场景
- 个性化新闻排序
- 广告
- 对话式推荐 (Coversational Recommendation)
User Model
User Big Data -> User Representation
Explicit vs Implict
App - User Model
Query log user modeling
用搜索日志作为用户数据
method: hierarchical lstm
Personality Inference
社交网络信息作为用户数据
App - Recommendation System
Benefits
Learning latent representations
Learning feature interactions