Aug 31, 2024 · Artificial Intelligence

Preference‑Oriented Diversity Model Based on Mutual Information for E‑commerce Search Re‑ranking (SIGIR 2024)

This paper, accepted at SIGIR 2024, introduces PODM‑MI, a preference‑oriented diversity re‑ranking model for e‑commerce search that jointly optimizes accuracy and diversity by modeling user intent with multivariate Gaussian distributions and maximizing mutual information between user preferences and candidate items.

E-commerce SearchUser Preference ModelingVariational Inference

0 likes · 11 min read

Preference‑Oriented Diversity Model Based on Mutual Information for E‑commerce Search Re‑ranking (SIGIR 2024)

Alibaba Terminal Technology

Feb 5, 2021 · Frontend Development

How Intelligent UI Boosted Alibaba’s Holiday Sales by 10%+ Through User Preference Modeling

This article explains how Alibaba’s CBU team tackled decision overload by building an intelligent UI that uses user‑behavior and product‑preference models, replaces algorithmic cold‑start, reduces reliance on traffic, and delivers over 10% PVctr growth across multiple holiday campaigns through systematic tagging, low‑code material development, and rigorous A/B experimentation.

A/B testingAlgorithmic RecommendationUser Preference Modeling

0 likes · 20 min read

How Intelligent UI Boosted Alibaba’s Holiday Sales by 10%+ Through User Preference Modeling