PPaperPicks

Ziqi Xu

RMIT University, Melbourne, VIC, Australia

29 papers at tracked venues · 25 at CORE A* · active 2024–2026

DBLP profile ↗ORCID 0000-0003-1748-5801 ↗Google Scholar ↗Homepage ↗

Venues

WWW ×12SIGIR ×5AAAI ×4CIKM ×3ICLR ×2ACL ×1EACL ×1ICML ×1

Frequent coauthors

Feng Xia
×10
Jing Ren
×7
Jeffrey Chan
×7
Renqiang Luo
×6
Yongli Ren
×6
Debo Cheng
×6
Chenglong Ma
×6
Lin Liu
×5
Jiuyong Li
×5
Bowen Li
×4
Xiuzhen Zhang
×4
Wentao Gao
×4

Papers

  1. Debiasing Large Language Models via Adaptive Causal Prompting with Sketch-of-Thought
    EACL 2026 ·
    Bowen Li
    , Ziqi Xu,
    Jing Ren
    ,
    Renqiang Luo
    ,
    Xikun Zhang
    ,
    Xiuzhen Zhang
    ,
    Yongli Ren
    ,
    Feng Xia
  2. Deep Extreme Transformer: Tackling Zero-Inflated Time Series for Precipitation Prediction
    AAAI 2026 ·
    Wentao Gao
    ,
    Xiongren Chen
    ,
    Xiaojing Du
    ,
    Wenjun Yu
    ,
    Andres Mauricio Cifuentes Bernal
    , Ziqi Xu
  3. Energy-Efficient Training-Free Zero-Inflation Correction for Rainfall Forecasting with Time-Series Foundation Models
    WWW 2026 ·
    Wentao Gao
    ,
    Xiaojing Du
    ,
    Xiongren Chen
    ,
    Yifan Guo
    ,
    Andres Mauricio Cifuentes Bernal
    ,
    Renqiang Luo
    , Ziqi Xu
  4. ExODRec: An Explainable Framework for Outlier Detection Model Recommendation
    SIGIR 2026 ·
    Saba Fathi Rabooki
    , Ziqi Xu,
    Elham Naghizade
  5. FairGE: Fairness-Aware Graph Encoding in Incomplete Social Networks
    WWW 2026 ·
    Renqiang Luo
    ,
    Huafei Huang
    ,
    Tao Tang
    ,
    Jing Ren
    , Ziqi Xu,
    Mingliang Hou
    ,
    Enyan Dai
    ,
    Feng Xia
  6. FairGU: Fairness-aware Graph Unlearning in Social Networks
    WWW 2026 ·
    Renqiang Luo
    ,
    Yongshuai Yang
    ,
    Huafei Huang
    ,
    Qing Qing
    ,
    Mingliang Hou
    , Ziqi Xu,
    Yi Yu
    ,
    Jingjing Zhou
    ,
    Feng Xia
  7. Hallucinate Less by Thinking More: Aspect-Based Causal Abstention for Large Language Models
    AAAI 2026 ·
    Vy Nguyen
    , Ziqi Xu,
    Jeffrey Chan
    ,
    Estrid He
    ,
    Feng Xia
    ,
    Xiuzhen Zhang
  8. Harnessing LLM for Noise-Robust Cognitive Diagnosis in Web-Based Intelligent Education Systems
    WWW 2026 ·
    Guixian Zhang
    ,
    Guan Yuan
    , Ziqi Xu,
    Yanmei Zhang
    ,
    Jing Ren
    ,
    Zhenyun Deng
    ,
    Debo Cheng
  9. MCLMR: A Model-Agnostic Causal Learning Framework for Multi-Behavior Recommendation
    WWW 2026 ·
    Ranxu Zhang
    ,
    Junjie Meng
    ,
    Ying Sun
    , Ziqi Xu,
    Bing Yin
    ,
    Hao Li
    ,
    Yanyong Zhang
    ,
    Chao Wang
  10. Mitigating Bias in Large Language Model Based Question Answering through Causal Front Door Prompting
    SIGIR 2026 ·
    Yaqi Yang
    , Ziqi Xu,
    Jie Li
    ,
    Chenglong Ma
    ,
    Jeffrey Chan
    ,
    Mark Sanderson
    ,
    Xin Zheng
    ,
    Yongli Ren
  11. STELA: Spatiotemporal Forecasting via Graph Learning and Entropy-Guided LLM Adaptation
    WWW 2026 ·
    Tiantian Huang
    ,
    Yue Li
    ,
    Wei Shao
    , Ziqi Xu,
    Qipeng Song
    ,
    Hui Li
  12. Spiking Graph Predictive Coding for Reliable OOD Generalization
    WWW 2026 ·
    Jing Ren
    ,
    Jiapeng Du
    ,
    Bowen Li
    , Ziqi Xu,
    Xin Zheng
    ,
    Hong Jia
    ,
    Suyu Ma
    ,
    Xiwei Xu
    ,
    Feng Xia
  13. Synthetic Forgetting Without Access: A Few-Shot Zero-Glance Framework for Machine Unlearning
    AAAI 2026 ·
    Qipeng Song
    ,
    Nan Yang
    , Ziqi Xu,
    Yue Li
    ,
    Wei Shao
    ,
    Feng Xia
