Information Retrive

Dataset

1. Simple BM25 (with only TF-IDF)

Metrics	Context	question
R@1	0.82	0.2
R@5	0.91	0.395
R@10	0.93	0.515
R@20	0.935	0.6
R@50	0.955	0.71
R@100	0.98	0.78
R@200	0.985	0.845
R@500	0.985	0.87
R@1000	0.99	0.895

2. BM25 and Pairwise Ranking

Metrics	BM25	BM25+rank
R@1	0.2	0.315
R@5	0.395	0.575
R@10	0.515	0.655
R@20	0.6	0.7
R@50	0.71	0.765
R@100	0.78	0.81
R@200	0.845	0.84
R@500	0.87	0.87
R@1000	0.895	0.885