We consider the general problem of tracking moving objects in sensor networks. The specific application we consider is that of tracking a chemical plume moving over a large infra...
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
A scalable object location service can enable users to search for various objects in an environment where many small, networked devices are attached to objects. We investigate two...
Answering aggregate queries like sum, count, min, max over regions containing moving objects is often needed for virtual world applications, real-time monitoring systems, etc. Sin...
Abstract. Delimited continuations are the meanings of delimited evaluation contexts in programming languages. We show they offer a uniform view of many scenarios that arise in sys...