Large-scale Machine Learning and Stochastic Algorithms
published: Dec. 20, 2008, recorded: December 2008, views: 813
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The presentation stresses important differences between machine learning and conventional optimisation approaches and proposes some solutions. The first part discusses the the interaction of two kind of asympotic properties: those of the statistics and those of optimization algorithm. Unlikely optimization algorithm such as stochastic gradient show amazing performance for large-scale machine learning problems. The second part shows how the deeper causes of this performance suggests the theoretical possibility learn large-scale problems with a single pass over the data. Practical algorithms will be discussed: various second order stochastic gradients, averaging methods, dual methods with data reprocessing...
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