fig9
![Leakless privacy-preserving multi-keyword ranked search over encrypted cloud data](https://image.oaes.cc/e495b637-63e2-4ccf-9736-23183f703b64/3683.fig.9.jpg)
Figure 9. Standard deviation improvement of the queries over 30000 queries.
Figure 9. Standard deviation improvement of the queries over 30000 queries.
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