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SIGMOD
2009
ACM
235views Database» more  SIGMOD 2009»
14 years 7 months ago
Quality and efficiency in high dimensional nearest neighbor search
Nearest neighbor (NN) search in high dimensional space is an important problem in many applications. Ideally, a practical solution (i) should be implementable in a relational data...
Yufei Tao, Ke Yi, Cheng Sheng, Panos Kalnis
SIGMOD
2003
ACM
166views Database» more  SIGMOD 2003»
14 years 7 months ago
Statistical Schema Matching across Web Query Interfaces
Schema matching is a critical problem for integrating heterogeneous information sources. Traditionally, the problem of matching multiple schemas has essentially relied on finding ...
Bin He, Kevin Chen-Chuan Chang
SIGCOMM
2009
ACM
14 years 1 months ago
Every microsecond counts: tracking fine-grain latencies with a lossy difference aggregator
Many network applications have stringent end-to-end latency requirements, including VoIP and interactive video conferencing, automated trading, and high-performance computing—wh...
Ramana Rao Kompella, Kirill Levchenko, Alex C. Sno...
GLOBECOM
2007
IEEE
14 years 1 months ago
Initialization Techniques for Improved Convergence of LMS DFEs in Strong Interference Environments
— The least-mean square (LMS) decision-feedback equalizer (DFE) was previously shown [1], [2] to possess an extended convergence time in an interference limited environment. In [...
Arun Batra, James R. Zeidler, Aloysius A. Beex
ICC
2007
IEEE
128views Communications» more  ICC 2007»
14 years 1 months ago
Parametric Channel Estimation in Reuse-1 OFDM Systems
— We propose an improved channel estimator for reuse-1 orthogonal frequency division multiplexing (OFDM) cellular systems1 . The proposed channel estimation technique exploits de...
M. R. Raghavendra, Srikrishna Bhashyam, Krishnamur...