According to the ever-growing supply and demand of IoT content. IoT big data in diversified applications are deemed a valuable asset by private and public sectors. Their privacy protection has been a hot research topic. Inspired by previous work on bounded-error-pruned IoT content market. https://www.ealisboa.com/bargain-1984-2001-Jeep-Cherokee-XJ-Front-Suspension-Lift-Kit-Bilstein-Shocks-2WD-4WD-flash-choice/