heterogeneous feed

DataFunTalk

Jul 9, 2020 · Artificial Intelligence

Cross‑Domain Recommendation and Heterogeneous Mixed‑Feed Ranking Practices in 58 Community

This article presents a comprehensive overview of 58 Community's recommendation ecosystem, detailing its business background, cross‑domain recommendation concepts, three key challenges, practical solutions such as cross‑domain collaborative filtering with factorization machines, attribute‑mapping and multi‑view DSSM approaches, as well as the engineering of heterogeneous mixed‑feed ranking using scoring alignment, MMR and DPP diversity algorithms, and reports significant online performance gains.