1430 search results - page 224 / 286 » Query operations for moving objects database systems |
MOBICOM
2004
ACM
15 years 5 months ago
2004
ACM
Target tracking is an important application of wireless sensor networks. In this application, the sensor nodes collectively monitor and track the movement of an event or target ob...
VLDB
2005
ACM
15 years 5 months ago
2005
ACM
In this demo, we present Nile-PDT, a Phenomenon Detection and Tracking framework using the Nile data stream management system. A phenomenon is characterized by a group of streams ...
103
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VLDB
2005
ACM
15 years 5 months ago
2005
ACM
RFID technology can be used to significantly improve the efficiency of business processes by providing the capability of automatic identification and data capture. This technol...
179
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ICDE
2007
IEEE
16 years 1 months ago
2007
IEEE
Automatic recognition and formalization of constraints from free-form service requests is a challenging problem. Its resolution would go a long way toward allowing users to make r...
175
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SIGMOD
2005
ACM
16 years 15 hour ago
2005
ACM
A windowed query operator breaks a data stream into possibly overlapping subsets of data and computes results over each. Many stream systems can evaluate window aggregate queries....