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bguberfain
on Aug 12, 2021
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Nearest neighbor indexes for similarity search
Thanks for sharing! I have a question: is there any option for sparse vectors (like tf-idf outputs)?
mumblemumble
on Aug 12, 2021
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nmslib (
https://github.com/nmslib/nmslib
) supports sparse vectors for some of its spaces. It has fewer indexing methods than faiss, though.
https://github.com/nmslib/nmslib/blob/master/manual/spaces.m...
jamesbriggs
on Aug 12, 2021
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Welcome! Unfortunately faiss doesn't support sparse vectors. If you're using sparse vectors I would either not use faiss (there are better options like Elasticsearch) - or convert them into dense for use with faiss
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