255 search results - page 27 / 51 » Approximate Query Answering on Sensor Network Data Streams |
136
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DMSN
2005
ACM
15 years 3 months ago
2005
ACM
In this paper we present the Threshold Join Algorithm (TJA), which is an efficient TOP-k query processing algorithm for distributed sensor networks. The objective of a top-k query...
110
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VLDB
2005
ACM
15 years 7 months ago
2005
ACM
In many systems, sensors are used to acquire information from external environments such as temperature, pressure and locations. Due to continuous changes in these values, and lim...
121
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ISCC
2006
IEEE
15 years 8 months ago
2006
IEEE
Online monitoring of a physical phenomenon over a geographical area is a popular application of sensor networks. Networks representative of this class of applications are typicall...
136
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SIGMOD
2003
ACM
16 years 2 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...
135
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JACM
2012
13 years 4 months ago
2012
A fundamental problem in data management is to draw and maintain a sample of a large data set, for approximate query answering, selectivity estimation, and query planning. With la...