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    WWW
    2011
    ACM
    257views Internet Technology» more  WWW 2011»
    Estimating sizes of social networks via biased sampling
    13 years 5 months ago
    Estimating sizes of social networks via biased sampling
    Download  www.cs.yale.edu
    Online social networks have become very popular in recent years and their number of users is already measured in many hundreds of millions. For various commercial and sociological...
    Liran Katzir, Edo Liberty, Oren Somekh
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    JCAL
    2010
    101views more  JCAL 2010»
    How East Asian classrooms may change over the next 20 years
    13 years 5 months ago
    How East Asian classrooms may change over the next 20 years
    Download  chan.lst.ncu.edu.tw
    Our schools have been experiencing three overlapping waves of technology adoption since the mid-1980s: the personal computer lab wave, the online learning wave, and the digital cl...
    Tak-Wai Chan
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    SIAMIS
    2010
    141views more  SIAMIS 2010»
    Optimization by Stochastic Continuation
    13 years 5 months ago
    Optimization by Stochastic Continuation
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    Simulated annealing (SA) and deterministic continuation are well-known generic approaches to global optimization. Deterministic continuation is computationally attractive but produ...
    Marc C. Robini, Isabelle E. Magnin
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    SIAMMAX
    2010
    224views more  SIAMMAX 2010»
    Robust Approximate Cholesky Factorization of Rank-Structured Symmetric Positive Definite Matrices
    13 years 5 months ago
    Robust Approximate Cholesky Factorization of Rank-Structured Symmetric Positive Definite Matrices
    Download  www.math.purdue.edu
    Abstract. Given a symmetric positive definite matrix A, we compute a structured approximate Cholesky factorization A RT R up to any desired accuracy, where R is an upper triangula...
    Jianlin Xia, Ming Gu
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    SIAMSC
    2010
    104views more  SIAMSC 2010»
    BDDC Preconditioners for Spectral Element Discretizations of Almost Incompressible Elasticity in Three Dimensions
    13 years 5 months ago
    BDDC Preconditioners for Spectral Element Discretizations of Almost Incompressible Elasticity in Three Dimensions
    Download  cs.nyu.edu
    Abstract. BDDC algorithms are constructed and analyzed for the system of almost incompressible elasticity discretized with Gauss-Lobatto-Legendre spectral elements in three dimensi...
    Luca F. Pavarino, Olof B. Widlund, Stefano Zampini
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