Topic

bm25

2 videos. Ordered by the type of source, then by how recent the video is.

1. 15 min

   Nov 2025 Teaching or conference talk

   A no nonsense intro to BM25

   Abhishek Thakur

   Introduces BM25, a ranking algorithm in information retrieval, including term frequency and document length.

2. 18 min

   Sept 2023 Teaching or conference talk

   BM25 : The Most Important Text Metric in Data Science

   ritvikmath

   Looks at weaknesses of TF-IDF and explains BM25 as a remedy, pitched at a data-focused audience.

   Older: check current guidance