云计算中偏好top-k查询的正确性验证
盛刚1, 温涛1, 郭权2, 印莹3

Correctness authentication of preference top-k query in cloud computing
SHENG Gang1, WEN Tao1, GUO Quan2, YIN Ying3
图7 不同 k 比较
Fig.7 Comparison of different k