141 citations · 157 across the 3 of their papers we have counts for
4 papers
Optimal Query Complexity of Secure Stochastic Convex Optimization
Wei Tang, Chien-Ju Ho, Yang Liu
We study the secure stochastic convex optimization problem. A learner aims to learn the optimal point of a convex function through sequentially querying a (stochastic) gradient ora…
Working in Pairs: Understanding the Effects of Worker Interactions in Crowdwork
Chien-Ju Ho, Ming Yin
Crowdsourcing has gained popularity as a tool to harness human brain power to help solve problems that are difficult for computers. Previous work in crowdsourcing often assumes tha…
Incentivizing High Quality Crowdwork
Chien-Ju Ho, Aleksandrs Slivkins, Siddharth Suri +1
We study the causal effects of financial incentives on the quality of crowdwork. We focus on performance-based payments (PBPs), bonus payments awarded to workers for producing high…
Low-Cost Learning via Active Data Procurement
Jacob Abernethy, Yiling Chen, Chien-Ju Ho +1
We design mechanisms for online procurement of data held by strategic agents for machine learning tasks. The challenge is to use past data to actively price future data and give le…