COLLECTING

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Collecting and analyzing key-value data under shuffled differential privacy被引量：1
《Frontiers of Computer Science》2023年第2期241-243,共3页Ning WANG Wei ZHENG Zhigang WANG Zhiqiang WEI Yu GU Peng TANG Ge YU 
supported by the National Natural Science Foundation of China(Grant Nos.61902365 and 61902366);Open Project Program from Key Lab of Cryptologic Technology and Information Security,Ministry of Education,Shandong University.
1 Introduction Key-value data,as NoSQL data widely used in recent years,has been frequently collected and used for analysis in major websites and mobile apps.The frequency distribution estimation on the key domain,as ...
关键词：NOSQL APP VALUE 
An adaptive strategy for statistics collecting in distributed database
《Frontiers of Computer Science》2020年第5期199-211,共13页Jintao Gao Wenjie Liu Zhanhuai Li 
This project was supported by Key Research and Development Program(2018YFB1003403);the National Natural Science Foundation of China(Grant Nos.61732014,61672432,61672434);Natural Science Basic Research Plan in Shaanxi Province of China(2017JM6104).
Collecting statistics is a time-and resource-consuming operation in database systems.It is even more challenging to efficiently collect statistics without affecting system performance,meanwhile keeping correctness in ...
关键词：statistics collecting distributed database adaptive strategy query optimization 
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