%0 Journal Article %T A Profit-maximizing Mechanism for Query-based Data Trading with Personalized Differential Privacy %A Cai, Hui %A Zhu, Yanmin %A Li, Jie %A Yu, Jiadi %J The Computer Journal %V 64 %N 2 %P 264-280 %@ 0010-4620 %D 2021-02-19 %I Oxford University Press %~ DeepDyve