Publications

@inproceedings{chen2026allcircuits,
  title     = {All Circuits Lead to Rome: Rethinking Functional Anisotropy in Circuit and Sheaf Discovery for {LLM}s},
  author    = {Chen, Xi and Jin, Mingyu and Niu, Jingcheng and Yin, Yutong and Zhao, Jinman and Guo, Bangwei and Metaxas, Dimitris N. and Wang, Zhaoran and Yue, Yutao and Penn, Gerald},
  booktitle = {Proceedings of the 43rd International Conference on Machine Learning (ICML)},
  year      = {2026},
}

@article{tiblias2026hypothesisdriven,
    title={Hypothesis-Driven Feature Manifold Analysis in {LLM}s via Supervised Multi-Dimensional Scaling},
    author={Federico Tiblias and Irina Bigoulaeva and Jingcheng Niu and Simone Balloccu and Iryna Gurevych},
    journal={Transactions on Machine Learning Research},
    issn={2835-8856},
    year={2026},
    url={https://openreview.net/forum?id=vCKZ40YYPr},
    note={}
}

@misc{niu2025illusionalgorithminvestigatingmemorization,
      title={Illusion or Algorithm? Investigating Memorization, Emergence, and Symbolic Processing in In-Context Learning}, 
      author={Jingcheng Niu and
        Subhabrata Dutta and
        Ahmed Elshabrawy and
        Harish Tayyar Madabushi and
        Iryna Gurevych},
      year={2025},
      eprint={2505.11004},
      archivePrefix={arXiv},
      primaryClass={cs.CL},
      url={https://arxiv.org/abs/2505.11004}, 
}

@inproceedings{yu-etal-2025-sheaf,
    title = "Sheaf Discovery with Joint Computation Graph Pruning and Flexible Granularity",
    author = "Yu, Lei  and
      Niu, Jingcheng  and
      Zhu, Zining  and
      Chen, Xi  and
      Penn, Gerald",
    editor = "Christodoulopoulos, Christos  and
      Chakraborty, Tanmoy  and
      Rose, Carolyn  and
      Peng, Violet",
    booktitle = "Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing",
    month = nov,
    year = "2025",
    address = "Suzhou, China",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2025.emnlp-main.446/"
}

@inproceedings{zhao-etal-2025-tiny,
    title = "Tiny Budgets, Big Gains: Parameter Placement Strategy in Parameter Super-Efficient Fine-Tuning",
    author = "Zhao, Jinman  and
      Zhang, Xueyan  and
      Li, Jiaru  and
      Niu, Jingcheng  and
      Hu, Yulan  and
      Min, Erxue  and
      Penn, Gerald",
    editor = "Christodoulopoulos, Christos  and
      Chakraborty, Tanmoy  and
      Rose, Carolyn  and
      Peng, Violet",
    booktitle = "Proceedings of the 2025 Conference on Empirical Methods in Natural Language Processing",
    month = nov,
    year = "2025",
    address = "Suzhou, China",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2025.emnlp-main.321/",
    doi = "10.18653/v1/2025.emnlp-main.321"
}

@inproceedings{niu-etal-2025-llama,
    title = "Llama See, Llama Do: A Mechanistic Perspective on Contextual Entrainment and Distraction in {LLM}s",
    author = "Niu, Jingcheng  and
      Yuan, Xingdi  and
      Wang, Tong  and
      Saghir, Hamidreza  and
      Abdi, Amir H.",
    editor = "Che, Wanxiang  and
      Nabende, Joyce  and
      Shutova, Ekaterina  and
      Pilehvar, Mohammad Taher",
    booktitle = "Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)",
    month = jul,
    year = "2025",
    address = "Vienna, Austria",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2025.acl-long.791/",
    pages = "16218--16239",
    ISBN = "979-8-89176-251-0"
}

@article{Saifei2025Attenuating,
  author = {Liao, Saifei and Niu, Jingcheng and Penn, Gerald},
  journal = {Proceedings of the Canadian Conference on Artificial Intelligence},
  year = {2025},
  month = {may 19},
  note = {https://caiac.pubpub.org/pub/n7sbt42t},
  publisher = {Canadian Artificial Intelligence Association (CAIAC)},
  title = {Attenuating {Catastrophic} {Forgetting} of {Token}-{Level} {Knowledge} in {Contrastive} {Sentence} {Embeddings} with {Attentive} {Pooling}},
}

@inproceedings{niu-etal-2024-contempo,
    title = "{C}on{T}empo: A Unified Temporally Contrastive Framework for Temporal Relation Extraction",
    author = "Niu, Jingcheng  and
      Liao, Saifei  and
      Ng, Victoria  and
      De Montigny, Simon  and
      Penn, Gerald",
    editor = "Ku, Lun-Wei  and
      Martins, Andre  and
      Srikumar, Vivek",
    booktitle = "Findings of the Association for Computational Linguistics ACL 2024",
    month = aug,
    year = "2024",
    address = "Bangkok, Thailand and virtual meeting",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2024.findings-acl.89",
    pages = "1521--1533",
}

