Interesting idea! What are you suggesting to do with relevance? I feel like one MEANS request returns just one best matching result while a user may want to have more. We decided to express it in SQL logic like what you see below but I'm really curious how the MEANS operator could be applied.
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SELECT id
FROM index_name
ORDER BY emb <-> $query_vector
LIMIT k;
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$query_vector may come from anywhere including being transformed on the fly from 'some text'.
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SELECT id
FROM index_name
ORDER BY emb <-> $query_vector
LIMIT k;
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$query_vector may come from anywhere including being transformed on the fly from 'some text'.