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Security and Communication Networks
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Special Issues
Security and Communication Networks
/
2021
/
Article
/
Tab 4
/
Research Article
Fine-Grained Task Access Control System for Mobile Crowdsensing
Table 4
Comparison in computation.
[
26
]
—
—
[
28
]
—
—
Our system
stand for the exponentiation operation in
and
.
stands for the operation in
.
stands for the billnear pairing operation. There are
positive attributes,
negative attributes, and
wildcards in our system, and [
28
], 3
attributes in Ref. [
26
].