@misc{sheng2026promptsinteractassessingprompt,title={When Prompts Interact: Assessing Prompt Arithmetic for Deconfounding under Distribution Shift},author={Sheng, Zhecheng and Tan, Yongsen and Ding, Xiruo and Cohen, Trevor and Pakhomov, Serguei},year={2026},eprint={2605.03096},archiveprefix={arXiv},primaryclass={cs.LG},url={https://arxiv.org/abs/2605.03096},journal={Proceedings of the 3rd Conference on Language Modeling (COLM)},}
@misc{tan2026decondtntoolkit,title={DeconDTN-Toolkit: A Library for Evaluation and Enhancement of Robustness to Provenance Shift},author={Tan, Yongsen and Sheng, Zhecheng and Ding, Xiruo and Pakhomov, Serguei V. S. and Cohen, Trevor},year={2026},eprint={2605.11237},archiveprefix={arXiv},primaryclass={cs.LG},url={https://arxiv.org/abs/2605.11237},journal={Proceedings of the Conference on Health, Inference, and Learning (CHIL) 2026},}
@misc{zhang2025bbscorev2learningtimeevolutionlatent,title={BBScoreV2: Learning Time-Evolution and Latent Alignment from Stochastic Representation},author={Zhang, Tianhao and Sheng, Zhecheng and Lin, Zhexiao and Jiang, Chen and Kang, Dongyeop},year={2025},journal={Main Conference of the Empirical Methods in Natural Language Processing (EMNLP) 2025},eprint={2405.17764},archiveprefix={arXiv},primaryclass={cs.CL},url={https://arxiv.org/abs/2405.17764},}
@misc{sheng2025mitigatingconfoundingspeechbaseddementia,title={Mitigating Confounding in Speech-Based Dementia Detection through Weight Masking},author={Sheng, Zhecheng and Ding, Xiruo and Hur, Brian and Li, Changye and Cohen, Trevor and Pakhomov, Serguei},year={2025},eprint={2506.05610},journal={Main Conference of the Association for Computational Linguistics (ACL) 2025},archiveprefix={arXiv},primaryclass={cs.CL},url={https://arxiv.org/abs/2506.05610},}
@article{DING2025104858,author={Ding, Xiruo and Sheng, Zhecheng and Hur, Brian and Tauscher, Justin and Ben-Zeev, Dror and Yeti{\c s}gen, Meliha and Pakhomov, Serguei and Cohen, Trevor},doi={https://doi.org/10.1016/j.jbi.2025.104858},issn={1532-0464},journal={Journal of Biomedical Informatics},title={Tailoring task arithmetic to address bias in models trained on multi-institutional datasets},url={https://www.sciencedirect.com/science/article/pii/S1532046425000875},volume={168},year={2025},bdsk-url-1={https://www.sciencedirect.com/science/article/pii/S1532046425000875},}
@misc{li2025iselseexaminingadministrator,title={"Is There Anything Else?'': Examining Administrator Influence on Linguistic Features from the Cookie Theft Picture Description Cognitive Test},author={Li, Changye and Sheng, Zhecheng and Cohen, Trevor and Pakhomov, Serguei},month=mar,year={2025},eprint={2503.20104},archiveprefix={arXiv},primaryclass={cs.CL},url={https://arxiv.org/abs/2503.20104},}
@inproceedings{li-etal-2024-big,title={Too Big to Fail: Larger Language Models are Disproportionately Resilient to Induction of Dementia-Related Linguistic Anomalies},author={Li, Changye and Sheng, Zhecheng and Cohen, Trevor and Pakhomov, Serguei},journal={Findings of the Association for Computational Linguistics ACL 2024},month=aug,year={2024},url={https://aclanthology.org/2024.findings-acl.380/},}
@inproceedings{sheng2023bbscore,title={BBScore: A Brownian Bridge Based Metric for Assessing Text Coherence},author={Sheng, Zhecheng and Zhang, Tianhao and Jiang, Chen and Kang, Dongyeop},month=feb,year={2024},journal={Proceedings of the 38th Annual AAAI Conference on Artificial Intelligence},url={https://arxiv.org/abs/2312.16893},}
@inproceedings{ding2024backdoor,title={Backdoor Adjustment of Confounding by Provenance for Robust Text Classification of Multi-institutional Clinical Notes},author={Ding, Xiruo and Sheng, Zhecheng and Yetişgen, Meliha and Pakhomov, Serguei and Cohen, Trevor},booktitle={AMIA Annual Symposium Proceedings},volume={2023},pages={923--932},year={2024},url={https://pubmed.ncbi.nlm.nih.gov/38222433/},note={Published 2024 Jan 11}}
@article{ding2023enhancing,title={Enhancing Robustness of Foundation Model Representations under Provenance-related Distribution Shifts},author={Ding, Xiruo and Sheng, Zhecheng and Hur, Brian and Chen, Feng and Pakhomov, Serguei V. S. and Cohen, Trevor},month=dec,year={2023},eprint={2312.05435},archiveprefix={arXiv},url={https://arxiv.org/abs/2312.05435},primaryclass={cs.CL}}
@misc{sheng-etal-2023-dialogue,title={A Dialogue System for Assessing Activities of Daily Living: Improving Consistency with Grounded Knowledge},author={Sheng, Zhecheng and Finzel, Raymond and Lucke, Michael and Dufresne, Sheena and Gini, Maria and Pakhomov, Serguei},journal={Proceedings of the Third DialDoc Workshop on Document-grounded Dialogue and Conversational Question Answering},month=jul,year={2023},address={Toronto, Canada},publisher={Association for Computational Linguistics},url={https://aclanthology.org/2023.dialdoc-1.8},pages={68--79}}
