Amazon Personalize Cheat Sheet

• A fully managed machine learning service for building recommendation systems.
• Amazon Personalize allows you to train, build, and deploy recommendation models without an extensive machine learning experience.
• Offers batch and real-time recommendations.

Common Use Cases:

• Personalized product and content recommendations.
• Product rankings.
• Improves marketing communication through individualized push notifications and emails.

• Adjust recommendations in real-time as user behavior changes.
• Suggest complementary products based on purchase patterns.
• Improve search relevance for each user.
• Recommend items or content that increase user engagement and reduce churn.

Concepts

• Amazon Personalize can provide recommendations based on real-time data, historical data, or a mix of both.
• Event trackers
  • Records user interactions in real-time.
• Recipe
  • Refers to the algorithm to be used in training a solution for a given use case.
  • Available Recipes
    • USER_PERSONALIZATION – optimized for personalized recommendation systems
    • PERSONALIZED_RANKING – a hierarchical recurrent neural network (HRNN) for providing a list of best recommendations (e.g., ranking search results)
    • RELATED_ITEMS – predicts item similar to a given item

• Datasets: Include Users, Items, and Interactions datasets. Essential for model training.

• Solution: A trained model ready for recommendations.

• Campaign: Deployed solution for real-time or batch inference.

• Schema: Defines the structure of the dataset (attributes and types).

Amazon Personalize Pricing

• Pay only for what you use.
• You are billed for data ingestion, training, and inference (recommendation)
• Cost depends on dataset import, model training, campaign deployment, and real-time inference.
• No upfront costs; pay as you go.
• Consider data retention and storage costs for long-term personalization solutions.

Note: If you are studying for the AWS Certified Machine Learning Specialty exam, we highly recommend that you take our AWS Certified Machine Learning – Specialty Practice Exams and read our Machine Learning Specialty exam study guide.

Amazon Personalize Cheat Sheet References:

https://aws.amazon.com/personalize
https://aws.amazon.com/blogs/machine-learning/using-a-b-testing-to-measure-the-efficacy-of-recommendations-generated-by-amazon-personalize/
https://aws.amazon.com/blogs/machine-learning/amazon-personalize-can-now-create-up-to-50-better-recommendations-for-fast-changing-catalogs-of-new-products-and-fresh-content/