Online Boosting in Vowpal Wabbit [GitHub] [paper 1] [paper 2]
command: ./vw [data] --boosting [#weak_learners] --alg [BBM or logistic]
Sketched Online Newton (SON) in Vowpal Wabbit [GitHub] [paper]
command: ./vw [data] --OjaNewton --sketch_size=[size]
Variance-Reduced Stochastic Frank-Wolfe [link] [paper]