Building an open-source online Learn-to-Rank engine

Roman Grebennikov

DeliveryHero SE

15 December, 15:50, «04 Hall. Ashot Yerkat»


Building a CTR-optimized ranker takes ~6 months. Most of the time you will be gluing different ML libraries together, repeating the same mistakes everyone made before.

We got tired of it and made Metarank: an open-source LTR service doing 90% of the most typical ranking tasks with only 10% time.

The talk was accepted to the conference program