288 search results - page 17 / 58 » Continuous Query Processing in Spatio-Temporal Databases |
EDBT
2009
ACM
14 years 3 months ago
2009
ACM
This work addresses the problem of processing continuous nearest neighbor (NN ) queries for moving objects trajectories when the exact position of a given object at a particular t...
SSDBM
2008
IEEE
14 years 3 months ago
2008
IEEE
Abstract. Existing approaches to the management of streaming positional updates generally assume that all active user requests have equal importance, ignoring the possibility of an...
DASFAA
2009
IEEE
14 years 3 months ago
2009
IEEE
This paper investigates the problem of writing data to passive RFID tag memory and proposes a reprocessing model for assuring the atomicity and durability of writing transactions i...
DEXA
2007
Springer
14 years 2 months ago
2007
Springer
Due to the high frequency in location updates and the expensive cost of continuous query processing, server computation capacity and wireless communication bandwidth are the two li...
ICDE
2003
IEEE
14 years 10 months ago
2003
IEEE
The long-running nature of continuous queries poses new scalability challenges for dataflow processing. CQ systems execute pipelined dataflows that may be shared across multiple q...