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DTSTART;TZID=America/New_York:20220914T120000
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DTSTAMP:20260405T161559
CREATED:20220907T163417Z
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UID:7214-1663156800-1663162200@seasevents.nmsdev7.com
SUMMARY:ASSET Seminar: When Will You Become the Best Reviewer of Your Own Papers? A Truthful Owner-Assisted Scoring Mechanism (Weijie Su\, University of Pennsylvania)
DESCRIPTION:Presentation Abstract:  \nAlice submits a number of papers to a machine learning conference and has knowledge of the quality of her papers. Given noisy grades provided by independent reviewers\, can Bob obtain accurate estimates of the ground-truth quality of the papers by asking Alice a question about the ground truth? In this talk\, we address this when the payoff of Alice is additive convex utility over all her papers. First\, if Alice would truthfully answer the question because by doing so her payoff is maximized\, we show that the questions must be formulated as pairwise comparisons between her papers. Moreover\, if Alice is required to provide a ranking of her papers\, which is the most fine-grained question via pairwise comparisons\, we prove that she would be truth-telling. By incorporating the ground-truth ranking\, we show that Bob can obtain an estimator with the optimal squared error in certain regimes based on any possible ways of truthful information elicitation. Moreover\, the estimated grades are substantially more accurate than the raw grades when the number of papers is large and the raw grades are very noisy. Finally\, we conclude the talk with several extensions and some refinements for practical considerations. This is based on arXiv:2206.08149 and arXiv:2110.14802. \nSpeaker Bio: \nWeijie Su is an Associate Professor in the Wharton Statistics and Data Science Department and\, by courtesy\, in the Department of Computer and Information Science\, at the University of Pennsylvania. He is a co-director of Penn Research in Machine Learning. Prior to joining Penn\, he received his Ph.D. from Stanford University in 2016 and his bachelor’s degree from Peking University in 2011. His research interests span deep learning theory\, privacy-preserving data analysis\, optimization\, and high-dimensional statistics. He is a recipient of the Stanford Theodore W. Anderson Dissertation Award in 2016\, an NSF CAREER Award in 2019\, an Alfred Sloan Research Fellowship in 2020\, the SIAM Early Career Prize in Data Science in 2022\, and the IMS Peter Gavin Hall Prize in 2022.
URL:https://seasevents.nmsdev7.com/event/asset-seminar-when-will-you-become-the-best-reviewer-of-your-own-papers-a-truthful-owner-assisted-scoring-mechanism-weijie-su-university-of-pennsylvania/
LOCATION:Levine 307\, 3330 Walnut Street\, Philadelphia\, PA\, 19104\, United States
CATEGORIES:Seminar
ORGANIZER;CN="Computer and Information Science":MAILTO:cherylh@cis.upenn.edu
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