1647 search results - page 246 / 330 » Improved Randomized Approximation Algorithms for Lot-Sizing ... |
COCOA
2009
Springer
14 years 27 days ago
2009
Springer
Online social network has developed significantly in recent years as a medium of communicating, sharing and disseminating information and spreading influence. Most of current resea...
WCE
2007
13 years 10 months ago
2007
— This paper proposes an age artificial immune system (AAIS), for optimal order pickings in an Automated Storage and Retrieval System (AS/RS) with multiple input/ output stations...
STOC
2004
ACM
14 years 9 months ago
2004
ACM
We give a O( log n)-approximation algorithm for sparsest cut, edge expansion, balanced separator, and graph conductance problems. This improves the O(log n)-approximation of Leig...
IDA
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. We present a Bayesian treatment of non-negative matrix factorization (NMF), based on a normal likelihood and exponential priors, and derive an efficient Gibbs sampler to ...
APPROX
2007
Springer
14 years 3 months ago
2007
Springer
abstract Manor Mendel1 and Assaf Naor2 1 The Open University of Israel 2 Courant Institute Let (X, dX ) be an n-point metric space. We show that there exists a distribution D over ...