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INFOCOM
2011
IEEE
12 years 11 months ago
A nearly-optimal index rule for scheduling of users with abandonment
—We analyze a comprehensive model for multi-class job scheduling accounting for user abandonment, with the objective of minimizing the total discounted or time-average sum of lin...
Urtzi Ayesta, Peter Jacko, Vladimir Novak
INFOCOM
2011
IEEE
12 years 11 months ago
A dynamic relay selection scheme for mobile users in wireless relay networks
—Cooperative communication has attracted dramatic attention in the last few years due to its advantage in mitigating channel fading. Despite much effort that has been made in the...
Yifan Li, Ping Wang, Dusit Niyato, Weihua Zhuang
JIRS
2011
124views more  JIRS 2011»
12 years 11 months ago
EKF-Based Localization of a Wheeled Mobile Robot in Structured Environments
Abstract This paper deals with the problem of mobile-robot localization in structured environments. The extended Kalman filter (EKF) is used to localize the fourwheeled mobile robo...
Luka Teslic, Igor Skrjanc, Gregor Klancar
JNCA
2011
102views more  JNCA 2011»
12 years 11 months ago
Multi-objective zone mapping in large-scale distributed virtual environments
In large-scale distributed virtual environments (DVEs), the NP-hard zone mapping problem concerns how to assign distinct zones of the virtual world to a number of distributed serv...
Ta Nguyen Binh Duong, Suiping Zhou, Wentong Cai, X...
SIGMOD
2011
ACM
267views Database» more  SIGMOD 2011»
12 years 11 months ago
A latency and fault-tolerance optimizer for online parallel query plans
We address the problem of making online, parallel query plans fault-tolerant: i.e., provide intra-query fault-tolerance without blocking. We develop an approach that not only achi...
Prasang Upadhyaya, YongChul Kwon, Magdalena Balazi...