Designing a Machine Learning System for Airbnb's Search

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Which component of the Machine Learning system is responsible for interpreting search queries and communicating with the ML model for recommendation?

Backend API (correct)

Database

Machine Learning Model

Frontend

Which step in the training pipeline involves cleaning, feature extraction, and splitting data?

Evaluation

Deployment

Data Preprocessing (correct)

Model Training

What is the purpose of the Cache component in the Machine Learning system for Airbnb's search functionality?

To store frequent queries for faster retrieval (correct)

To provide ranked listings

To store property listings

To collect user behavior metrics

Which type of data is used to train the Machine Learning model for Airbnb's search functionality?

All of the above Signup and view all the answers

What is the purpose of ensemble methods?

To combine multiple models for better performance Signup and view all the answers

Which step in the runtime flow involves interpreting the search query from the frontend?

Query Interpretation Signup and view all the answers

What kind of features are used in the Feature Engineering stage of the Machine Learning system for Airbnb's search functionality?

All of the above Signup and view all the answers

What is the purpose of rate limiting in the system?

To prevent abuse of the API Signup and view all the answers

Which filtering technique leverages user-item interactions to make recommendations in the Machine Learning system for Airbnb's search functionality?

Collaborative Filtering Signup and view all the answers

Which step in the runtime flow filters out listings that don't meet the criteria like availability?

Post-Processing Signup and view all the answers

What type of data is collected by the Analytics Engine in the Machine Learning system for Airbnb's search functionality?

User behavior metrics Signup and view all the answers

Which component of the Machine Learning system stores property listings, user information, and historical booking data?

Database Signup and view all the answers

What is the purpose of horizontal scaling in the system?

To scale the ML model inference and database Signup and view all the answers

What kind of features are used to capture contextual information in the Machine Learning system for Airbnb's search functionality?

Temporal Features Signup and view all the answers

Which step in the training pipeline involves using distributed training if the dataset is large?

Model Training Signup and view all the answers

Which model selection technique is used for sorting the listings effectively in the Machine Learning system for Airbnb's search functionality?

Ranking Algorithms Signup and view all the answers

What is the purpose of batch inference in the system?

To pre-compute recommendations for popular queries Signup and view all the answers

Which step in the runtime flow displays the ranked listings on the frontend?

Result Presentation Signup and view all the answers

What kind of data is used to create embeddings in the Feature Engineering stage of the Machine Learning system for Airbnb's search functionality?

Listing description Signup and view all the answers

What is the purpose of caching in the system?

To store frequently searched queries and results for faster retrieval Signup and view all the answers