512 search results - page 31 / 103 » Data Quality and Query Cost in Wireless Sensor Networks |
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Continuous queries are used to monitor changes to time varying data and to provide results useful for online decision making. Typically a user desires to obtain the value of some ...
IJSN
2010
13 years 6 months ago
2010
: This paper investigates authentication and secure data retrieval issues in Radio-Frequency IDentification (RFID)-aware wireless sensor networks. We propose a network architecture...
EWSN
2006
Springer
14 years 7 months ago
2006
Springer
We present a framework called Semantic Streams that allows users to pose declarative queries over semantic interpretations of sensor data. For example, instead of querying raw magn...
EWSN
2010
Springer
14 years 4 months ago
2010
Springer
The simplicity and low-overhead of random walks have made them a popular querying mechanism for Wireless Sensor Networks. However, most of the related work is of theoretical nature...
AINA
2006
IEEE
14 years 1 months ago
2006
IEEE
In query-based wireless sensor networks (WSNs), the system must perform data sensing and retrieval and possibly aggregate data as a response at runtime. Since a WSN is often deplo...