Roman Grebennikov

Principal Engineer at Delivery Hero SE, working on search personalization and recommendations. A pragmatic fan of functional programming, learn-to-rank models and performance engineering.


Company/Organisation

Delivery Hero


Session

06-20
16:00
40min
Learning to hybrid search
Roman Grebennikov, Vsevolod Goloviznin

Combining BM25, neural embeddings and customer behavior with Learning-to-Rank into an ultimate ranking ensemble, with examples on Amazon ESCI e-commerce search dataset.

Palais Atelier