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COMAD
2008
15 years 4 months ago
Runtime Optimization of Continuous Queries
In data stream processing systems, Quality of Service (or QoS) requirements, as specified by users, are extremely important. Unlike in a database management system (DBMS), a query...
Balakumar Kendai, Sharma Chakravarthy
CDC
2008
IEEE
217views Control Systems» more  CDC 2008»
15 years 3 months ago
An ensemble Kalman filtering approach to highway traffic estimation using GPS enabled mobile devices
Traffic state estimation is a challenging problem for the transportation community due to the limited deployment of sensing infrastructure. However, recent trends in the mobile pho...
Daniel B. Work, Olli-Pekka Tossavainen, Sebastien ...
IPSN
2004
Springer
15 years 8 months ago
Estimation from lossy sensor data: jump linear modeling and Kalman filtering
Due to constraints in cost, power, and communication, losses often arise in large sensor networks. The sensor can be modeled as an output of a linear stochastic system with random...
Alyson K. Fletcher, Sundeep Rangan, Vivek K. Goyal
SIGCOMM
2012
ACM
13 years 5 months ago
Network-aware service placement in a distributed cloud environment
We consider a system of compute and storage resources geographically distributed over a large number of locations connected via a wide-area network. By distributing the resources,...
Moritz Steiner, Bob Gaglianello Gaglianello, Vijay...
SIGMETRICS
2005
ACM
150views Hardware» more  SIGMETRICS 2005»
15 years 8 months ago
An analytical model for multi-tier internet services and its applications
- Since many Web applications employ a multi-tier architecture, in this paper, we focus on the problem of analytically modeling the behavior of such applications. We present a mode...
Bhuvan Urgaonkar, Giovanni Pacifici, Prashant J. S...