Overview
Who this competition fits
Builders comfortable with Chinese algorithm-competition pages hosted by iFlytek.
Read the original official blurb
在流媒体和电商平台中，用户兴趣随时间动态演变。研究发现，用户对内容的偏好每90天发生显著变化（平均偏好漂移率23%），但传统协同过滤算法忽视时间效应，导致静态模型预测准确率下降15%以上。本赛题要求构建时间感知的推荐模型，精准捕捉用户兴趣漂移规律，预测未来评分行为，为动态推荐系统提供核心算法支持。 Official track: 数据挖掘. Sponsor: 科大讯飞xDatawhale. Teams entered: 89.
Preparation
From registration to a first submission
- 01
Can read Chinese competition pages
- 02
Comfortable submitting a baseline
Before you commit: Task details, eligibility, and scoring rules live mainly on the official iFlytek page and change each season.
Source
How this page was assembled
Competition information is structured from the official page. Scores are platform estimates for decision support; official rules take precedence.
- Official competition page
- iFlytek Challenge
- Last checked
- Jul 25, 2025