activity
20202026
most citedMulti-Cause Deconfounding for Recommender Systems with Latent Confounders

8 citations · 12 across the 29 of their papers we have counts for

collaborators

30 papers

cs.LG2026

Transportable Causal Effect Estimation across Networks under Interference

Xiaojing Du, Jiuyong Li, Lin Liu +3

Estimating causal effects under network interference typically assumes that the network used for training and the network used for deployment coincide. In practice, an intervention…

cs.LG2026

Lightweight Wrappers for Adapting Time Series Foundation Models to Regional Drought Forecasting

Wentao Gao, Jiuyong Li, Lin Liu +4

Large \emph{Time Series Foundation Models} (TSFMs) demonstrate strong zero-shot forecasting capabilities across diverse domains. However, their application to regional climate fore…

cs.LG2026

Residual-Guided Multi-Resolution Refinement of Foundation Models: A Case Study in Drought Forecasting

Wentao Gao, Jiuyong Li, Lin Liu +4

Regional climate prediction presents unique challenges for time series foundation models, which typically process temporal patterns through single-pass inference. Expert climatolog…

cs.LG2026

uLEAD-TabPFN: Uncertainty-aware Dependency-based Anomaly Detection with TabPFN

Sha Lu, Jixue Liu, Stefan Peters +4

Anomaly detection in tabular data is challenging due to high dimensionality, complex feature dependencies, and heterogeneous noise. Many existing methods rely on proximity-based cu…

cs.SI2026

Identifying the Group to Intervene on to Maximize Effect Under Cross-Group Interference

Xiaojing Du, Jiuyong Li, Lin Liu +3

In many networked systems, interventions applied to one group of units can induce substantial causal effects on another group through cross-group interference pathways. Despite its…

cs.AI2026

Disentangled Instrumental Variables for Causal Inference with Networked Observational Data

Zhirong Huang, Debo Cheng, Guixian Zhang +3

Instrumental variables (IVs) are crucial for addressing unobservable confounders, yet their stringent exogeneity assumptions pose significant challenges in networked data. Existing…

cs.LG2025

Learning Fair Graph Representations with Multi-view Information Bottleneck

Chuxun Liu, Debo Cheng, Qingfeng Chen +3

Graph neural networks (GNNs) excel on relational data by passing messages over node features and structure, but they can amplify training data biases, propagating discriminatory at…

cs.LG2025

From Noise to Precision: A Diffusion-Driven Approach to Zero-Inflated Precipitation Prediction

Wentao Gao, Jiuyong Li, Lin Liu +6

Zero-inflated data pose significant challenges in precipitation forecasting due to the predominance of zeros with sparse non-zero events. To address this, we propose the Zero Infla…

cs.LG2025

Peer Effect Estimation in the Presence of Simultaneous Feedback and Unobserved Confounders

Xiaojing Du, Jiuyong Li, Lin Liu +2

Estimating peer causal effects within complex real-world networks such as social networks is challenging, primarily due to simultaneous feedback between peers and unobserved confou…

cs.IR2025

A Novel Generative Model with Causality Constraint for Mitigating Biases in Recommender Systems

Jianfeng Deng, Qingfeng Chen, Debo Cheng +3

Accurately predicting counterfactual user feedback is essential for building effective recommender systems. However, latent confounding bias can obscure the true causal relationshi…

cs.CL2024

Counterfactual Samples Constructing and Training for Commonsense Statements Estimation

Chong Liu, Zaiwen Feng, Lin Liu +5

Plausibility Estimation (PE) plays a crucial role for enabling language models to objectively comprehend the real world. While large language models (LLMs) demonstrate remarkable c…

cs.LG2024

Disentangled Representation Learning for Causal Inference with Instruments

Debo Cheng, Jiuyong Li, Lin Liu +4

Latent confounders are a fundamental challenge for inferring causal effects from observational data. The instrumental variable (IV) approach is a practical way to address this chal…

cs.LG2024

Leaning Time-Varying Instruments for Identifying Causal Effects in Time-Series Data

Debo Cheng, Ziqi Xu, Jiuyong Li +4

Querying causal effects from time-series data is important across various fields, including healthcare, economics, climate science, and epidemiology. However, this task becomes com…

cs.SI2024

Towards Fair Graph Representation Learning in Social Networks

Guixian Zhang, Guan Yuan, Debo Cheng +3

With the widespread use of Graph Neural Networks (GNNs) for representation learning from network data, the fairness of GNN models has raised great attention lately. Fair GNNs aim t…

cs.LG2024

Linking Model Intervention to Causal Interpretation in Model Explanation

Debo Cheng, Ziqi Xu, Jiuyong Li +4

Intervention intuition is often used in model explanation where the intervention effect of a feature on the outcome is quantified by the difference of a model prediction when the f…

cs.IR2024

Mitigating Dual Latent Confounding Biases in Recommender Systems

Jianfeng Deng, Qingfeng Chen, Debo Cheng +3

Recommender systems are extensively utilised across various areas to predict user preferences for personalised experiences and enhanced user engagement and satisfaction. Traditiona…

cs.IR2024★ 8 cited

Multi-Cause Deconfounding for Recommender Systems with Latent Confounders

Zhirong Huang, Shichao Zhang, Debo Cheng +3

In recommender systems, various latent confounding factors (e.g., user social environment and item public attractiveness) can affect user behavior, item exposure, and feedback in d…

cs.LG2024

TSI: A Multi-View Representation Learning Approach for Time Series Forecasting

Wentao Gao, Ziqi Xu, Jiuyong Li +6

As the growing demand for long sequence time-series forecasting in real-world applications, such as electricity consumption planning, the significance of time series forecasting be…

cs.LG2024

Is it Still Fair? A Comparative Evaluation of Fairness Algorithms through the Lens of Covariate Drift

Oscar Blessed Deho, Michael Bewong, Selasi Kwashie +4

Over the last few decades, machine learning (ML) applications have grown exponentially, yielding several benefits to society. However, these benefits are tempered with concerns of…

cs.AI2024

Estimating Peer Direct and Indirect Effects in Observational Network Data

Xiaojing Du, Jiuyong Li, Debo Cheng +3

Estimating causal effects is crucial for decision-makers in many applications, but it is particularly challenging with observational network data due to peer interactions. Many alg…

cs.IR2024

Mitigating Propensity Bias of Large Language Models for Recommender Systems

Guixian Zhang, Guan Yuan, Debo Cheng +3

The rapid development of Large Language Models (LLMs) creates new opportunities for recommender systems, especially by exploiting the side information (e.g., descriptions and analy…

cs.IR2024

Debiased Contrastive Representation Learning for Mitigating Dual Biases in Recommender Systems

Zhirong Huang, Shichao Zhang, Debo Cheng +3

In recommender systems, popularity and conformity biases undermine recommender effectiveness by disproportionately favouring popular items, leading to their over-representation in…

cs.LG2024

Causal Effect Estimation using identifiable Variational AutoEncoder with Latent Confounders and Post-Treatment Variables

Yang Xie, Ziqi Xu, Debo Cheng +4

Estimating causal effects from observational data is challenging, especially in the presence of latent confounders. Much work has been done on addressing this challenge, but most o…

stat.ML2024★ 1 cited

Deconfounding Multi-Cause Latent Confounders: A Factor-Model Approach to Climate Model Bias Correction

Wentao Gao, Jiuyong Li, Debo Cheng +7

Global Climate Models (GCMs) are crucial for predicting future climate changes by simulating the Earth systems. However, the GCM Outputs exhibit systematic biases due to model unce…