Increasingly, location-aware datasets are of a size, variety, and update rate that exceeds the
capability of spatial computing technologies. This paper addresses the emerging challenges …

Falls are a common problem in the elderly population, and their prediction has been a major
interest for the medical field. The relationship between stumbles and falls has not been very …

Diagnosis for wireless sensor networks is difficult, due to the limited resources and the ad
hoc manner of networks. The existing approaches mainly focus on collecting diagnosis …

Both sensor coverage maximization and energy cost minimization are the fundamental
requirements in the design of real-life mobile sensing applications, eg,(1) deploying …

A geospatial system is one in which the state space includes one, two or three-dimensional
space and time. A geospatial event is one in which an event impacts points in space over …

My thesis describes the design and implementation of systems that empower individuals to
help their communities respond to critical situations and to participate in research that helps …

Good accessibility to the internet, cheap and reliable wireless sensor network (WSN),
together with the explosion of ubiquitous wireless devices like computers, PDA and smart …

This proposal outlines an effort to develop and promote a unified agenda for Spatial
Computing research and development across US agencies, industries, and universities …

Wireless sensor network (or sensor network, for brevity in the following) comes into practice,
thanks to the recent technological advancement of embedded systems, sensing devices and …

Emergency responders must “see” the effects of an earthquake clearly and rapidly for
effective response. This project is a novel use of cell phone and information technology to …