Research Article

Information Retrieval and Graph Analysis Approaches for Book Recommendation

Table 2

Experimental results. The runs are ranked according to nDCG@10. () denotes significance according to Wilcoxon test [8]. In all cases, all of our tests produced two-sided value, .

2014 topic set
Run nDCG@10 Recip Rank MAP P@10

InL20.1280.2360.1010.067
InL2_SDM 0.136 () 0.249 () 0.1052 () 0.070 ()
InL2_DGD_PR 0.122 () 0.239 () 0.090 () 0.0695 ()
InL2_DGD_MnRtg 0.105 () 0.192 () 0.081 () 0.057 ()

2015 topic set
Run nDCG@10 Recip Rank MAP P@10

InL20.0630.1470.0460.044
InL2_SDM 0.069 () 0.166 () 0.051 () 0.050 ()
InL2_DGD_PR 0.068 () 0.157 () 0.048 () 0.052 ()
InL2_DGD_MnRtg 0.066 () 0.148 () 0.042 () 0.052 ()