It is hard to find modern references on this. When I led a search group, coming from an ML but non search background, I found the following most useful 1. Quer

It is hard to find modern references on this. When I led a search group, coming from an ML but non search background, I found the following most useful 1. Query understanding series: https://queryunderstanding.com/query-understanding-8a2b16024c5b https://queryunderstanding.com/query-understanding-8a2b16024... 2. Deep learning for search in manning. It covers some non DL techniques Then it is mostly papers and talking to people. Berlin buzzword has videos of all talks and is very non academic but technical.