Public health nutrition sits at the nexus of a global crisis in food, environmental and health systems that has generated - along with numerous other problems - an urgent and changing problem of food insecurity. The 'new' food insecurity, however, is different from the old: it is bimodal, encompassing issues of both under- and over-consumption, hunger and obesity, quantity and quality; it has a...

Due to the inherent discrete nature of sensing, interpolation is a key activity in sensing. Interpolation in urban computing faces an unprecedented inference issue that was not present in large scale traditional sensing environments. Obstacles such as buildings and walls are prevalent in urban sensing, and it is important to consider them in urban sensing interpolation. This paper introduces an...

Crisis intervention, as it has evolved over the last five decades, has clearly demonstrated its effectiveness as a tool to reduce human distress. Nevertheless, as with any effort to alter human behavior, there are risks associated with crisis intervention. One such risk is that of premature intervention. Premature intervention may not only waste valuable intervention resources, but may serve to...