计算机科学 ›› 2021, Vol. 48 ›› Issue (4): 303-308.doi: 10.11896/jsjkx.200900090
张少杰, 鹿旭东, 郭伟, 王世鹏, 何伟
ZHANG Shao-jie, LU Xu-dong, GUO Wei, WANG Shi-peng, HE Wei
摘要: 供需匹配问题可以通过社交网络(Social Network,SN)下的众包模式得到解决。但由于实际应用中的非合作约束,以及社交网络的隐私保护机制,众包的参与者具有通过非诚信行为获利的动机与条件。这类行为会影响公平性原则,并将导致网络中信任链的崩塌,最终使得整个众包模式的供需匹配规则失效。为解决众包供需匹配方法中的非诚信问题,考虑通过分布式公开记账的方式来确保成员如实汇报个体的行为与状态,并通过核对公开的信息来寻找两类非诚信者。此外,设计基于信誉的惩罚机制来对抗非诚信行为,并最终通过理论分析证明了此机制的有效性与可行性。在此机制下,众包参与者的最优策略便是保证诚实。
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