I search HN a lot, so am excited by this native implementation. I would be curious to know more about how the "relevance" sorting algorithm works though. When I

I search HN a lot, so am excited by this native implementation. I would be curious to know more about how the "relevance" sorting algorithm works though. When I did a test search for "domain registrar," for example, the top result was a comment with a score of -4. It seems like there are many ways to implement that feature, so would would be quite interested to hear more if the creators were able to share some thoughts on the general "relevance" problem.