Jiacheng Guo

Efficient Learning to Learn a Robust CTR Model for Web-scale Online Sponsored Search Advertising

2021

Click-through rate (CTR) prediction is crucial for online sponsored search advertising. Several successful CTR models have been adopted in the industry, including the regularized logistic regression (LR). Nonetheless, the learning process suffers from two limitations: …

Provably Efficient Representation Learning with Tractable Planning in Low-Rank POMDP

2023 · arXiv (Cornell University)

In this paper, we study representation learning in partially observable Markov Decision Processes (POMDPs), where the agent learns a decoder function that maps a series of high-dimensional raw observations to a compact representation and uses …