wellcometrust / covid19

Covid QA system for kaggle challenge
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BM25 instead of TFIDF #8

Open nsorros opened 4 years ago

nsorros commented 4 years ago

Most notebooks in the challenge and papers that deal with similar problems seem to use bm25 instead of tfidf. I think the two approaches are very similar, I have not studied the differences yet but even before doing so I think we should probably implement bm25 as an alternative to tfidf.

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