Introduction

Question 1

Optimized models used to rank candidates such as music articles or products

Answer 1

Ranking

Question 2

Optimized models based on previously observed features and labels

Answer 2

Supervised learning

Question 3

ML that takes in unlabeled examples and produces a pattern from provided data

Answer 3

Unsupervised learning

Question 4

Optimized neural networks often with many hidden layers to perform unsupervised or supervised learning

Answer 4

Deep learning

Question 5

Systems with the goal of presenting an item to a user such that the user will most likely purchase view or like the recommended item

Answer 5

Recommendation systems