805 search results - page 62 / 161 » Spatial queries in sensor networks |
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ATAL
2005
Springer
15 years 9 months ago
2005
Springer
Interpolation is a technique used to estimate the value of a function at a given location, assuming that the values of the function are known for surrounding locations. A Wireless...
135
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BNCOD
2008
15 years 5 months ago
2008
Abstract. We introduce a query language over sensors, streams and relations and formally describe its semantics. Although the language was specifically designed for sensor network ...
125
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SAC
2005
ACM
15 years 9 months ago
2005
ACM
: Traditional spatial indexes like R-tree usually assume the database is not updated frequently. In applications like location-based services and sensor networks, this assumption i...
122
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PERCOM
2008
ACM
15 years 10 months ago
2008
ACM
In this paper we present a protocol for sensor applications that require periodic collection of raw data reports from the entire network in a timely manner. We formulate the probl...
159
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MM
2006
ACM
15 years 9 months ago
2006
ACM
Conventional wide-area video surveillance systems use a network of fixed cameras positioned close to locations of interest. We describe an alternative and flexible approach to w...