1248 search results - page 67 / 250 » Querying and Updating the File |
CIKM
2005
Springer
13 years 10 months ago
2005
Springer
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...
ICDE
2005
IEEE
14 years 10 months ago
2005
IEEE
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...
ICNP
2000
IEEE
14 years 1 months ago
2000
IEEE
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...
COMAD
2008
13 years 10 months ago
2008
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...
CONTEXT
2007
Springer
14 years 2 months ago
2007
Springer
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...