Using DL and GCP to Improve CVR of Coupon Mails / zozotech_gcp_04

The slides in the presentation were used in ZOZO Technologies Inc. Online Event Meetup 2020 . The slides in the presentation discuss about how ZOZO Technologies Inc. uses Big data and Deep Learning methods for Click through Rate prediction and Conversion Rate prediction to improve the revenue generation through coupon mails.

Transcript

1. Using Big Data and Deep Learning for CVR Improvement
 株式会社ZOZOテクノロジーズ
 技術開発本部 ECプラットフォーム部 推薦基盤
 アニルドフ　ジャムカンヂ Copyright © ZOZO Technologies, Inc. 1
2. © ZOZO Technologies, Inc. 2 1. Problem Statement 2. Brief Introduction/Summary of Previous Approaches 3. Present Approach 4. Workflow Structure AGENDA
3. © ZOZO Technologies, Inc. 3 SELF INTRODUCTION • 株式会社ZOZOテクノロジーズ • 技術開発本部 ECプラットフォーム部 推薦基盤 • アニルドフ　ジャムカンヂ (Anirudh Jamkhandi) @anirudhgj 
 • Joined ZOZO Technologies Inc in 2019 as a new graduate. • Currently working as MLエンジニア
4. © ZOZO Technologies, Inc. 4 PROBLEM STATEMENT
5. © ZOZO Technologies, Inc. Buy or Not ! 5 PROBLEM STATEMENT
6. © ZOZO Technologies, Inc. Browsing history ENCODER STATIC USER INTERESTS Buy or not ! Target Shop or item 6 SUMMARY OF PREVIOUS MODELS
7. © ZOZO Technologies, Inc. Browsing history ENCODER STATIC USER INTERESTS Buy or not ! Target Shop or item 7 SUMMARY OF PREVIOUS MODELS Hard to capture User’s Diverse Interests in a static encoder vector
8. © ZOZO Technologies, Inc. Local activation : Only part of Customer’s interests will influence his/her action Target Shop or item Browsing history MOTIVATION 8
9. © ZOZO Technologies, Inc. Local activation : Only part of Customer’s interests will influence his/her action Browsing history Target Shop or item MOTIVATION 9
10. © ZOZO Technologies, Inc. Target Shop or Item MOTIVATION 10 Reference :- [Zhou, Guorui, et al. "Deep interest network for click-through rate prediction." Proceedings of the 24th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining. 2018.]
11. © ZOZO Technologies, Inc. Target Shop or Item MOTIVATION 11 Reference :- [Zhou, Guorui, et al. "Deep interest network for click-through rate prediction." Proceedings of the 24th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining. 2018.]
12. © ZOZO Technologies, Inc. Target Shop or Item MOTIVATION 12 Reference :- [Zhou, Guorui, et al. "Deep interest network for click-through rate prediction." Proceedings of the 24th ACM SIGKDD International Conference on Knowledge Discovery & Data Mining. 2018.]
13. © ZOZO Technologies, Inc. Browsing history ENCODER STATIC USER INTERESTS Buy or not ! Target Shop or item PRESENT MODEL 13 Local activation
14. © ZOZO Technologies, Inc. Browsing history ENCODER Buy or not ! Target Shop or item PRESENT MODEL 14 Local activation LOCAL USER INTERESTS
15. © ZOZO Technologies, Inc. Browsing history ENCODER Buy or not ! Target Shop or item PRESENT MODEL 15 Local activation LOCAL USER INTERESTS Dynamic Interest Model
16. © ZOZO Technologies, Inc. Browsing history ENCODER Buy or not ! Target Shop or item PRESENT MODEL 16 Local activation DYNAMIC LOCAL USER INTERESTS Dynamic Interest Model
17. © ZOZO Technologies, Inc. Buy probability! [Zhou, Guorui, et al. Deep interest evolution network for click-through rate prediction. AAAI 2019] 17 DYNAMIC INTEREST MODEL LOCAL ACTIVATION MODEL PRESENT MODEL
18. © ZOZO Technologies, Inc. 18 WORKFLOW STRUCTURE Browsing History logs
19. © ZOZO Technologies, Inc. 19 WORKFLOW STRUCTURE Browsing History logs BigQuery Cloud Storage
20. © ZOZO Technologies, Inc. 20 WORKFLOW STRUCTURE Browsing History logs Cloud Storage AI Platform BigQuery
21. © ZOZO Technologies, Inc. 21 1.Model Train 2.Model Test WORKFLOW STRUCTURE Browsing History logs Cloud Storage AI Platform BigQuery
22. © ZOZO Technologies, Inc. 22 1.Model Train 2.Model Test 1.Store Model Cache 2.Store Predictions WORKFLOW STRUCTURE Browsing History logs Cloud Storage AI Platform Cloud Storage BigQuery BigQuery
23. © ZOZO Technologies, Inc. 23 1.Model Train 2.Model Test CI/CD WORKFLOW STRUCTURE Cloud Storage AI Platform 1.Store Model Cache 2.Store Predictions Github Actions Browsing History logs BigQuery Cloud Storage BigQuery
24. © ZOZO Technologies, Inc. 24 1.Model Train 2.Model Test CI/CD WORKFLOW STRUCTURE Cloud Storage AI Platform Github Actions Browsing History logs Workflow Management BigQuery 1.Store Model Cache 2.Store Predictions Cloud Storage BigQuery
25. © ZOZO Technologies, Inc. THANK YOU! 25