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ICCCN
2007
IEEE
14 years 3 months ago
Optimization Models for Streaming in Multihop Wireless Networks
— Wireless spectrum is a scare resource, while media streaming usually requires high end-to-end bandwidth. Media streaming in wireless ad hoc networks is therefore a particularly...
Zongpeng Li, Baochun Li, Mea Wang
WWW
2010
ACM
14 years 3 months ago
Web-scale k-means clustering
We present two modifications to the popular k-means clustering algorithm to address the extreme requirements for latency, scalability, and sparsity encountered in user-facing web...
D. Sculley
DCC
2007
IEEE
14 years 8 months ago
Nonuniform Compression in Databases with Haar Wavelet
Data synopsis is a lossy compressed representation of data stored into databases that helps the query optimizer to speed up the query process, e.g. time to retrieve the data from ...
S. Chen, A. Nucci
CASES
2003
ACM
14 years 2 months ago
Frequent loop detection using efficient non-intrusive on-chip hardware
Dynamic software optimization methods are becoming increasingly popular for improving software performance and power. The first step in dynamic optimization consists of detecting ...
Ann Gordon-Ross, Frank Vahid
ICC
2007
IEEE
387views Communications» more  ICC 2007»
14 years 3 months ago
LS Channel Estimation for Mobile OFDM Communications on Time-Varying Frequency-Selective Fading Channels
Abstract— A least-squares (LS) channel estimation (CE) technique for mobile OFDM communications over a rapidly timevarying frequency-selective fading channel is investigated in t...
Jia-Chin Lin