access review. Further, we show...

This report examines the procedures followed in the 1978 revision of the U.S. Standard certificates of Live Birth, Death, Fetal Death, Marriage, and Divorce or Annulment. It outlines the history and basic principles of the standard certificates and the major objectives of this revision; describes the principal additions, modifications, and deletions of items; and discusses changes in fetal deat...

OBJECTIVE To assess the completeness of data on death certificates over the past 25 years in Beirut, Lebanon, and to examine factors associated with the absence of certifiers' signatures and the non-reporting of the underlying cause of death. METHODS A systematic 20% sample comprising 2607 death certificates covering the 1974, 1984, 1994, 1997 and 1998 registration periods was retrospectively...

PURPOSE To investigate whether patients are prescribed rehabilitation early in a new sick leave period, and whether this prescription is associated with sex, age, diagnosis, description of functioning and affiliation of certifying physician. METHOD A cross-sectional study using data from sickness certificates issued during a total sick leave period, collected consecutively during 2 weeks in 2...

A common feature practical reputation schemes is that they are on-line which results in restrictions to both availability and scalability. In order to overcome these two problems we propose an off-line reputation scheme based on public key certificates. We introduce the idea of articulated certificates which use proxy signatures to increase the efficiency of reputation verification. As well as ...

OBJECTIVE To evaluate the quality of information registered on fetal death certificates. METHODS Records were reviewed from 710 fetal deaths registered in the consolidated database of deaths from the State System for Data Analysis and the São Paulo State Secretary of Health, for deaths in São Paulo municipality (Southeastern Brazil) during the first semester of 2008. Completeness was analyzed...