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89
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ML
2007
ACM
101views Machine Learning» more  ML 2007»
15 years 8 days ago
A persistent union-find data structure
The problem of disjoint sets, also known as union-find, consists in maintaining a partition of a finite set within a data structure. This structure provides two operations: a fu...
Sylvain Conchon, Jean-Christophe Filliâtre
PVLDB
2010
143views more  PVLDB 2010»
14 years 11 months ago
Embellishing Text Search Queries To Protect User Privacy
Users of text search engines are increasingly wary that their activities may disclose confidential information about their business or personal profiles. It would be desirable f...
HweeHwa Pang, Xuhua Ding, Xiaokui Xiao
TSP
2011
142views more  TSP 2011»
14 years 7 months ago
Fractional QCQP With Applications in ML Steering Direction Estimation for Radar Detection
—This paper deals with the problem of estimating the steering direction of a signal, embedded in Gaussian disturbance, under a general quadratic inequality constraint, representi...
Antonio De Maio, Yongwei Huang, Daniel Pére...
TSP
2010
14 years 7 months ago
Covariance estimation in decomposable Gaussian graphical models
Graphical models are a framework for representing and exploiting prior conditional independence structures within distributions using graphs. In the Gaussian case, these models are...
Ami Wiesel, Yonina C. Eldar, Alfred O. Hero
88
Voted
TWC
2010
14 years 7 months ago
Frame detection and timing acquisition for OFDM transmissions with unknown interference
Abstract--Frame detection and timing acquisition are challenging tasks in orthogonal frequency-division multiplexing systems plagued by narrowband interference (NBI). Most existing...
Luca Sanguinetti, Michele Morelli, H. Vincent Poor