Table 11 Effectiveness of different retrieval methods, including using ranked only and hybrid ranked and Boolean, on the Misc dataset. Lucene results are over 12 queries.
From: Boolean versus ranked querying for biomedical systematic reviews
Method | Level | RBP99 | P@1,000 | R@1,000 | P@10,000 | R@10,000 |
|---|---|---|---|---|---|---|
Boolean | Tier 1 | 0.065 | 0.070 | 0.151 | 0.010 | 0.250 |
(Orig) | Tier 2 | 0.032 | 0.027 | 0.262 | 0.003 | 0.350 |
Boolean | Tier 1 | 0.015 | 0.060 | 0.200 | 0.011 | 0.500 |
(Simp) | Tier 2 | 0.005 | 0.020 | 0.310 | 0.004 | 0.560 |
Ranked | Tier 1 | 0.060 | 0.072 | 0.185 | 0.023 | 0.516 |
(TRC) | Tier 2 | 0.036 | 0.030 | 0.306 | 0.007 | 0.645 |
Boolean | Tier 1 | 0.070 | 0.040 | 0.116 | 0.030 | 0.319 |
(Lucene) | Tier 2 | 0.029 | 0.015 | 0.150 | 0.007 | 0.404 |
Combined | Tier 1 | 0.055 | 0.065 | 0.200 | 0.028 | 0.485 |
| Â | Tier 2 | 0.020 | 0.026 | 0.300 | 0.006 | 0.553 |