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Table 5 Comparisons of SCSM and BM25, with MAP, RP and P@5, P@20, NDCG@5, and NDCG@20 On Blog06 collections

From: Salient context-based semantic matching for information retrieval

Corpus Methods MAP RP P@5 P@20 NDCG@5 NDCG@20
Blog06 BM25 0.318 0.371 0.634 0.605 0.625 0.611
  CSSMC 0.346 0.403 0.670 0.642 0.659 0.648
   + 8.748% + 8.79% + 5.68% + 6.03% + 5.48% + 6.09%
  SCSMlf 0.349 0.408 0.694 0.657 0.684 0.665
   + 9.75% + 10.17% + 9.46% + 8.51% + 9.58% + 8.88%
  SCSMgf 0.347 0.405 0.682 0.646 0.672 0.654
   + 9.06% +‘9.20% + 7.57% + 6.78% + 7.67% + 7.08%
  1. Boldface numbers indicate statistically significant improvements over BM25 by permutation test