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» Tuning query performance in mobile sensor databases
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DEXA
2006
Springer
137views Database» more  DEXA 2006»
15 years 1 months ago
CLEAR: An Efficient Context and Location-Based Dynamic Replication Scheme for Mobile-P2P Networks
We propose CLEAR (Context and Location-based Efficient Allocation of Replicas), a dynamic replica allocation scheme for improving data availability in mobile ad-hoc peer-to-peer (M...
Anirban Mondal, Sanjay Kumar Madria, Masaru Kitsur...
IPSN
2009
Springer
15 years 4 months ago
Automating rendezvous and proxy selection in sensornets
As the diversity of sensornet use cases increases, the combinations of environments and applications that will coexist will make custom engineering increasingly impractical. We in...
David Chu, Joseph M. Hellerstein
ICDE
2009
IEEE
223views Database» more  ICDE 2009»
15 years 11 months ago
Another Outlier Bites the Dust: Computing Meaningful Aggregates in Sensor Networks
Abstract-- Recent work has demonstrated that readings provided by commodity sensor nodes are often of poor quality. In order to provide a valuable sensory infrastructure for monito...
Antonios Deligiannakis, Yannis Kotidis, Vasilis Va...
EDBT
2008
ACM
128views Database» more  EDBT 2008»
15 years 9 months ago
Processing transitive nearest-neighbor queries in multi-channel access environments
Wireless broadcast is an efficient way for information dissemination due to its good scalability [10]. Existing works typically assume mobile devices, such as cell phones and PDAs...
Xiao Zhang, Wang-Chien Lee, Prasenjit Mitra, Baihu...
PODS
2005
ACM
128views Database» more  PODS 2005»
15 years 9 months ago
Operator placement for in-network stream query processing
In sensor networks, data acquisition frequently takes place at lowcapability devices. The acquired data is then transmitted through a hierarchy of nodes having progressively incre...
Utkarsh Srivastava, Kamesh Munagala, Jennifer Wido...