Luyipai Asset & User Matching System

Jul 30, 2018 ยท 1 min read

Project Background:

  • Developed a precise asset-to-investor matching system for Luyipai, a special asset trading platform under Ping An.
  • Objectives: Improve user satisfaction, asset transaction conversion, and personalized recommendation.

Data Collection & Processing:

  • Asset data: Property, mortgage, and financial assets; processed for static and dynamic features.
  • User data: Behavioral logs, registration info, and preference settings.
  • Data cleaning and tagging for both users and assets.

Modeling & Optimization:

  • User profiling: Long-term and short-term profile construction.
  • Multi-channel asset recall:
    • Single-dimension label-based retrieval.
    • Similar assets retrieval.
    • Collaborative user-based recall.
  • Ranking: Linear weighting model, tag relevance score.
  • Workflow engineering: Redis for short-term profiles, MySQL/Redis for long-term, Elasticsearch for asset storage.

Project Workflow:

  1. Construct asset and user profiles with feature scoring.
  2. Multi-channel asset recall and top-K selection.
  3. Merge and re-rank recalled assets.
  4. Provide recommendations and generate detailed asset analysis reports.

Project Outcome:

  • Built a complete matching system from scratch, significantly improving asset exposure and transaction success rates.
  • Detailed reports facilitated user decision-making and increased revenue.