COVER With her mother looking on, a woman in Hlabisa, South Africa, receives an HIV test as part of a survey by the Africa Centre for Health and Population Studies. In this issue, two Reports (pages 961 and 966) show that treating HIV-infected people reduces the risk of virus spread and increases life expectancy. A special News section (page 898) describes South Africa’s fi ght against the co-e...

We describe a system that tracks the spread of epidemics by automatically extracting content from the Web. The system continuously monitors a large set of news sources, extracts information from new articles, and accumulates the extracted facts in a database in real time. The system provides functionality for visualizing results, as well as alerting capability. We present the current state of t...

Understand the limitations of panoramic radiography in detecting systemic diseases. For the purposes of this report, “systemic disease” will be interpreted as conditions that are spread out within the body rather than localized strictly to the tissues of the oral cavity. Since it would take many volumes to review all such conditions, the intent of this issue of Panoramic Imaging News is to revi...

 Commodity markets: overview, description and structure  Commodity spot price models, their performance and calibration  Forward curve modeling for commodities  Modeling commodity price volatility  Correlations/dependencies in commodity portfolios  Modeling risk of a commodity portfolio  Typical commodity derivatives (quanto, Asian, spread and basket options, volumetric and swing options...

While fake news has been a common problem for well over century, the emergence of social media and smartphones escalated its spread. This study adopts qualitative approach to explore readiness academic librarians in curbing news. Data was drawn from interviews with reference library staff head who were purposively selected 12 libraries evaluated through lens International Federation Library Ass...

Background: Although the scientific literature has extensively discussed the impact of the media on people’s health-related behaviors, there is little evidence on the effect of different sources of Covid-19 vaccine news on changing the intention to adhere to health protocols. Therefore, the present study was conducted to investigate the news sources of Covid vaccine 19 and the association of ea...

This article is part of a much broader study of persuasive techniques in television news in Iran. As a very important part of IRIB news IRINN has been chosen for this study. If we assume that one of the most influential television news, the power of persuasion to influence the audience is very important. It seemed that choosing the highest hypothetical level of news and deconstructing it would ...

The Web has become a ubiquitous tool for distributing knowledge and information and for conducting businesses. To exploit the huge potential of the Web as a global information repository, it is necessary to understand its dynamics. These issues are particularly important for news Web sites as they are expected to provide fresh information on current world events to a potentially large user popu...

Social scientists have long recognized the importance of social networks in the spread of information [Granovetter 1973], products [Brown and Reingen 1987; Watts and Dodds 2007], and innovation [Rogers 2003]. Modern communications technologies, notably email and more recently social media, have only enhanced the role of networks in marketing [Domingos and Richardson 2001; Kempe et al. 2003], in...