Core Techniques

Data

• Unified Data Storage/Caching

Algorithms

• Embedding Everywhere: Video Cold-start, User Cold-start，PYML
• Diversity Algorithm

Systems

• Realtime with 99.99% Reliability
• Simplifying Architecture and Dependencies
• User State Service
• User Content Profiler

Communities

• Improve Retention Rate
• Best New User Experience
• More Social Interactions
• Control Negative Feedback