I went to the elastic conf last month, there is a great talk about BM25. It mentions that BM25 is more robust against common words than plain tf*idf. https://w

I went to the elastic conf last month, there is a great talk about BM25. It mentions that BM25 is more robust against common words than plain tf*idf. https://www.elastic.co/elasticon/conf/2016/sf/improved-text-scoring-with-bm25 https://www.elastic.co/elasticon/conf/2016/sf/improved-text-...