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SIGMOD
2006
ACM
219views Database» more  SIGMOD 2006»
14 years 9 months ago
Modeling skew in data streams
Data stream applications have made use of statistical summaries to reason about the data using nonparametric tools such as histograms, heavy hitters, and join sizes. However, rela...
Flip Korn, S. Muthukrishnan, Yihua Wu
ICIAP
2007
ACM
14 years 9 months ago
Natural scenes categorization by hierarchical extraction of typicality patterns
Natural scene categorization of images represents a very useful task for automatic image analysis systems in a wide variety of applications. In the literature, several methods hav...
Alessandro Perina, Marco Cristani, Vittorio Murino
PERCOM
2007
ACM
14 years 8 months ago
Data Quality and Query Cost in Wireless Sensor Networks
This research is motivated by emerging, real-world wireless sensor network applications for monitoring and control. We examine the benefits and costs of caching data for such appli...
David J. Yates, Erich M. Nahum, Jim Kurose, Prasha...
MOBISYS
2006
ACM
14 years 8 months ago
LIGER: implementing efficient hybrid security mechanisms for heterogeneous sensor networks
The majority of security schemes available for sensor networks assume deployment in areas without access to a wired infrastructure. More specifically, nodes in these networks are ...
Patrick Traynor, Raju Kumar, Hussain Bin Saad, Guo...
MOBIHOC
2003
ACM
14 years 8 months ago
ESRT: event-to-sink reliable transport in wireless sensor networks
Wireless sensor networks (WSN) are event based systems that rely on the collective effort of several microsensor nodes. Reliable event detection at the sink is based on collective...
Yogesh Sankarasubramaniam, Özgür B. Akan...