A Trust Inference Method Employing Combinatorial Strategies

Algorithm 1

A trust inference method employing combinatorial strategies.

Input: Trust network , source user , target user , target user’s neighbor set

Output: Predicted trust value

1: Initialize the capacity of the memory pool as

2: Initialize the weights of the network

3: Initialize the target- network

4: repeat

5: repeat

6:  Selecting the next user from the action set using the policy

7:  Get the reward value for action and the next state

8:  Store into

9:  Get samples from

10:    set

11:  Gradient descent update for

12:  Reset every steps

13: until

14: Path strength Minimum value of current path

15: ifcurrent maximum path strength then

16:  

17: end if

18: until All neighbors of the target user are accessed

19: Calculate the trust prediction value using Equation (6)