@inproceedings{niu2024what,
  title={What does the Knowledge Neuron Thesis Have to do with Knowledge?},
  author={Jingcheng Niu and Andrew Liu and Zining Zhu and Gerald Penn},
  booktitle={The Twelfth International Conference on Learning Representations},
  year={2024},
  url={https://openreview.net/forum?id=2HJRwwbV3G}
}

@inproceedings{niu-etal-2022-using,
  title = "Using {Roark}-{Hollingshead} Distance to Probe {BERT}'s Syntactic Competence",
  author = "Niu, Jingcheng and
   Lu, Wenjie and
   Corlett, Eric and
   Penn, Gerald",
  booktitle = "Proceedings of the Fifth BlackboxNLP Workshop on Analyzing and Interpreting Neural Networks for NLP",
  month = dec,
  year = "2022",
  address = "Abu Dhabi, United Arab Emirates",
  publisher = "Association for Computational Linguistics"
}

@inproceedings{niu-etal-2022-using,
  title = "Using {Roark}-{Hollingshead} Distance to Probe {BERT}'s Syntactic Competence",
  author = "Niu, Jingcheng and
   Lu, Wenjie and
   Corlett, Eric and
   Penn, Gerald",
  booktitle = "Proceedings of the Fifth BlackboxNLP Workshop on Analyzing and Interpreting Neural Networks for NLP",
  month = dec,
  year = "2022",
  address = "Abu Dhabi, United Arab Emirates",
  publisher = "Association for Computational Linguistics"
}

@inproceedings{niu-etal-2022-bert,
    title = "Does {BERT} Rediscover a Classical {NLP} Pipeline?",
    author = "Niu, Jingcheng  and
      Lu, Wenjie  and
      Penn, Gerald",
    booktitle = "Proceedings of the 29th International Conference on Computational Linguistics",
    month = oct,
    year = "2022",
    address = "Gyeongju, Republic of Korea",
    publisher = "International Committee on Computational Linguistics"
}

@inproceedings{nkhp:2022,
  author = {Niu, Jingcheng and Kang, Xinyu and Hohmann, Pascal and Penn, Gerald},
  title = {Chinese quantifier scope, concord, and {Lexical Resource Semantics}},
  booktitle = {{Proceedings of the 29th International Conference on Head-Driven Phrase Structure Grammar, Online (Nagoya\slash Tokyo)}},
  editor = {Müller, Stefan and Winckel, Elodie},
  OPTissn = {1535-1793},
  doi = {10.21248/hpsg.2022.6},
  publisher = {University Library},
  address = {Frankfurt/Main},
  pages = {102--119},
  year = {2022}
}

@inproceedings{niu-etal-2021-statistically,
   title = "Statistically Evaluating Social Media Sentiment Trends towards {COVID}-19 Non-Pharmaceutical Interventions with Event Studies",
   author = "Niu, Jingcheng and
    Rees, Erin and
    Ng, Victoria and
    Penn, Gerald",
   booktitle = "Proceedings of the Sixth Social Media Mining for Health ({\#}SMM4H) Workshop and Shared Task",
   month = jun,
   year = "2021",
   address = "Mexico City, Mexico",
   publisher = "Association for Computational Linguistics"
}

@inproceedings{niu-penn-2020-grammaticality,
   title = "Grammaticality and Language Modelling",
   author = "Niu, Jingcheng and Penn, Gerald",
   booktitle = "Proceedings of the First Workshop on Evaluation and Comparison of NLP Systems",
   month = nov,
   year = "2020",
   address = "Online",
   publisher = "Association for Computational Linguistics"
}

@inproceedings{niu-etal-2020-temporal,
  title = "Temporal Histories of Epidemic Events ({THEE}): A Case Study in Temporal Annotation for Public Health",
  author = "Niu, Jingcheng  and
    Ng, Victoria  and
    Penn, Gerald  and
    Rees, Erin E.",
  booktitle = "Proceedings of the Twelfth Language Resources and Evaluation Conference",
  month = may,
  year = "2020",
  address = "Marseille, France",
  publisher = "European Language Resources Association"
}

@article{ng2020application,
  title={Application of natural language processing algorithms for extracting information from news articles in event-based surveillance},
  author={Ng, Victoria and Rees, Erin E and Niu, Jingcheng and Zaghool, Abdelhamid and Ghiasbeglou, Homeira and Verster, Adrian},
  journal={Canada Communicable Disease Report},
  volume={46},
  number={6},
  pages={186--191},
  year={2020},
  publisher={Public Health Agency of Canada}
}

@inproceedings{niu-penn-2019-rationally,
    title = "Rationally Reappraising {ATIS}-based Dialogue Systems",
    author = "Niu, Jingcheng  and
      Penn, Gerald",
    editor = "Korhonen, Anna  and
      Traum, David  and
      M{\`a}rquez, Llu{\'\i}s",
    booktitle = "Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics",
    month = jul,
    year = "2019",
    address = "Florence, Italy",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/P19-1550"
}