Research Article
Privacy-Enhancing Preferential LBS Query for Mobile Social Network Users
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; |
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