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» Measuring and Monitoring NT Performance
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VLDB
2001
ACM
190views Database» more  VLDB 2001»
14 years 1 months ago
LEO - DB2's LEarning Optimizer
Most modern DBMS optimizers rely upon a cost model to choose the best query execution plan (QEP) for any given query. Cost estimates are heavily dependent upon the optimizer’s e...
Michael Stillger, Guy M. Lohman, Volker Markl, Mok...
CCS
2010
ACM
13 years 9 months ago
Dialog-based payload aggregation for intrusion detection
Network-based Intrusion Detection Systems (IDSs) such as Snort or Bro that have to analyze the packet payload for all the received data show severe performance problems if used in...
Tobias Limmer, Falko Dressler
TIM
2010
168views Education» more  TIM 2010»
13 years 3 months ago
Thermal Event Recognition Applied to Protection of Tokamak Plasma-Facing Components
Magnetic confinement fusion tokamaks are complex devices where a large amount of power is required to make the fusion reactions happen. In such experimental conditions, Plasma Faci...
Vincent Martin, Jean-Marcel Travere, Franço...
PODS
2007
ACM
225views Database» more  PODS 2007»
14 years 9 months ago
Sketching unaggregated data streams for subpopulation-size queries
IP packet streams consist of multiple interleaving IP flows. Statistical summaries of these streams, collected for different measurement periods, are used for characterization of ...
Edith Cohen, Nick G. Duffield, Haim Kaplan, Carste...
IPSN
2009
Springer
14 years 3 months ago
Simultaneous placement and scheduling of sensors
We consider the problem of monitoring spatial phenomena, such as road speeds on a highway, using wireless sensors with limited battery life. A central question is to decide where ...
Andreas Krause, Ram Rajagopal, Anupam Gupta, Carlo...