This authentic threat asserts impending fatal injury. Because of the dangerous nature of threats, investigators must immediately ask: Is the intent real? Is the threatener likely to act? With real lives at risk, using the linguistic information available to answer these questions quickly and accurately is of great importance. Yet, because most…

Virtual worlds provide useful platforms for social behavioral research, but impose stringent limitations on the rules of engagement, responsiveness, and data collection, along with other resource restrictions. The major challenge from a computer science standpoint in developing group behavior applications for such environments is accommodating the…