Research Article

Multiview Ensemble Method for Detecting Shilling Attacks in Collaborative Recommender Systems

Table 7

Information gain of the proposed features.

Feature Random attack Average attack AoP attack Shifting attack Power item attack Power user attack Love/hate attack Reverse bandwagon attack
Info GainRankInfo GainRankInfo GainRankInfo GainRankInfo GainRankInfo GainRankInfo GainRankInfo GainRank

IE_URTPV0.1570.1670.1570.1660.1850.1480.16110.158
CCE_URTPV0.2130.2330.1950.2430.1930.2130.2260.233
R_URTPV0.11110.10100.09100.08140.11110.09120.11140.1210
M_URTPV0.1760.1850.1860.1670.1480.1660.1880.177
V_URTPV0.09130.08130.09110.09120.10120.09110.11130.1111
WDDMA0.2820.2820.2520.2820.1670.2320.3120.282
RDDMA0.3110.3110.3210.3210.3410.3110.3210.291
IE_URTPVP0.1850.1860.2130.1840.2320.2140.18100.176
M_URTPVP0.1940.2040.1940.1850.1660.2050.1870.195
V_URTPVP0.1390.1190.1490.10100.1840.1670.11150.1013
M_URP0.08140.08140.05150.08130.09130.03170.2830.0914
V_URP0.04150.03160.06140.04170.09140.09130.2640.0415
IE_URTPVN0.1380.1480.1580.1580.11100.1490.15120.224
M_URTPVN0.03160.03170.02170.09110.02170.07140.08170.0316
V_URTPVN0.03170.04150.03160.04160.03160.06160.09160.0217
M_URN0.09120.08120.07130.06150.04150.07150.2450.1112
V_URN0.11100.09110.08120.1490.1490.11100.1890.139