Table 4 Comparisons of SCSM and BM25, with MAP, RP and P@5, P@20, NDCG@5, and NDCG@20 on WT2G collection
From: Salient context-based semantic matching for information retrieval
Corpus | Methods | MAP | RP | P@5 | P@20 | NDCG@5 | NDCG@20 |
|---|---|---|---|---|---|---|---|
WT2G | BM25 | 0.313 | 0.340 | 0.532 | 0.391 | 0.542 | 0.470 |
| Â | CSSMC | 0.368 | 0.378 | 0.600 | 0.428 | 0.616 | 0.521 |
| Â | Â | + 17.82% | + 11.09% | + 12.78% | + 9.46% | + 13.63% | + 10.88% |
| Â | SCSMlf | 0.370 | 0.383 | 0.592 | 0.435 | 0.611 | 0.526 |
| Â | Â | + 18.27% | + 12.77% | + 11.28% | + 11.25% | + 12.63% | + 11.97% |
| Â | SCSMgf | 0.370 | 0.381 | 0.616 | 0.426 | 0.628 | 0.521 |
| Â | Â | + 18.01% | + 12.03% | + 15.79% | + 8.95% | + 15.88% | + 11.05% |