805 search results - page 30 / 161 » Spatial queries in sensor networks |
PERCOM
2005
ACM
14 years 8 months ago
2005
ACM
Topographic querying is the process of extracting data from a sensor network for understanding the graphic delineation of features of interest in a terrain. Query processing techn...
MUE
2007
IEEE
14 years 3 months ago
2007
IEEE
With the developments of related techniques in telecommunication and computer sciences, wireless sensor networks have been used more and more widely. While sensor nodes in wireles...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
Current distributed database and stream processing systems assume that the network connecting nodes in the data processor is "always on," and that the absence of a netwo...
DEXA
2010
Springer
13 years 6 months ago
2010
Springer
Abstract. Sensor networks are increasingly used across various application domains. Their usage has the advantage of automated, often continuous, monitoring of activities and event...
DMSN
2005
ACM
13 years 10 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...