DeepFM
NOVEMBER 12, 2017
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googledeep-wideDeepFM
1.
DeepFMend-to-end
deepfm
NNDeepFM1FMDNN
FMDNNWide&Deep
DeepFM
DeepFMwide partdeep partWide&Deep
embedding vectorWide&Deepinput
vectorsizewidepairwise
DeepFMbenchmark
2.
n(x, y)xm-fields
(user,item)pair labelx
one-hot
one-hot
(x,y)
jxCTR
y ∈ {0, 1}
x = [ , , . . , , . . . , ]
x
f iel
d
1
x
f iel
d
2
x
f iel
d
j
x
f iel
d
m
x
f iel
d
j
= CT (x)
y
R
model
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