Wireless Communications and Mobile Computing / 2020 / Article / Alg 1

Research Article

Privacy-Enhancing Preferential LBS Query for Mobile Social Network Users

Algorithm 1

Trusted leader election.
Input: global trust score values stored at the server, list of users in the area, public encryption key generated using the Paillier system;
Output: Leader;
1: ;
2: Leader;
3: fordo
4:  Compute for user ‘i’ based on its computation power and the trust score;
5:  ;
6:  PE SMIN(PE,CE)
7:  if PE == CE then
8:   Leader;
9:  end if
10: end for
11: At the server: : Compute (Leader) to get the leader;
12: Server informs all the users in the area about the leader’
13: return;

Article of the Year Award: Outstanding research contributions of 2020, as selected by our Chief Editors. Read the winning articles.