General Collaborative Filtering for Web Service QoS Prediction

Algorithm 1

BuildModel(,,).

Input:—number of users

—number of services

—dimension of latent vectors

Output:—Model

1: =Input(shape=(1,),dtype=’int32’)

2: =Input(shape=(1,),dtype=’int32’)

3: =Embeding(,,length=1)

4: =Embeding(,,length=1)

5: =ReLU() =Dropout()

6: =ReLU() =Dropout()

7:

8: =ReLU() =Dropout()

9: =ReLU() =Dropout()

10: =

11: =Concat(,)

12: =CRU(), =Dropout()

13:

14: =CRU(), =Dropout()

15: =

16: =Concat(,)

17: =Dense(1, activation=’linear’)()

18: =Model(input=[,],output=)

19: return