Design of Recommendation System Based on Portrait

Image-based recommendation system design (offline + real-time) - Programmer Sought

Image-based recommendation system design (offline + real-time)

• 1. Architecture design

• 2. Content image

  •   Offline article portrait construction

  •   TFIDF calculation

  •   TEXTRANK calculation

  •   Article portrait result calculation

  •   Offline incremental article portrait calculation

  •   Word2Vec and article similarity

• 3. User portrait

  • 3.1 Why should user portrait construction be carried out

  • 3.2 User portrait label establishment

  •        User Behavior Processing

  •        User portrait label weight calculation

  •        User portrait label weight calculation algorithm

  • 3.3 Incremental update of user portraits

• 4. Recall and Sorting

•       4.1 Offline recall

  •         Recall Form Design and Recall Method

  •         recall table design

  •         model recall

  •         Content recall

  • 4.2 Offline ranking model training

  •         Offline Ranking Model - CTR Estimation

  •         CTR Prediction

  •         Feature Service Center

• 5. Real-time computing

  • The role of real-time computing services

  • Real-time log analysis and processing

  • Real-time recall set implementation

  • Popular and new article recall

• 6. Realization of recommended business flow and ABTest