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. 2020 Dec 21;6:e331. doi: 10.7717/peerj-cs.331

Table 9. Feedback prediction scores by CF and LTO approaches.

items i1 i2 i3 i4 i5 i6 i7 i8 i9 i10 i11 i12 i13 i14
Active user 1 4 1 3 1 2 2 1 5 2 5 2 5 2
CF 2.9 2.9 2.9 3.1 3.3 2.7 2.8 2.5 2.9 2.4 2.9 2.4 2.9 2.9
R R R R R R R R R N R N R R
LTO 0.4 4.3 2.4 2.3 2.2 2.5 1.8 2.4 3.9 2.3 5 3 3.7 3.3
N R N N N R N N R N R R R R