My playlist on 5 great talks on information retrieval from Christopher Potts (Stanford University)
Click to open Iinformation Retrieval from Christopher Potts (Stanford University). An excellent review on all IR fundamentals (definitions, metrics), including rankings like TF-IDF or BM25 with detailed graphical explanations. And Transformer models like sentence transformers, ColBERT, SPLADE, and their relative performance/cost to BM25 !