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[theory-seminar] Theory Seminar (10/11): Juba Ziani

Ofir Geri ofirgeri at stanford.edu
Thu Oct 11 10:20:52 PDT 2018


Reminder: today at 4:15pm, Juba Ziani is giving a talk at theory seminar.

________________________________
From: Ofir Geri
Sent: Monday, October 8, 2018 4:25:38 PM
To: thseminar at cs.stanford.edu
Subject: Theory Seminar (10/11): Juba Ziani


Hi all,

On Thursday (10/11) Juba Ziani from Caltech will give a theory seminar talk on Optimal Data Acquisition for Statistical Estimation (abstract below).

The talk will be at 4:15 PM in Gates 463A. Please notice the non-standard time.

Hope to see you there!
Ofir

Optimal Data Acquisition for Statistical Estimation
Speaker: Juba Ziani (Caltech)

We consider a data analyst's problem of purchasing data from strategic agents to compute an unbiased estimate of a statistic of interest. Agents incur private costs to reveal their data and the costs can be arbitrarily correlated with their data. Once revealed, data are verifiable. This paper focuses on linear unbiased estimators. We design an individually rational and incentive compatible mechanism that optimizes the worst-case mean-squared error of the estimation, where the worst-case is over the unknown correlation between costs and data, subject to a budget constraint in expectation. We characterize the form of the optimal mechanism in closed-form. We further extend our results to acquiring data for estimating a parameter in regression analysis, where private costs can correlate with the values of the dependent variable but not with the values of the independent variables.
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