Productization Challenges of Contextual Multi-Armed Bandits

no code implementations • 10 Jul 2019 • David Abensur, Ivan Balashov, Shaked Bar, Ronny Lempel, Nurit Moscovici, Ilan Orlov, Danny Rosenstein, Ido Tamir

Contextual Multi-Armed Bandits is a well-known and accepted online optimization algorithm, that is used in many Web experiences to tailor content or presentation to users' traffic.

Multi-Armed Bandits

Search-Based Serving Architecture of Embeddings-Based Recommendations

no code implementations • 7 Jul 2019 • Sonya Liberman, Shaked Bar, Raphael Vannerom, Danny Rosenstein, Ronny Lempel

Over the past 10 years, many recommendation techniques have been based on embedding users and items in latent vector spaces, where the inner product of a (user, item) pair of vectors represents the predicted affinity of the user to the item.

Recommendation Systems