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MOBISYS
2007
ACM
15 years 10 months ago
2007
ACM
An algorithm has been developed to automatically construct individual models of normal activity within a home using motion sensor data. Alerts can be generated when a period of in...
MOBISYS
2005
ACM
15 years 10 months ago
2005
ACM
If a mobile computing device knows how it is positioned and oriented in relation to other devices nearby, then it can provide enhanced support for multi-device and multi-user inte...
DEBS
2009
ACM
15 years 5 months ago
2009
ACM
We address the problem of processing continuous multi-join queries, over distributed data streams, making use of existing work in the field of publish/subscribe systems. We show ...
EWSN
2010
Springer
15 years 2 months ago
2010
Springer
On a common sensor node platform (Telos) we sample RSSI with high frequency during packet reception. We find that a packet collision (RF interference) often manifests as a measurab...
CEC
2010
IEEE
14 years 9 months ago
2010
IEEE
We introduce a novel combinatorial optimization problem: the one-commodity traveling salesman problem with selective pickup and delivery (1-TSP-SELPD), characterized by the fact th...