It's not anywhere near as simple as "replace heuristic with model". This paper is a good one to disabuse yourself of that notion: https://research.google.com/

It's not anywhere near as simple as "replace heuristic with model". This paper is a good one to disabuse yourself of that notion: https://research.google.com/pubs/pub43146.html https://research.google.com/pubs/pub43146.html This is from the team at Google with the longest experience deploying machine learning (early 2000's, pre-deep learning). (Contrary to popular belief, machine learning was basically unused in Google's search ranking until pretty recently.)