Ohad Shamir OER/OCW Courses

Collaborative Filtering with the Trace by Ohad Shamir @VideoLectures

Trace-norm regularization is a widely-used and successful approach for collaborative filtering and matrix completion. However, its theoretical understanding is surprisingly weak,... Watch Video

Efficient Online Learning via Randomized by Ohad Shamir @VideoLectures

Most online algorithms used in machine learning today are based on variants of mirror descent or follow-the-leader. In this paper, we present an online algorithm based on a completely... Watch Video

From Bandits to Experts : On the Value of by Ohad Shamir @VideoLectures

Learning from Experts and Multi-armed Bandits are two of the most common settings studied in online learning. Whereas the first setting assumes that the performance of all k actions... Watch Video

Learning to Classify with Missing and by Ohad Shamir @VideoLectures

After a classifier is trained using a machine learning algorithm and put to use in a real world system, it often faces noise which did not appear in the training data. Particularly... Watch Video

On the Complexity of Bandit and Derivative by Ohad Shamir @VideoLectures

The problem of stochastic convex optimization with bandit feedback (in the learning community) or without knowledge of gradients (in the optimization community) has received much... Watch Video

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