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WSDM
2009
ACM
187views Data Mining» more  WSDM 2009»
14 years 2 months ago
Speeding up algorithms on compressed web graphs
A variety of lossless compression schemes have been proposed to reduce the storage requirements of web graphs. One successful approach is virtual node compression [7], in which of...
Chinmay Karande, Kumar Chellapilla, Reid Andersen
STOC
2012
ACM
251views Algorithms» more  STOC 2012»
11 years 10 months ago
Minimax option pricing meets black-scholes in the limit
Option contracts are a type of financial derivative that allow investors to hedge risk and speculate on the variation of an asset’s future market price. In short, an option has...
Jacob Abernethy, Rafael M. Frongillo, Andre Wibiso...
FPGA
2009
ACM
200views FPGA» more  FPGA 2009»
14 years 2 months ago
FPGA-based front-end electronics for positron emission tomography
Modern Field Programmable Gate Arrays (FPGAs) are capable of performing complex discrete signal processing algorithms with clock rates above 100MHz. This combined with FPGA’s lo...
Michael Haselman, Robert Miyaoka, Thomas K. Lewell...
MA
2011
Springer
241views Communications» more  MA 2011»
13 years 3 months ago
On the distribution of the ratio of the largest eigenvalue to the trace of a Wishart matrix
The ratio of the largest eigenvalue divided by the trace of a p×p random Wishart matrix with n degrees of freedom and identity covariance matrix plays an important role in variou...
Boaz Nadler
GLOBECOM
2006
IEEE
14 years 2 months ago
Service Differentiation by a Link Layer Protocol Based on SR ARQ over a Satellite Channel
— This paper studies the case where multiple IP flows are aggregated over a single satellite channel and an error recovery by retransmissions is performed by SelectiveRepeat (SR...
Toshihiro Shikama, Takashi Watanabe, Tadanori Mizu...