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SIGMOD
2004
ACM
14 years 1 months ago
2004
ACM
Data items are often associated with a location in which they are present or collected, and their relevance or in uence decays with their distance. Aggregate values over such data...
GISCIENCE
2008
Springer
13 years 8 months ago
2008
Springer
Movement patterns, like flocking and converging, leading and following, are examples of high-level process knowledge derived from lowlevel trajectory data. Conventional techniques...
JNW
2007
13 years 7 months ago
2007
— Wireless sensor networks offer the potential to significantly improve the performance of pursuers in pursuit-evasion games. In this paper, we study several sensor network syst...
GISCIENCE
2010
Springer
13 years 7 months ago
2010
Springer
Wireless sensor networks are deployed to monitor dynamic geographic phenomena, or objects, over space and time. This paper presents a new spatiotemporal data model for dynamic area...
VLDB
2005
ACM
14 years 7 months ago
2005
ACM
Abstract Declarative queries are proving to be an attractive paradigm for interacting with networks of wireless sensors. The metaphor that "the sensornet is a database" i...