Author

Jian Xu

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Book Open access Aug 2026

Two-Stage Auctions with Bid Refinement for Online Advertising

This work investigates the design of two-stage auctions that allow advertisers to submit and update their bids, with second-stage bids serving as refinements of the initial ones, and proposes a dynamic two-stage auction that adopts realization-dependent entry fees with discounts.

Yidan Xing, Rui Guo, Yi-Xin Tao et al. · Proceedings of the 32nd ACM... · 0 citations

#artificial intelligence Preprint Aug 2026

Can Large Language Models Identify Meaningful Touchpoints in Conversion Attribution?

This evaluation shows that while LLMs effectively uncover a substantial portion of implicitly-related touchpoints, significant room for improvement remains in their selection performance, and offers a new roadmap for transitioning conversion attribution from mechanical rule-matching to human-aligned semantic reasoning.

Jinqi Wu, Sishuo Chen, Zhangming Chan et al. · 0 citations