6 citations · 6 across the 3 of their papers we have counts for
3 papers
cs.IT2022
Improved Weakly Private Information Retrieval Codes
Chengyuan Qian, Ruida Zhou, Chao Tian +1
We study the problem of weakly private information retrieval (W-PIR), where a user wishes to retrieve a desired message from non-colluding servers in a way that the privacy lea…
cs.DS2022★ 6 cited
On Top- Selection from -wise Partial Rankings via Borda Counting
Wenjing Chen, Ruida Zhou, Chao Tian +1
We analyze the performance of the Borda counting algorithm in a non-parametric model. The algorithm needs to utilize probabilistic rankings of the items within -sized subsets to…
cs.LG2022
Approximate Top- Arm Identification with Heterogeneous Reward Variances
Ruida Zhou, Chao Tian
We study the effect of reward variance heterogeneity in the approximate top- arm identification setting. In this setting, the reward for the -th arm follows a -sub-Gau…