208 search results - page 20 / 42 » Querying Moving Objects with Uncertainty in Spatio-Temporal ... |
JSS
2006
14 years 9 months ago
2006
Tracking of mobile objects trajectories is one of many modern applications supported by Spatiotemporal databases. Within the context of this application, queries about the present...
180
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ICDE
2008
IEEE
15 years 10 months ago
2008
IEEE
Existing prediction methods in moving objects databases cannot forecast locations accurately if the query time is far away from the current time. Even for near future prediction, m...
GEOINFORMATICA
2006
14 years 9 months ago
2006
With the rapid advancements in positioning technologies such as the Global Positioning System (GPS) and wireless communications, the tracking of continuously moving objects has bec...
SIGMOD
2003
ACM
15 years 9 months ago
2003
ACM
Many applications employ sensors for monitoring entities such as temperature and wind speed. A centralized database tracks these entities to enable query processing. Due to contin...
171
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ICDE
2005
IEEE
15 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...