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IWCMC
2006
ACM
14 years 1 months ago
Low complexity design of space-time convolutional codes with high spectral efficiencies
Space time convolutional codes (STCCs) are an effective way to combine transmit diversity with coding. The computational complexity of designing STCCs generally increases exponent...
Kyungmin Kim, Hamid R. Sadjadpour, Rick S. Blum, Y...
SIGIR
1996
ACM
13 years 11 months ago
Viewing Stemming as Recall Enhancement
Previous research on stemming has shown both positive and negative effects on retrieval performance. This paper describes an experiment in which several linguistic and non-linguis...
Wessel Kraaij, Renée Pohlmann
ARCS
2009
Springer
14 years 2 months ago
Improving Memory Subsystem Performance Using ViVA: Virtual Vector Architecture
The disparity between microprocessor clock frequencies and memory latency is a primary reason why many demanding applications run well below peak achievable performance. Software c...
Joseph Gebis, Leonid Oliker, John Shalf, Samuel Wi...
CSE
2009
IEEE
14 years 2 months ago
Prospector: Multiscale Energy Measurement of Networked Embedded Systems with Wideband Power Signals
Abstract—Today’s wirelessly networked embedded systems underlie a vast array of electronic devices, performing computation, communication, and input/output. A major design goal...
Kenji R. Yamamoto, Paul G. Flikkema
SIGIR
2010
ACM
13 years 2 months ago
PRES: a score metric for evaluating recall-oriented information retrieval applications
Information retrieval (IR) evaluation scores are generally designed to measure the effectiveness with which relevant documents are identified and retrieved. Many scores have been ...
Walid Magdy, Gareth J. F. Jones