Xueersi Online School Tech Team
Jan 8, 2021 · Artificial Intelligence
Design and Implementation of a Rule‑Based and Collaborative‑Filtering Recommendation System for an Educational App
This article describes the business background, cold‑start challenges, rule‑based recall pipeline, Wilson interval and time‑decay scoring methods, item‑based collaborative filtering implementation with code, and experimental results that improved click‑through rates for the 学而思网校 educational application.
A/B-testWilson-intervalcold start
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