Here is a good write up that breaks it down http://opensourceconnections.com/blog/2015/10/16/bm25-the-next-generation-of-lucene-relevation/
Given the recent threads about exploring BM25, i thought this was a good introduction to the difference between the two. Cheers. --tomasz _______________________________________________ discovery mailing list [email protected] https://lists.wikimedia.org/mailman/listinfo/discovery
