A Collaborative Filtering Method for Operation Maintenance Behavior in Power Monitoring Systems

Algorithm 5

The workflow of O&M behavior buffer.

Input: The extracted user behavior informationiand j (user i accesses resource j),the audit tag,and the BUFFER_SIZE

Output: update the training set

1 Obtain the behavior information i, j

2 Set the default integration ratio as alpha=1

3if (tag=1) /audit feedback enters the buffer/

4   alpha = BUFFER_SIZE

5end if

6action[i][j] += alpha /statistics on behaviors in the buffer/

7user[i] += alpha/update the amount of user behavior/

8if (user[i]>BUFFER_SIZE)

9   Employ Formula (7) to update the information corresponding to user i in the training set

10     user(i)=0

11     action[i][j]=0

12end if