3 papers
cs.GT2026
The (Marginal) Value of a Search Ad: An Online Causal Framework for Repeated Second-price Auctions
Yuxiao Wen, Zihao Hu, Yanjun Han +2
Existing auto-bidding algorithms in digital advertising often treat the value of an ad opportunity as the revenue obtained when an ad is shown and/or clicked, and bid accordingly.…
cs.LG2026
Joint Value Estimation and Bidding in Repeated First-Price Auctions
Yuxiao Wen, Yanjun Han, Zhengyuan Zhou
We study regret minimization in repeated first-price auctions (FPAs), where a bidder observes only the realized outcome after each auction -- win or loss. This setup reflects pract…
cs.LG2025
Optimal Arm Elimination Algorithms for Combinatorial Bandits
Yuxiao Wen, Yanjun Han, Zhengyuan Zhou
Combinatorial bandits extend the classical bandit framework to settings where the learner selects multiple arms in each round, motivated by applications such as online recommendati…