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» Improvements to Turing's method
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ICA
2007
Springer
15 years 8 months ago
Two Improved Sparse Decomposition Methods for Blind Source Separation
In underdetermined blind source separation problems, it is common practice to exploit the underlying sparsity of the sources for demixing. In this work, we propose two sparse decom...
B. Vikrham Gowreesunker, Ahmed H. Tewfik
CORR
2008
Springer
158views Education» more  CORR 2008»
15 years 2 months ago
Improved Smoothed Analysis of the k-Means Method
The k-means method is a widely used clustering algorithm. One of its distinguished features is its speed in practice. Its worst-case running-time, however, is exponential, leaving...
Bodo Manthey, Heiko Röglin
EDBT
2008
ACM
86views Database» more  EDBT 2008»
16 years 2 months ago
Exact and inexact methods for selecting views and indexes for OLAP performance improvement
Zohreh Asgharzadeh Talebi, Rada Chirkova, Yahya Fa...
AAAI
1994
15 years 3 months ago
Improving Repair-Based Constraint Satisfaction Methods by Value Propagation
A constraint satisfaction problem (CSP) is a problem to find an assignment that satisfies given constraints. An interesting approach to CSP is a repair-based method that first gen...
Nobuhiro Yugami, Yuiko Ohta, Hirotaka Hara