This paper introduces xTrust, a general purpose security framework that supports a wide range of applications and security mechanisms in a way that makes trust highly visible. It provides basic services for identifying paths between peers that are trusted for specific purposes, and for utilizing those paths for the trustworthy exchange of information. The design of the system is based on four g...

this research is a new attempt in order to study the effect of evolution theory in the dimension of empirical ethics. in the contemporary area the evolutionary ethics is in the three branches: descriptive, prescriptive and meta-ethics. the descriptive evolutionary ethics tries to modify human’s ethical believes in the evolutionary aspect and achieves more share from two others part in this grou...

the objective of the present study was to identify managerial competencies. this study reviewed existing managerial competencies in a cultural context resulting in the development of a broad based psychometrically sound leadership questionnaire. the unit of analysis of the research was a theoretical and experimental research related to managerial competencies, provided from seventeen iranian an...

hospital ethics committees (hecs) help clinicians deal with the ethical challenges which have been raised during clinical practice. a comprehensive literature review was conducted to provide a historical background of the development of hecs internationally and describe their functions and practical challenges of their day to day work. this is the first part of a comprehensive literature review...

Nursing is one of the most crucial foundations any country's healthcare system. Nurses spend their time at bedside patients, exposing them to a wide range situations and, as result, are constantly faced with ethical dilemmas. The present study aims investigate ability thinking and characteristics that help nurses maintain professional ethics. This cross-sectional descriptive research.in Alborz ...

biomedical ethics is a branch of professional or practical ethics that examine the moral aspects of profession of medicine. every professional ethics due its issues and problems determine an especial theory and principles. in this article after referring to the three branches of ethics and describing important schools of ethical theory we have explained the six main approaches to biomedical eth...

In recent years we have witnessed a great increase in the interest in Trust Management (TM) techniques both from the industrial and the academic sectors. The booming research has also determined a duality in the very definition of TM system which can lead to confusion. In one of the two categories of TM systems a great deal of work has yet to be done in advancing the inherently adaptive nature ...