Certified Quality

Certified nursing assistants: a key to resident quality of life.

The lead editorial this month is by a nursing home resident who draws attention to the importance of certified nursing assistants (CNAs) in enhancing quality of life in nursing home residents.1 The Journal recently had an article by Lerner et al2 confirming this. They found that high CNA turnover resulted in large numbers of deficiencies for quality of care and resident behavior. Burack et al3 ...

Certified

Certified Subterm Criterion and Certified Usable Rules

In this paper we present our formalization of two important termination techniques for term rewrite systems: the subterm criterion and the reduction pair processor in combination with usable rules. For both techniques we developed executable check functions using the theorem prover Isabelle/HOL. These functions are able to certify the correct application of the formalized techniques in a given ...

Certified Professionals

Although negative selection in the thymus and induction of anergy in the periphery have been widely accepted as mechanisms for controlling autoreactivity, much less attention has been devoted to the role of suppressor T cells in mediating dominant immunologic self-tolerance. In 1995, Sakaguchi et al. (1, 2) made the seminal observation that the transfer of CD4 ϩ T cells which had been depleted ...

Certified Bitcoins

Bitcoin is a peer-to-peer (p2p) electronic cash system that uses a distributed timestamp service to record transactions in a public ledger (called the Blockchain). A critical component of Bitcoin’s success is the decentralized nature of its architecture, which does not require or even support the establishment of trusted authorities. Yet the absence of certification creates obstacles to its wid...