introduction: purchasing scientific journals take a large amount of university library budget. so choosing journals with a scientific validity that response to universities needs is so important. this article aims to have a survey on usage rate of isfahan university of medical sciences users on public, environmental and occupational health journals to confirm core journals via bradford scatteri...

relationship between public and private sector is becoming an increasingly important issue in management of agricultural extension services. the need for a strong linkage could be identified as the gap between desirable and current situation. in this research, the differences among current and desirable situation in six diverse dimensions was calculated. the current and desirable situation was ...

Open networks allow users to communicate without any prior arrangements such as contractual agreement or organisation membership. However, the very nature of open networks makes authenticity difficult to verify. We show that authentication can not be based on public key certificates alone, but also needs to include the binding between the key used for certification and it’s owner, as well as th...

Purpose – To overview and discuss the technical, economical, legal, and social reasons why public key infrastructures (PKIs) have failed so far, summarizing the lessons learned, and giving expectations about the future development of the field. Design/methodology/approach – A detailed analysis of the developments in the PKI field, pointing out the achievements so far and the issues that still r...

BACKGROUND Effective talent development requires robust supervision. However, the effects of supervisory styles (coaching, mentoring and abusive supervision) on talent development and the moderating effects of clinical learning environment in the relationship between supervisory styles and talent development among public hospital trainee doctors have not been thoroughly researched. In this stud...

Over time, in order to improve functionality or efficiency, new features have been added to the basic framework of public key infrastructures (PKIs). While these new features are useful, as with any other security critical application, new features can open the door for new types of attacks. In this paper, we will concentrate on those attacks against a PKI which allow an attacker to take advant...

There are considerable debates about the existence, nature, and application of entrepreneurship within the public sector. The present survey analyzes the application of entrepreneurship in Iranian public sector organizations. For this purpose, the situation of entrepreneurship within the head offices of Iranian public service organizations was considered. Also, based on McKeinsy and Daft’s fram...

Methods The number of cases of death were obtained from the 2002 and 2005 Mortality Database and population data from the Population Census 2002. Standardized sex specific rates of non-traumatic and traumatic mortality in 2002 and 2005 were calculated in relation to the European standard population. We presented population pyramid and aging index for both populations in 2002 and compared sex sp...

This article summarises the findings of recent work on local authority public hospital services in England and Wales in the inter-war years and identifies the lack of a robust hypothesis to explain the variations found, particularly one that would explain the actions of county councils as well as county boroughs. Using public policy techniques on a group of local authorities in the far South We...

This survey covers basic information about public key infrastructures and summarizes the predominant technology and standards. Special attention is given to mechanisms for certificate revocation. Methods for CRL distribution and validity checking are compared. Supported by KDD R&D Laboratories, Inc.