covidex icon indicating copy to clipboard operation
covidex copied to clipboard

Published 20 hours ago • verified publisher icon castorini

Changes bm25 k1 and b parameter

Open thiagolaitz opened this issue 2 years ago • 1 comments

Reading Pyserini documentation I realized that maybe these values ​​are swapped. @lintool could you have a look? Thanks!

thiagolaitz avatar Mar 24 '22 11:03 thiagolaitz

@lintool, we found that this bug decreases the effectiveness by 2-3 nDCG points on Robust04. It probably impacts covidex's effectiveness, too.

rodrigonogueira4 avatar Apr 10 '22 11:04 rodrigonogueira4