Search engines are commercial entities that require revenue to survive. The most prevalent revenue stream for search engines is sponsored search, where content providers have search engines service their links to users in response to queries or in a contextual manner on relevant Web sites. In exchange for providing this service, content providers pay search engines based on the number of clicks...

BACKGROUND Patients undergoing radiotherapy for prostate cancer experience symptoms related to both the cancer itself and its treatment, and it is evident that patients with prostate cancer have unmet supportive care needs related to their disease. Over the past decade, there has been an increase in the amount of research within the field of mobile health and the use of apps as tools for managi...

Today many web pages include externally sourced content. Advertisements, video, blog “trackbacks,” search—these and other features of the modern web are provided by thirdparty servers. Such external content is so popular that content is often incorporated from more than one source. In this paper we argue that such multiple inclusions are a significant security risk because of the potential for ...

Content Delivery Networks (CDNs) provide numerous benefits for cacheable content: reduced delivery cost, improved quality of experience for End Users, and increased robustness of delivery. For these reasons, they are frequently used for large-scale content delivery. As a result, existing CDN Providers are scaling up their infrastructure, and many Network Service Providers (NSPs) are deploying t...

Since their advent in the early 90s, web applications and services have evolved from the simple clientserver model, where content (e.g., a file) is delivered point-to-point from a single web server to a single client, to a vast and complex system consisting of numerous servers (some located close to users and others in large back-end data centers), network elements, and software components owne...

Human immunodeficiency virus (HIV) treatment programs in resource-limited areas are expanding rapidly. Providing training and education to health care providers in these programs is a major challenge. We have employed Internet-based conferencing technology to conduct interactive case-based training conferences with health care professionals in Africa, Asia, and the Caribbean. This online progra...

These developments are a threat to TV service providers, who have built up their businesses by delivering content to the TV set in the living room – a business model based on linear channels, PPV events, VoD movies, catch-up TV, and start-over TV. This model doesn’t fit the IP-based multiscreen world, and traditional providers are facing revenue losses from declining subscription figures and th...

Internet-based interactive TV is an emerging field affected by advances in various research areas including communication, interactivity, network efficiency, content management and aesthetics. Despite constantly reducing costs in the area of broadcast infrastructure development, this new medium has yet to claim its market position and recognition. The large marketshare of existing non-interacti...

A content provider must choose how to provision its server resources to handle client demand for its content. When provisioning is based on typical demand, clients are turned away during peak demand periods. Provisioning based on peak demand or contracting a third party content distribution network service increases costs. An alternative approach is for the various content providers to form a c...