We introduce three new mechanisms that allow trust to be built into cloud computing called the Private Virtual Infrastructure (PVI), the Locator Bot (LoBot), and the Trusted Virtual Environment Module (TVEM). Cloud computing requires that organizations trust that a service provider’s platforms...

Online social networking systems are a phenomenon that has grown exponentially over the past few years. These systems provide platforms for people to easily share information, especially about themselves and about their interests. With the recent emergence of geolocation technologies, social...