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20222026
most citedBalancing Unobserved Confounding with a Few Unbiased Ratings in Debiased Recommendations

40 citations · 117 across the 33 of their papers we have counts for

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cs.LG2025

Breaking the Gradient Barrier: Unveiling Large Language Models for Strategic Classification

Xinpeng Lv, Yunxin Mao, Haoxuan Li +9

Strategic classification~(SC) explores how individuals or entities modify their features strategically to achieve favorable classification outcomes. However, existing SC methods, w…

cs.LG2025

Design-Based Bandits Under Network Interference: Trade-Off Between Regret and Statistical Inference

Zichen Wang, Haoyang Hong, Chuanhao Li +3

In multi-armed bandits with network interference (MABNI), the action taken by one node can influence the rewards of others, creating complex interdependence. While existing researc…

cs.LG2025

Decentralized Dynamic Cooperation of Personalized Models for Federated Continual Learning

Danni Yang, Zhikang Chen, Sen Cui +6

Federated continual learning (FCL) has garnered increasing attention for its ability to support distributed computation in environments with evolving data distributions. However, t…

cs.LG2025

Curious Causality-Seeking Agents Learn Meta Causal World

Zhiyu Zhao, Haoxuan Li, Haifeng Zhang +4

When building a world model, a common assumption is that the environment has a single, unchanging underlying causal rule, like applying Newton's laws to every situation. In reality…

cs.LG2025

Pruning Spurious Subgraphs for Graph Out-of-Distribution Generalization

Tianjun Yao, Haoxuan Li, Yongqiang Chen +4

Graph Neural Networks (GNNs) often encounter significant performance degradation under distribution shifts between training and test data, hindering their applicability in real-wor…

cs.LG2025

Learning without Isolation: Pathway Protection for Continual Learning

Zhikang Chen, Abudukelimu Wuerkaixi, Sen Cui +10

Deep networks are prone to catastrophic forgetting during sequential task learning, i.e., losing the knowledge about old tasks upon learning new tasks. To this end, continual learn…

cs.LG2025

OLinear: A Linear Model for Time Series Forecasting in Orthogonally Transformed Domain

Wenzhen Yue, Yong Liu, Haoxuan Li +5

This paper presents , a -based multivariate time series forecasting model that operates in an rthogonally transformed domain. Recent…

cs.LG2025

Time-o1: Time-Series Forecasting Needs Transformed Label Alignment

Hao Wang, Licheng Pan, Zhichao Chen +5

Training time-series forecasting models poses unique challenges in loss function design. Most existing approaches adopt temporal mean squared error, but this study reveals two crit…

cs.LG2025

IPAD: Inverse Prompt for AI Detection - A Robust and Interpretable LLM-Generated Text Detector

Zheng Chen, Yushi Feng, Jisheng Dang +5

Large Language Models (LLMs) have attained human-level fluency in text generation, which complicates the distinguishing between human-written and LLM-generated texts. This increase…

cs.LG2025

Learning Counterfactual Outcomes Under Rank Preservation

Peng Wu, Haoxuan Li, Chunyuan Zheng +5

Counterfactual inference aims to estimate the counterfactual outcome at the individual level given knowledge of an observed treatment and the factual outcome, with broad applicatio…

cs.LG2025

Towards Understanding Extrapolation: a Causal Lens

Lingjing Kong, Guangyi Chen, Petar Stojanov +3

Canonical work handling distribution shifts typically necessitates an entire target distribution that lands inside the training distribution. However, practical scenarios often inv…

cs.LG2024

Proximity Matters: Local Proximity Enhanced Balancing for Treatment Effect Estimation

Hao Wang, Zhichao Chen, Zhaoran Liu +3

Heterogeneous treatment effect (HTE) estimation from observational data poses significant challenges due to treatment selection bias. Existing methods address this bias by minimizi…

cs.LG2024

On the Maximal Local Disparity of Fairness-Aware Classifiers

Jinqiu Jin, Haoxuan Li, Fuli Feng

Fairness has become a crucial aspect in the development of trustworthy machine learning algorithms. Current fairness metrics to measure the violation of demographic parity have the…

cs.LG2024

Be Aware of the Neighborhood Effect: Modeling Selection Bias under Interference

Haoxuan Li, Chunyuan Zheng, Sihao Ding +4

Selection bias in recommender system arises from the recommendation process of system filtering and the interactive process of user selection. Many previous studies have focused on…

cs.LG2024

Contrastive Balancing Representation Learning for Heterogeneous Dose-Response Curves Estimation

Minqin Zhu, Anpeng Wu, Haoxuan Li +8

Estimating the individuals' potential response to varying treatment doses is crucial for decision-making in areas such as precision medicine and management science. Most recent stu…

cs.LG2024★ 7 cited

FreDF: Learning to Forecast in the Frequency Domain

Hao Wang, Licheng Pan, Zhichao Chen +6

Time series modeling presents unique challenges due to autocorrelation in both historical data and future sequences. While current research predominantly addresses autocorrelation…

cs.LG2023★ 5 cited

Optimal Transport for Treatment Effect Estimation

Hao Wang, Zhichao Chen, Jiajun Fan +7

Estimating conditional average treatment effect from observational data is highly challenging due to the existence of treatment selection bias. Prevalent methods mitigate this issu…

cs.LG2022

A Generalized Doubly Robust Learning Framework for Debiasing Post-Click Conversion Rate Prediction

Quanyu Dai, Haoxuan Li, Peng Wu +5

Post-click conversion rate (CVR) prediction is an essential task for discovering user interests and increasing platform revenues in a range of industrial applications. One of the m…

cs.LG2022★ 2 cited

Entire Space Counterfactual Learning for Reliable Content Recommendations

Hao Wang, Zhichao Chen, Zhaoran Liu +4

Post-click conversion rate (CVR) estimation is a fundamental task in developing effective recommender systems, yet it faces challenges from data sparsity and sample selection bias.…

cs.LG2022★ 12 cited

StableDR: Stabilized Doubly Robust Learning for Recommendation on Data Missing Not at Random

Haoxuan Li, Chunyuan Zheng, Peng Wu

In recommender systems, users always choose the favorite items to rate, which leads to data missing not at random and poses a great challenge for unbiased evaluation and learning o…