Jeffrey Chan

Venues

Frequent coauthors

Papers

1. Applying Value Sensitive Design to Location-Based Services: Designing for Shared Spaces and Local Conditions
   CHI 2026 ·

   Hiruni Nuwanthika Kegalle

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2. Diversity-Augmented Negative Sampling for Implicit Collaborative Filtering
   WWW 2026 ·

   Yueqing Xuan

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3. Hallucinate Less by Thinking More: Aspect-Based Causal Abstention for Large Language Models
   AAAI 2026 ·

   Vy Nguyen

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4. Mitigating Bias in Large Language Model Based Question Answering through Causal Front Door Prompting
   SIGIR 2026 ·

   Yaqi Yang

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5. Task-Aware Automated User Profile Generation for Recommendation Simulation Using Large Language Models
   SIGIR 2026 ·

   Xinye Wanyan

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6. Verifiable User Simulation for Search and Recommendation Systems
   SIGIR 2026 ·

   Chenglong Ma

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7. BOIDS: High-Dimensional Bayesian Optimization via Incumbent-Guided Direction Lines and Subspace Embeddings
   AAAI 2025 ·

   Lam Ngo

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8. Evaluating and Addressing Fairness Across User Groups in Negative Sampling for Recommender Systems
   CIKM 2025 ·

   Yueqing Xuan

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9. MOBO-OSD: Batch Multi-Objective Bayesian Optimization via Orthogonal Search Directions
   NeurIPS 2025 ·

   Lam Ngo

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10. MOCA-HESP: Meta High-Dimensional Bayesian Optimization for Combinatorial and Mixed Spaces via Hyper-Ellipsoid Partitioning
    ECAI 2025 ·

    Lam Ngo

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11. PUB: An LLM-Enhanced Personality-Driven User Behaviour Simulator for Recommender System Evaluation
    SIGIR 2025 ·

    Chenglong Ma

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12. Temporal-Aware User Behaviour Simulation with Large Language Models for Recommender Systems
    CIKM 2025 ·

    Xinye Wanyan

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13. Towards Better Evaluation of Recommendation Algorithms with Bi-directional Item Response Theory
    WWW 2025 ·

    Ziqi Xu

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14. CAPRI-FAIR: Integration of Multi-sided Fairness in Contextual POI Recommendation Framework
    RecSys 2024 ·

    Francis Zac dela Cruz

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15. Complex Event Summarization Using Multi-Social Attribute Correlation (Extended Abstract)
    ICDE 2024 ·

    Xi Chen

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16. Long-Term Fairness in Ride-Hailing Platform
    ECML-PKDD 2024 ·

    Yufan Kang

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