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Tianxi Li

4 accepted papers

2022

Incrementality Bidding via Reinforcement Learning under Mixed and Delayed Rewards

NeurIPS 2022accept

Incrementality, which measures the causal effect of showing an ad to a potential customer (e.g. a user in an internet platform) versus not, is a central object for advertisers in online advertising platforms. This paper investigates the problem of how an advertiser can learn to optimize the biddin…

Cited by 2Source ↗PDF ↗Scholar ↗
2021

Diffusion Source Identification on Networks with Statistical Confidence

ICML 2021spotlight

Diffusion source identification on networks is a problem of fundamental importance in a broad class of applications, including controlling the spreading of rumors on social media, identifying a computer virus over cyber networks, or identifying the disease center during epidemiology. Though this pro…

Cited by 12Source ↗PDF ↗Scholar ↗