Secret Key Agreement from Correlated Gaussian Sources by Rate Limited Public Communication

We investigate the secret key agreement from correlated Gaussian sources in which the legitimate parties can use the public communication with limited rate. For the class of protocols with the one-way public communication, we show a closed form expression of the optimal trade-off between the rate of key generation and the rate of the public communication. Our results clarify an essential difference between the key agreement from discrete sources and that from continuous sources.Comment: 9 pages, no figure, Version 2 is a published version. The results are not changed from version 1. Explanations are polishe

PUBLIC RELATIONS AND COOPERATION OFFICE OF SEBELAS MARET UNIVERSITY : DESCRIPTION AND FUNCTIONS

This final project report is written based on the job training, which has been conducted during two months in Public Relations and Cooperation Office, located on Jl. Ir. Sutami 36 A Kentingan Surakarta 57126. The purposes of final project are to describe and to explain the functions of the Public Relations and Cooperation Office of Sebelas Maret University. Public Relations and Cooperation Office is an institution which maintains mutual communication with internal and external public, having a good cooperation between an organization and its public and involves the management of problem and issue. The functions of Public Relation and Cooperation Office are maintaining good communication between company and its public, maintaining good communication and spreading information from Sebelas Maret University, distributing public opinion to the rector or vice rector IV about Sebelas maret University ’s image and activities. From the discussion, it is concluded that Public Relation and Cooperation Office has conducted its role and functions well. However, it still has to work hard to reach its goal. Besides, the Public Relations and Cooperation Office needs to hold a professional work training frequently to improve its professionalism. The Public Relations and Cooperation Office also needs to make the office tidy so it becomes a beautiful office

A Pirâmide das RP: Os media sociais e o papel das Relações

This paper explores the relationship between social media as tools used by public relations professionals and as part of the daily lives of organizations’ stakeholders, identifying emergent practices in public relations and confronting new perspectives, both professional and academic, on public relations functions and on its role within organizational communication. Departing from the agreement shared by academics and professionals on a profound shift in public relations as a consequence of the increasingly widespread, intense and frequent use of social media, this paper intends to clarify the nature and terms of that shift. Two perspectives are confronted: one of them is focused on emergent professional practices and regards social media as tools at the disposal of the PR professional; the other is broader in scope and views social media as a contextual factor that influences both the stakeholders’ behavior patterns and PR practices, thus redefining the role of public relations within organizational communication. The paper presents results from an exploratory study whose goal was to identify a conceptual framework for understanding the impact of social media on public relations.A relevant case study was identified, presenting the solution found by TAP, the Portuguese airline company, to deal with communication crisis involving the social media and to successfully manage social media use as a complementary communication channel. TAP’s social media presence is managed through an articulation of public relations, marketing and customer support where public relations assume a pivotal role. Drawing on this case study, we propose the PR pyramid as a theoretical model that redefines the role of public relations as the orchestrator of the consistent, coherent and integrated communication that is demanded by the contemporary digital context

The new frontier: Singaporean and Malaysian public relations practitioners’ perceptions of new media

Recent research into social media use identified mid-2006 to early 2007 as the period when Singaporean public relations agencies first recognised the need to embrace new media (Fitch, 2009a). This research draws on interviews conducted with ten senior Singaporean and Malaysian public relations practitioners in mid-2006 and offers an historical review of their attitudes to new media at that time. The results reveal that experienced public relations practitioners were fearful of the changing communication environment, even as some embraced the opportunities created by new media. These findings are significant in terms of understanding the implications of new media and changing communication patterns for public relations

From catering organisations to environmental and health related public catering systems

Based on the political legitimacy for healthy food and environment by the citizens, the traditional public catering is suggested to be conceptualised as a public catering system. This Luhmann inspired systems notion conveys the boundary between the catering system and its environments, stressing the environmental communication and adaptation by catering systems. However, environmental communication needs more developed and particular environmental constructions to be implemented on the level of particular catering systems. Organisational and communication research on the shop floor is needed in order to solve particular tensions. The systems approach to catering discloses how profound a change is at hand when actors simply try to connect the aspects of health and environment to public catering

Central Bank's Two-Way Communication with the Public and Inflation Dynamics

Using a model of island economy where financial markets aggregate dispersed information of the public, we analyze how two-way communication between the central bank and the public affects inflation dynamics. When inflation target is observable and credible to the public, markets provide the bank with information about the aggregate state of the economy, and hence the bank can stabilize inflation. However, when inflation target is unobservable or less credible, the public updates their perceived inflation target and the information revealed from markets to the bank becomes less perfect. The degree of uncertainty facing the bank crucially depends on how two-way communication works.Monetary policy, central bank communication, inflation target

Internet: turning science communication inside-out?

In the four decades since two university computers were first linked to each other over the prototype internet, scientific researchers have been innovators, early adopters and prolific adapters of internet technologies. Electronic mail, file transfer protocol, telnet, Gopher and the World Wide Web were all developed and applied first in research communities. The Web's development for sharing of information in the high-energy physics community unexpectedly heralded the internet's extension into many aspects of commerce, community, entertainment and governance. But despite the rapid proliferation and diversification of both over the past 15 years, the internet in its various forms has scientific communication indelibly inscribed into its fabric, and internet communication is thoroughly integrated into the practice of science. This chapter reviews some effects of the internet's emergence as a principal means of professional scientific communication, and of public communication of science and technology. It notes several paradoxes that characterise these developments, for example the contradictory trends towards easier collaboration across continents, and towards greater fragmentation. It notes the very significant disturbances caused by electronic publishing in the all-important field of scientific journals. It suggests that these and other developments have made more completely porous than before the boundaries between professional and public communication, facilitating public access to previously private spaces, and thus 'turning science communication inside-out'