LSTM | BiLSTM | sLSTM | Avg. | MT-DNN | MT-CNN | FS-MTL | SP-MTL | ASP-MTL | |
Books | 20.5 | 19.0 | 18.0 | 19.2 | 17.8(−1.4) | 15.5(−3.7) | 17.5(−1.7) | 18.8(−0.4) | 16.0(−3.2) |
Electronics | 19.5 | 21.5 | 23.3 | 21.4 | 18.3(−3.1) | 16.8(−4.6) | 14.3(−7.1) | 15.3(−6.1) | 13.2(−8.2) |
DVD | 18.3 | 19.5 | 22.0 | 19.9 | 15.8(−4.1) | 16.0(−3.9) | 16.5(−3.4) | 16.0(−3.9) | 14.5(−5.4) |
Kitchen | 22.0 | 18.8 | 19.5 | 20.1 | 19.3(−0.8) | 16.8(−3.3) | 14.0(−6.1) | 14.8(−5.3) | 13.8(−6.3) |
Apparel | 16.8 | 14.0 | 16.3 | 15.7 | 15.0(−0.7) | 16.3(+0.6) | 15.5(−0.2) | 13.5(−2.2) | 13.0(−2.7) |
Camera | 14.8 | 14.0 | 15.0 | 14.6 | 13.8(−0.8) | 14.0(−0.6) | 13.5(−1.1) | 12.0(−2.6) | 10.8(−3.8) |
Health | 15.5 | 21.3 | 16.5 | 17.8 | 14.3(−3.5) | 12.8(−5.0) | 12.0(−5.8) | 12.8(−5.0) | 11.8(−6.0) |
Music | 23.3 | 22.8 | 23.0 | 23.0 | 15.3(−7.7) | 16.3(−6.7) | 18.8(−4.2) | 17.0(−6.0) | 17.5(−5.5) |
Toys | 16.8 | 15.3 | 16.8 | 16.3 | 12.3(−4.0) | 10.8(−5.5) | 15.5(−0.8) | 14.8(−1.5) | 12.0(−4.3) |
Video | 18.5 | 16.3 | 16.3 | 17.0 | 15.0(−2.0) | 18.5(+1.5) | 16.3(−0.7) | 16.8(−0.2) | 15.5(−1.5) |
Baby | 15.3 | 16.5 | 15.8 | 15.9 | 12.0(−3.9) | 12.3(−3.6) | 12.0(−3.9) | 13.3(−2.6) | 11.8(−4.1) |
Magazines | 10.8 | 8.5 | 12.3 | 10.5 | 10.5(+0.0) | 12.3(+1.8) | 7.5(−3.0) | 8.0(−2.5) | 7.8(−2.7) |
Software | 15.3 | 14.3 | 14.5 | 14.7 | 14.3(−0.4) | 13.5(−1.2) | 13.8(−0.9) | 13.0(−1.7) | 12.8(−1.9) |
Sports | 18.3 | 16.0 | 17.5 | 17.3 | 16.8(−0.5) | 16.0(−1.3) | 14.5(−2.8) | 12.8(−4.5) | 14.3(−3.0) |
IMDB | 18.3 | 15.0 | 18.5 | 17.3 | 16.8(−0.5) | 13.8(−3.5) | 17.5(+0.2) | 15.3(−2.0) | 14.5(−2.8) |
MR | 27.3 | 25.3 | 28.0 | 26.9 | 24.5(−2.4) | 25.5(−1.4) | 25.3(−1.6) | 24.0(−2.9) | 23.3(−3.6) |
AVG | 18.2 | 17.4 | 18.3 | 18.0 | 15.7(−2.2) | 15.5(−2.5) | 15.3(−2.7) | 14.9(−3.1) | 13.9(−4.1) |