Are we maximizing click-through rate (CTR) or user retention? Scale: How many queries per second (QPS)? How many users?
Static (offline) vs. Dynamic (online) prediction. Are we maximizing click-through rate (CTR) or user retention
Cracking the Code: The Ultimate Guide to Machine Learning System Design Interviews Are we maximizing click-through rate (CTR) or user retention
Are we predicting a probability, a rank, or a continuous value? 3. Data Preparation and Feature Engineering This is where 80% of ML work happens. Are we maximizing click-through rate (CTR) or user retention
Before drawing a single box, you must define what "success" looks like.