Skip to main content

Table 1 Mean Reciprocal Rank for 1,000 queries (focused search evaluation) measured for 13 search methods.

From: Objective and automated protocols for the evaluation of biomedical search engines using No Title Evaluation protocols

Mean Average Rank Mean Reciprocal Rank Search Method Stemmer Twease Slider Position
2.028 0.493 BM25ec Porter 0
2.054 0.487 BM25ec Paice-Husk 0
1.787 0.560 BM25ec None 0
1.750 0.571 BM25ec None 20
1.724 0.580 BM25ec None 40
1.732 0.577 BM25ec None 60
1.732 0.577 BM25ec None 80
1.728 0.579 BM25ec None 100
1.737 0.576 BM25ec None 120
1.752 0.571 BM25ec None 140
1.755 0.570 BM25ec None 160
1.760 0.568 BM25ec None 180
1.767 0.566 BM25ec None 200