1611 search results - page 53 / 323 » Queries Independent of Updates |
CIKM
2005
Springer
14 years 12 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...
TSP
2008
14 years 9 months ago
2008
We introduce a framework based on Wirtinger calculus for nonlinear complex-valued signal processing such that all computations can be directly carried out in the complex domain. Th...
175
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ICDE
2005
IEEE
15 years 11 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
15 years 2 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...
103
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COMAD
2008
14 years 11 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...