From: Privacy preserving model: a new scheme for auditing cloud stakeholders
Notations | Description |
---|---|
Ax | Amount paid for each service for a particular period |
fi | Specifies the function (e.g., max or sum). |
k | Service type |
C sp | Cloud service provider |
L | Security limitations |
N | The number of cloud users |
Δqi = fi(qi) | Correct answer of each query stored in a cluster |
Qi = (qi, fi) | Each query for every member of data set |
x | The user that access the service |
n(ω) | Contracted services |
Z = {Z1, Z2, …, Zn} | Arbitrary data set |
{Zj | j ∈ qi}. | Subset of data-set entry |
A dit | Third party auditor |
C id | Identity of cloud users |