In line with global trends, media in Southern Africa in the past decade has been moving slowly towards mergers, partnerships and multi-platform publishing. Driven by politics and facilitated by technology, the process has had to confront the difficulty of establishing viable economic models, the lack of regional integration within Southern African countries, and what is sometimes a difficult po...

One of the most important applications in visual analytics has been exploratory visual analysis of large collections of unstructured text documents. However, digital media, especially those on the Internet, are multimedia in content with text, images, video, and even sound together. Furthermore, there is an explosion of broadcast and other media, especially in third world countries. (In the Mid...

Solutions to the problem of transmitting data to a group of receivers in a way that only the correct sub-set of all possible receivers can decrypt the data are needed by a number of applications: Pay-TV, rights-controlled media, audio streaming, realtime business data, multicast communication are current examples, but there also off-line applications, particularly with regard to storage media f...

The study analyses the epistemologies of online breaking news, focusing on distinctive epistemic practices and challenges in production continuous news updates live broadcast. analytical framework identifies three central aspects epistemology: articulation knowledge claims; how journalists know what they claim to know; justification claims. draws data from ethnographic research at a Swedish fir...

Advertising revenues have become a critical element in the business plans of most commercial Web sites. Despite extensive research on advertising in traditional media, managers and researchers face considerable uncertainty about its role in the online environment. The benefits offered by the medium notwithstanding, the lack of models to measure and predict advertising performance is a major det...

The rise of New Media associated with the Internet has radically changed many aspects of daily life, and enabled us to do things that would have seemed unimaginable even a few decades ago. The speed and volume of communications has increased by a factor of a million or more since the Internet first emerged in the 1990s, and there has been a corresponding proliferation of information. Yet the ec...

The Internet has long outgrown its beginnings as a message system. It now hosts a multitude of video and audio applications. However, the current quality of real time delivery is insufficient for streaming media video. This paper examines what is needed to improve this quality to acceptable levels by considering the issues involved for the Internet to support broadcast television.