Personalization and Recommendation Systems at Vente Privée by Betty Moreschini
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An overview of the work regarding personalization and recommendations at Vente Privée. Betty Moreschini will detail the mechanism behind the catalog customization when you enter a specific sale.
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Personalization and Recommendation Systems at Vente Privée by Betty Moreschini
- 1. Personalization and Recommendation Systems at vente-privee Betty Moreschini Software Engineer @bettymoreschini @vpTech #VPTech @WiMLDS_Paris #WiMLDS CFM - 28th June 2018
- 2. |- Vente-privee 28/06/2018 Recommendation Systems at vente-privee2 Destocking from other brands • 54 000 flash sales in 2017 (~150 per day) • 7 000 brands Present in 14 countries • 72M users (21M in France) • 2M unique visitors / day
- 3. |- VP Tech 28/06/2018 Recommendation Systems at vente-privee3 500+ persons in IT department ↗273 in 2017 Diversity of technologies • C# • GoLang • JavaScript • Android • iOS • Haskell • Ruby on Rails • Python • Kafka • Elasticsearch • RabbitMQ • Node.js • AWS • Kubernetes • … We are hiring!
- 4. |- Data Science at vente-privee Intermediate purchase order Automated articles classification from pictures Customization • Home Page • Order Confirmation email • Similar articles 28/06/2018 Recommendation Systems at vente-privee4
- 5. |- 28/06/2018 Recommendation Systems at vente-privee5 Zoom on Customization
- 6. |- 28/06/2018 Recommendation Systems at Vente Privée6 ← One day carrousel ← B2B ordering rule
- 7. |- Home Page Customization: Obstacles 28/06/2018 Recommendation Systems at vente-privee7 Business • Conflicts between business and technology: B2B rules in Home Page ordering Technical • Incomplete or incorrect classifications
- 8. |- Home Page Customization: Impacts 28/06/2018 Recommendation Systems at vente-privee8 AB Test: 1 month, 6M users Personnalisation with B2B rules • Entry rate: +1.5% • Conversion rate: +1.4% Personnalisation without B2B rules • Entry rate: +3.9% • Conversion rate: +2.3%
- 9. |- 28/06/2018 Recommendation Systems at vente-privee9 Product Customization: Catalog Customization
- 10. |- Catalog Customization: Architecture 28/06/2018 Recommendation Systems at vente-privee10 Tracking Recommendation Aggregator Member Aggregator Product Aggregator Popularity Aggregator Predict Current Operations : Cassandra
- 11. |- Catalog Customization: Architecture 28/06/2018 Recommendation Systems at vente-privee10 Tracking : Cassandra
- 12. |- Catalog Customization: Architecture 28/06/2018 Recommendation Systems at vente-privee10 Product Aggregator User interaction with article : Cassandra
- 13. |- Product Aggregator 28/06/2018 Recommendation Systems at vente-privee11 User interacts with article Member Product Score Member1 Product1 32 Member1 Product2 2 Member1 Product3 12 Member2 Product8 8 Member1 Product1 33 +1
- 14. |- Catalog Customization: Architecture 28/06/2018 Recommendation Systems at vente-privee12 Member Aggregator User interaction with article : Cassandra
- 15. |- Member Aggregator 28/06/2018 Recommendation Systems at vente-privee13 User interacts with article Member Adult Woman Adult Man Kid Girl Kid Boy Member1 41 Member2 Member3 Member1 Product1 42 +1
- 16. |- Catalog Customization: Architecture 28/06/2018 Recommendation Systems at vente-privee14 Popularity Aggregator User interaction with article : Cassandra
- 17. |- Popularity Aggregator 28/06/2018 Recommendation Systems at vente-privee15 User interacts with article Product Popularity Product1 353 Product2 56 Product3 280 Product1 354 +1
- 18. |- Catalog Customization: Architecture 28/06/2018 Recommendation Systems at vente-privee16 Predict Every 20mn : Cassandra
- 19. |- Predict Algorithm: Collaborative Filtering 28/06/2018 Recommendation Systems at vente-privee17 Product1 Product2 Product3 Product4 Member1 52 32 - - Member2 - 45 - 3 Member3 1 - 66 - Member4 104 - - 85 Product1 Product2 Product3 Product4 Member1 52 32 33 2 Member2 20 45 12 3 Member3 1 52 66 23 Member4 104 2 3 85
- 20. |- Catalog Customization: Architecture 28/06/2018 Recommendation Systems at vente-privee18 Current Operations Every 15mn : Cassandra
- 21. |- Catalog Customization: Architecture 28/06/2018 Recommendation Systems at vente-privee18 User signs in Recommendation Aggregator Recommendation Aggregator Every 15mn : Cassandra
- 22. |- Recommendation Aggregator 28/06/2018 Recommendation Systems at vente-privee19 Final Score Popularity Demography Affinity Score Diversification Final Ranking
- 23. |- Catalog Customization: Architecture 28/06/2018 Recommendation Systems at vente-privee20 Recommendation Aggregator Final DB : Cassandra
- 24. |- 28/06/2018 Recommendation Systems at vente-privee21 What’s Next?
- 25. |- Product Customization: Similar Products 28/06/2018 Recommendation Systems at vente-privee22 ???
- 26. |- Product Customization: Similar Products 28/06/2018 Recommendation Systems at vente-privee23
- 27. |- What’s Next? 28/06/2018 Recommendation Systems at vente-privee24 Order Confirmation e-mail Travel Customization • Is this customer about to travel? • Which destinations?