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DMDW
2003
131views Management» more  DMDW 2003»
15 years 5 months ago
Storage Layout and I/O Performance in Data Warehouses
Defining data placement and allocation in the disk subsystem can have a significant impact on data warehouse performance. However, our experiences with data warehouse implementatio...
Matthias Nicola, Haider Rizvi
COR
2010
117views more  COR 2010»
15 years 4 months ago
Performance optimization of open zero-buffer multi-server queueing networks
Abstract -- Open zero-buffer multi-server general queueing networks occur throughout a number of physical systems in the semi-process and process industries. In this paper, we eval...
R. Andriansyah, Tom Van Woensel, Frederico R. B. C...
TWC
2010
14 years 11 months ago
Rateless coding for MIMO fading channels: performance limits and code construction
In this letter the performance limits and design principles of rateless codes over fading channels are studied. The diversity-multiplexing tradeoff (DMT) is used to analyze the sys...
Yijia Fan, Lifeng Lai, Elza Erkip, H. Vincent Poor
WCNC
2008
IEEE
15 years 10 months ago
Asymptotic Distortion Performance of Source-Channel Diversity Schemes over Relay Channels
— Diversity techniques are an effective answer to the challenges presented by fading channels. This paper focuses on studying the performance of systems with diversity of three f...
Karim G. Seddik, Andres Kwasinski, K. J. Ray Liu
IPTPS
2004
Springer
15 years 9 months ago
Comparing the Performance of Distributed Hash Tables Under Churn
A protocol for a distributed hash table (DHT) incurs communication costs to keep up with churn—changes in membership—in order to maintain its ability to route lookups efficie...
Jinyang Li, Jeremy Stribling, Thomer M. Gil, Rober...