The interviewer is from a spam group, so all the questions are related to how to detect spam.
Mainly, basic machine learning concepts were covered, including:
Finally, there was a coding question about finding the minimal cost from the top-left corner to the bottom-right corner of an n by n matrix.
The follow-up question asked to find out the path, not just the cost.
Why Yelp? How to detect spam? Features you can come up with? Build a model using these features? Loss function?
The following metrics were computed from 1 interview experience for the Yelp Search and Data Mining Engineer role in Providence, Rhode Island.
Yelp's interview process for their Search and Data Mining Engineer roles in Providence, Rhode Island is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Yelp's Search and Data Mining Engineer interview process in Providence, Rhode Island.