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 Gain | Rank | Info Gain | Rank | Info Gain | Rank | Info Gain | Rank | Info Gain | Rank | Info Gain | Rank | Info Gain | Rank | Info Gain | Rank |
| IE_URTPV | 0.15 | 7 | 0.16 | 7 | 0.15 | 7 | 0.16 | 6 | 0.18 | 5 | 0.14 | 8 | 0.16 | 11 | 0.15 | 8 | CCE_URTPV | 0.21 | 3 | 0.23 | 3 | 0.19 | 5 | 0.24 | 3 | 0.19 | 3 | 0.21 | 3 | 0.22 | 6 | 0.23 | 3 | R_URTPV | 0.11 | 11 | 0.10 | 10 | 0.09 | 10 | 0.08 | 14 | 0.11 | 11 | 0.09 | 12 | 0.11 | 14 | 0.12 | 10 | M_URTPV | 0.17 | 6 | 0.18 | 5 | 0.18 | 6 | 0.16 | 7 | 0.14 | 8 | 0.16 | 6 | 0.18 | 8 | 0.17 | 7 | V_URTPV | 0.09 | 13 | 0.08 | 13 | 0.09 | 11 | 0.09 | 12 | 0.10 | 12 | 0.09 | 11 | 0.11 | 13 | 0.11 | 11 | WDDMA | 0.28 | 2 | 0.28 | 2 | 0.25 | 2 | 0.28 | 2 | 0.16 | 7 | 0.23 | 2 | 0.31 | 2 | 0.28 | 2 | RDDMA | 0.31 | 1 | 0.31 | 1 | 0.32 | 1 | 0.32 | 1 | 0.34 | 1 | 0.31 | 1 | 0.32 | 1 | 0.29 | 1 | IE_URTPVP | 0.18 | 5 | 0.18 | 6 | 0.21 | 3 | 0.18 | 4 | 0.23 | 2 | 0.21 | 4 | 0.18 | 10 | 0.17 | 6 | M_URTPVP | 0.19 | 4 | 0.20 | 4 | 0.19 | 4 | 0.18 | 5 | 0.16 | 6 | 0.20 | 5 | 0.18 | 7 | 0.19 | 5 | V_URTPVP | 0.13 | 9 | 0.11 | 9 | 0.14 | 9 | 0.10 | 10 | 0.18 | 4 | 0.16 | 7 | 0.11 | 15 | 0.10 | 13 | M_URP | 0.08 | 14 | 0.08 | 14 | 0.05 | 15 | 0.08 | 13 | 0.09 | 13 | 0.03 | 17 | 0.28 | 3 | 0.09 | 14 | V_URP | 0.04 | 15 | 0.03 | 16 | 0.06 | 14 | 0.04 | 17 | 0.09 | 14 | 0.09 | 13 | 0.26 | 4 | 0.04 | 15 | IE_URTPVN | 0.13 | 8 | 0.14 | 8 | 0.15 | 8 | 0.15 | 8 | 0.11 | 10 | 0.14 | 9 | 0.15 | 12 | 0.22 | 4 | M_URTPVN | 0.03 | 16 | 0.03 | 17 | 0.02 | 17 | 0.09 | 11 | 0.02 | 17 | 0.07 | 14 | 0.08 | 17 | 0.03 | 16 | V_URTPVN | 0.03 | 17 | 0.04 | 15 | 0.03 | 16 | 0.04 | 16 | 0.03 | 16 | 0.06 | 16 | 0.09 | 16 | 0.02 | 17 | M_URN | 0.09 | 12 | 0.08 | 12 | 0.07 | 13 | 0.06 | 15 | 0.04 | 15 | 0.07 | 15 | 0.24 | 5 | 0.11 | 12 | V_URN | 0.11 | 10 | 0.09 | 11 | 0.08 | 12 | 0.14 | 9 | 0.14 | 9 | 0.11 | 10 | 0.18 | 9 | 0.13 | 9 |
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