Achieving the Optimal -Anonymity for Content Privacy in Interactive Cyberphysical Systems

Algorithm 1

Multilayer Alignment.

Input: query content set , integer , the prior probability of query content

Output: the reporting probability

1  sort according to in descend order;

2  for    do

3initiate a list ;

4  ;

5  ;

6  ;

7  initiate an integer array with values of 0;

8  for    do

9if    then

10if    then

11;

12continue;

13else

14;

15;

16if    then

17;

18;

19;

20else

21;

22;

23;

24if    then

25continue;

26;

27;

28;

29  while    do

30initiate a report ;

31add the heads of to ;

32;

33for    do

34;

35;

36if    then

37;

38else

39;

40  return  ;