How Does the Recommendation System Work on Tmall?

Types of Homepages

Figure 1. Tmall Homepage Types.

The Recommendation System Framework

Figure 2. The Framework of the Recommendation System for Tmall Homepages.

The Recall Module

Ranki2i

Graph Embedding

Figure 3. Graph Embedding.

MIND

Figure 4. The MIND Model.

Retargeting

Crowd-Based Filtering

Convergence and Modulation

Sorting Module

Sorting Features

  • User profile features: indicate users’ basic features, such as the gender, age, city, and purchasing power.
  • Item features: indicate product features, such as the product ID, category ID, store ID, and tag.
  • Context features: indicate contextual features, such as the matching type, location, and page number.
  • Cross features: indicate crossing features, such as the intersection of the user and product features.
  • Sequence item features: indicate users’ behavioral features for products, such as the list of clicked products, list of clicked categories, and positional biases.

Sorting Samples

Sorting Models

Classic Deep Sorting Model

Behavior Sequence Transformer (BST) Model

Figure 5. The Behavior Sequence Transformer (BST) Model.

Mechanism Module

Visualized Experience Optimization

Standard Category Expansion Based on the Knowledge Graph

Figure 6. Standard category system.

Similar Image Detection System Based on Image Fingerprints

Figure 7. Similar-Image Detection System.

Multidimensional Discretization

Template-Based Exposure Filtering in Real Time

Personalized User Purchase Category Filtering

Conclusion

Original Source

--

--

--

Follow me to keep abreast with the latest technology news, industry insights, and developer trends. Alibaba Cloud website:https://www.alibabacloud.com

Love podcasts or audiobooks? Learn on the go with our new app.

Recommended from Medium

Triggering Events with Facial Recognition

Neural Networks: Alice and the daterpillar

Two minutes NLP — Most used Decoding Methods for Language Models

A Look into Machine Learning for Technical Analysis

Unlocking Drug Discovery through Machine Learning

A Practical Introduction to Grid Search, Random Search, and Bayes Search

A.I. and Racehorses: Can you teach a computer to understand what a ‘good cardio’ looks like in…

Review: PR-116-Glow: Generative Flow with Invertible 1x1 Convolutions

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
Alibaba Cloud

Alibaba Cloud

Follow me to keep abreast with the latest technology news, industry insights, and developer trends. Alibaba Cloud website:https://www.alibabacloud.com

More from Medium

SeaTunnel Application and Refactoring at Kidswant

Deploying ML models using Bodywork

Bodywork ML logo

Apache ShardingSphere Enterprise Applications — Bilibili

Distributed Systems (Part -2)