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@ -237,9 +237,13 @@ We compare BGE-M3 with some popular methods, including BM25, openAI embedding, e
- NarritiveQA:
![avatar](./imgs/nqa.jpg)
- BM25
- Comparison with BM25
We utilized Pyserini to implement BM25, and the test results can be reproduced by this [script](https://github.com/FlagOpen/FlagEmbedding/tree/master/C_MTEB/MLDR#bm25-baseline).
We tested BM25 using two different tokenizers:
one using Lucene Analyzer and the other using the same tokenizer as M3 (i.e., the tokenizer of xlm-roberta).
The results indicate that BM25 remains a competitive baseline,
especially in long document retrieval.
![avatar](./imgs/bm25.jpg)