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Design a privacy-preserving crowd sensing system. This system works in three steps:
Step 1: a remote data collector publishes sensing tasks to all mobile users (e.g., through smartphones carried by users) in the system. A task contains a task identifier and a task description.
Step 2: the mobile users who are interested in a task request the collector to assign the task to them and the collector approves some of requests.
Step 3: those mobile users who are assigned the task submit sensing data to the collector.For privacy reasons, each user does not want the collector to know which tasks she/he has requested and submitted data for.
For trust reasons, the collector wants to make sure only authorized users (i.e., those in the system) can request task and each user can only request each task once. Also only the users assigned a task can submit data for this task. Design a protocol to meet these goals, and clearly describe how it works in each step. Your protocol can have some initialization step before the above Step 1. Here,collusion between authorized users and outside users is not considered. Also, you can assume that no user will be compromised and controlled by the attacker.
What is the worst-case round-trip propagation delay
You are asked by your manager to deliver software to a schedule that you know can only be met by asking your project team to work unpaid overtime.
Design an NSCS chapter event you would like to attend. Explain how it relates to the NSCS pillars of scholarship, service and integrity. (Please respond in 300-450 words) (https://www.facebook.com/nscs.asu)/ (https://www.facebook.com/nscs94) --The..
According to the following quote "what can't be measured can't be effectively managed." The question is can everything that is important in network security be measured using metrics or any other process? Why or Why not?
If firms in an oligopolstic industry successfully collude and form a cartel, what price and output will result? Price lower than the competitive price and because there are only a few firms in the industry, less output than the competitive amount
Individual research on existing or emerging IT-related technology and related ethical issues
You have 10 stacks of coins, each consisting of 10 quarters. One entire stack is counterfeit, but you do not know which one. You do know the weight of a genuine quarter and you are also told that each counterfeit quarter weights one gram more than it..
What type of distribution does X have? Specify its parameter(s). What is the probability mass function of the total number of heads X?
Identify and correct the erros in the following program. void nPrintln(string message, int n){int n=1;for (int i=0; i int main (){nPrintln(5, "Welcome to C++!");}
One of the most widely used applications of spectroscopy is for the quantitative determination of the concentration of biological molecules in solution. The absorbance of a solution.
Write a Select statement that determines whether the PaymentDate column of The Invoices table has any invalid values.
The wagon together with the load weighs 150 lb. If the coefficient of rolling resistance is a = 0.03 in., determine the force P required to pull the wagon with constant velocity
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