  14. Task-Aware Automated User Profile Generation for Recommendation Simulation Using Large Language Models
    SIGIR 2026 ·
    Xinye Wanyan
    ,
    Chenglong Ma
    ,
    Danula Hettiachchi
    , Ziqi Xu,
    Jeffrey Chan
  15. Verifiable User Simulation for Search and Recommendation Systems
    SIGIR 2026 ·
    Chenglong Ma
    ,
    Xinye Wanyan
    ,
    Danula Hettiachchi
    , Ziqi Xu,
    Yongli Ren
    ,
    Jeffrey Chan
  16. When to Invoke: Refining LLM Fairness with Toxicity Assessment
    WWW 2026 ·
    Jing Ren
    ,
    Bowen Li
    , Ziqi Xu,
    Renqiang Luo
    ,
    Shuo Yu
    ,
    Xin Ye
    ,
    Haytham M. Fayek
    ,
    Xiaodong Li
    ,
    Feng Xia
  17. When to Trust: A Causality-Aware Calibration Framework for Accurate Knowledge Graph Retrieval-Augmented Generation
    WWW 2026 ·
    Jing Ren
    ,
    Bowen Li
    , Ziqi Xu,
    Xikun Zhang
    ,
    Haytham M. Fayek
    ,
    Xiaodong Li
  18. Cultural Bias Matters: A Cross-Cultural Benchmark Dataset and Sentiment-Enriched Model for Understanding Multimodal Metaphors
    ACL 2025 ·
    Senqi Yang
    ,
    Dongyu Zhang
    ,
    Jing Ren
    , Ziqi Xu,
    Xiuzhen Zhang
    ,
    Yiliao Song
    ,
    Hongfei Lin
    ,
    Feng Xia
  19. Fairness Evaluation with Item Response Theory
    WWW 2025 · Ziqi Xu,
    Sevvandi Kandanaarachchi
    ,
    Cheng Soon Ong
    ,
    Eirini Ntoutsi
  20. Off-policy Evaluation for Multiple Actions in the Presence of Unobserved Confounders
    WWW 2025 ·
    Haolin Wang
    ,
    Lin Liu
    ,
    Jiuyong Li
    , Ziqi Xu,
    Jixue Liu
    ,
    Zehong Cao
    ,
    Debo Cheng
  21. PUB: An LLM-Enhanced Personality-Driven User Behaviour Simulator for Recommender System Evaluation
    SIGIR 2025 ·
    Chenglong Ma
    , Ziqi Xu,
    Yongli Ren
    ,
    Danula Hettiachchi
    ,
    Jeffrey Chan
  22. Revisiting Pre-processing Group Fairness: A Modular Benchmarking Framework
    CIKM 2025 ·
    Brodie Oldfield
    , Ziqi Xu,
    Sevvandi Kandanaarachchi
  23. Telling Peer Direct Effects from Indirect Effects in Observational Network Data
    ICML 2025 ·
    Xiaojing Du
    ,
    Jiuyong Li
    ,
    Debo Cheng
    ,
    Lin Liu
    ,
    Wentao Gao
    ,
    Xiongren Chen
    , Ziqi Xu
  24. Temporal-Aware User Behaviour Simulation with Large Language Models for Recommender Systems
    CIKM 2025 ·
    Xinye Wanyan
    ,
    Danula Hettiachchi
    ,
    Chenglong Ma
    , Ziqi Xu,
    Jeffrey Chan
  25. Towards Better Evaluation of Recommendation Algorithms with Bi-directional Item Response Theory
    WWW 2025 · Ziqi Xu,
    Chenglong Ma
    ,
    Yongli Ren
    ,
    Jeffrey Chan
    ,
    Wei Shao
    ,
    Feng Xia
  26. Unbiased Reasoning for Knowledge-Intensive Tasks in Large Language Models via Conditional Front-Door Adjustment
    CIKM 2025 ·
    Bo Zhao
    ,
    Yinghao Zhang
    , Ziqi Xu,
    Yongli Ren
    ,
    Xiuzhen Zhang
    ,
    Renqiang Luo
    ,
    Zaiwen Feng
    ,
    Feng Xia
  27. Causal Inference with Conditional Front-Door Adjustment and Identifiable Variational Autoencoder
    ICLR 2024 · Ziqi Xu,
    Debo Cheng
    ,
    Jiuyong Li
    ,
    Jixue Liu
    ,
    Lin Liu
    ,
    Kui Yu
  28. Conditional Instrumental Variable Regression with Representation Learning for Causal Inference
    ICLR 2024 ·
    Debo Cheng
    , Ziqi Xu,
    Jiuyong Li
    ,
    Lin Liu
    ,
    Jixue Liu
    ,
    Thuc Duy Le
  29. Instrumental Variable Estimation for Causal Inference in Longitudinal Data with Time-Dependent Latent Confounders
    AAAI 2024 ·
    Debo Cheng
    , Ziqi Xu,
    Jiuyong Li
    ,
    Lin Liu
    ,
    Jixue Liu
    ,
    Wentao Gao
    ,
    Thuc Duy Le