Research Article

Achieving Incentive, Security, and Scalable Privacy Protection in Mobile Crowdsensing Services

Table 1

Notations and descriptions.

Notations Descriptions

a random generator
a measure in differential privacy
the sensitivity
the probability of adding noise
the number of sensing users
the sensing data of user at -th task
the data feature set
the class tag
the final transaction price
added noise sensing data
noise
anti-collision hash function
the sensing user’s key
the mediator’s key
the ciphertext
the aggregation data
a list of service providers
a random number
a list of the expected cost price
the mediator