Sciweavers

25 search results - page 5 / 5
» Estimating cardinality distributions in network traffic: ext...
Sort
View
BTW
2005
Springer
113views Database» more  BTW 2005»
13 years 11 months ago
A Learning Optimizer for a Federated Database Management System
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
Stephan Ewen, Michael Ortega-Binderberger, Volker ...
DCOSS
2005
Springer
13 years 10 months ago
Collaborative Sensing Using Sensors of Uncoordinated Mobility
Abstract— Wireless sensor networks are useful for monitoring physical parameters and detecting objects or substances in an area. Most ongoing research consider the use of either ...
Kuang-Ching Wang, Parmesh Ramanathan
TON
2008
136views more  TON 2008»
13 years 5 months ago
A geometric approach to improving active packet loss measurement
Abstract-- Measurement and estimation of packet loss characteristics are challenging due to the relatively rare occurrence and typically short duration of packet loss episodes. Whi...
Joel Sommers, Paul Barford, Nick G. Duffield, Amos...
MST
2010
155views more  MST 2010»
13 years 2 days ago
Stochastic Models and Adaptive Algorithms for Energy Balance in Sensor Networks
We consider the important problem of energy balanced data propagation in wireless sensor networks and we extend and generalize previous works by allowing adaptive energy assignment...
Pierre Leone, Sotiris E. Nikoletseas, José ...
ICUMT
2009
13 years 3 months ago
Cooperative robust sequential detection algorithms for Spectrum Sensing in Cognitive Radio
Abstract-- We consider the problem of Spectrum Sensing in Cognitive Radio Networks. In our previous work we have developed DualCUSUM, a distributed algorithm for change detection a...
ArunKumar Jayaprakasam, Vinod Sharma