publications

Full list of publications, sorted by year.

2026

  1. ICML
    The Deterministic Horizon: When Extended Reasoning Fails and Tool Delegation Becomes Necessary
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Forty-third International Conference on Machine Learning, ICML 2026, Seoul, South Korea, July 6-11, 2026, 2026
    To appear
  2. ICML
    Position: Current XAI Methods Cannot Satisfy Financial AI Explainability Requirements
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Forty-third International Conference on Machine Learning, ICML 2026, Seoul, South Korea, July 6-11, 2026 - Position Paper Track, 2026
    To appear
  3. SIGIR
    When to Retrieve During Reasoning: Adaptive Retrieval for Large Reasoning Models
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 49th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2026, Melbourne, Australia, July 20-24, 2026, 2026
    To appear
  4. ACL
    RouteNLP: Closed-Loop LLM Routing with Conformal Cascading and Distillation Co-Optimization
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 6: Industry Track), ACL 2026, San Diego, CA, USA, July 2-7, 2026, 2026
    To appear
  5. ACL
    AgentEval: DAG-Structured Step-Level Evaluation for Agentic Workflows with Error Propagation Tracking
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 6: Industry Track), ACL 2026, San Diego, CA, USA, July 2-7, 2026, 2026
    To appear
  6. ACL
    ComplianceNLP: Knowledge-Graph-Augmented RAG for Multi-Framework Regulatory Gap Detection
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 6: Industry Track), ACL 2026, San Diego, CA, USA, July 2-7, 2026, 2026
    To appear
  7. ACL
    FinGround: Detecting and Grounding Financial Hallucinations via Atomic Claim Verification
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 64th Annual Meeting of the Association for Computational Linguistics (Volume 6: Industry Track), ACL 2026, San Diego, CA, USA, July 2-7, 2026, 2026
    To appear
  8. HPDC
    SAGA: Workflow-Atomic Scheduling for AI Agent Inference on GPU Clusters
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 35th International Symposium on High-Performance Parallel and Distributed Computing, HPDC 2026, Cleveland, OH, USA, July 13-16, 2026, 2026
    To appear
  9. ACL CoNLL
    Brain–LLM Alignment Tracks Training Data, Not Typology
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 30th Conference on Computational Natural Language Learning, ACL 2026, San Diego, CA, USA, July 3-4, 2026, 2026
    To appear
  10. ACL CoNLL
    Sparse Autoencoders Map Brain–LLM Alignment onto Cortical Semantic Topography
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 30th Conference on Computational Natural Language Learning, ACL 2026, San Diego, CA, USA, July 3-4, 2026, 2026
    To appear
  11. ACL CoNLL
    Do Language Models Know What Not to Say? Causal Evidence for Statistical Preemption in LLMs
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 30th Conference on Computational Natural Language Learning, ACL 2026, San Diego, CA, USA, July 3-4, 2026, 2026
    To appear
  12. ACL CoNLL
    Model Collapse as Cultural Evolution
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 30th Conference on Computational Natural Language Learning, ACL 2026, San Diego, CA, USA, July 3-4, 2026, 2026
    To appear
  13. GECCO
    Parameter-Efficient Neuroevolution for Diverse LLM Generation: Quality-Diversity Optimization via Prompt Embedding Evolution
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Genetic and Evolutionary Computation Conference (GECCO), 2026
    To appear
  14. GECCO
    EvoPref: Multi-Objective Evolutionary Optimization Discovers Diverse LLM Alignments Beyond Gradient Descent
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Genetic and Evolutionary Computation Conference (GECCO), 2026
    To appear
  15. IEEE CEC
    Predicting When LLMs Enhance Evolutionary Optimization: A Landscape-Aware Framework
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In IEEE Congress on Evolutionary Computation (CEC), 2026
    To appear
  16. IEEE IJCNN
    OT-Route: Provably Load-Balanced MoE Routing via Optimal Transport
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In International Joint Conference on Neural Networks (IJCNN), 2026
    To appear
  17. CogSci
    Bias by Necessity: Impossibility Theorems for Sequential Processing with Convergent AI and Human Validation
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 48th Annual Meeting of the Cognitive Science Society, CogSci 2026, Rio de Janeiro, Brazil, July 22-25, 2026, 2026
    To appear
  18. CogSci
    The Interference Gap: Why Human Memory Outperforms RAG Under Semantic Competition
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 48th Annual Meeting of the Cognitive Science Society, CogSci 2026, Rio de Janeiro, Brazil, July 22-25, 2026, 2026
    To appear
  19. CogSci
    When Can Human-AI Teams Outperform Individuals? Tight Bounds with Impossibility Guarantees
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Proceedings of the 48th Annual Meeting of the Cognitive Science Society, CogSci 2026, Rio de Janeiro, Brazil, July 22-25, 2026, 2026
    To appear
  20. ICCS
    Provably Mesh-Independent Neural Operator Preconditioning via Spectral Equivalence
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Computational Science - ICCS 2026 - 26th International Conference, Hamburg, Germany, June 29 - July 1, 2026, Proceedings, 2026
    To appear
  21. ICCS
    Conformalized Neural Operators: Physics-Informed Adaptive Prediction Bands for PDE Surrogates
    Dongxin Guo, Jikun Wu, and Siu-Ming Yiu
    In Computational Science - ICCS 2026 - 26th International Conference, Hamburg, Germany, June 29 - July 1, 2026, Proceedings, 2026
    To appear