Bufang Yang

Selected Publications [More]

Full publication list on Google Scholar. * indicates equal contribution. † indicates corresponding authorship.

Fig
SensorPersona: An LLM-Empowered System for Continual Persona Extraction from Longitudinal Mobile Sensor Streams

Bufang Yang, Lilin Xu, Yixuan Li, Kaiwei Liu, Xiaofan Jiang, Zhenyu Yan†.

arXiv, 2026
[PDF] [ABS] [BIB]
Infer stable user personas from longitudinal multimodal sensor streams from mobile devices.
```
              
```
--- Infer stable user personas from longitudinal multimodal sensor streams from mobile devices.
Fig
ProAgent: Harnessing On-Demand Sensory Contexts for Proactive LLM Agent Systems

Bufang Yang*, Lilin Xu*, Liekang Zeng, Yuqi Guo, Siyang Jiang, Wenrui Lu, Kaiwei Liu, Xiaofan Jiang, Guoliang Xing, Zhenyu Yan†.

arXiv, 2025
[PDF] [VIDEO] [ABS] [BIB]
An end-to-end proactive agent system that harnesses sensory contexts from mobile devices.
```
@article{yang2025proagent,
                title={ProAgent: Harnessing On-Demand Sensory Contexts for Proactive LLM Agent Systems},
                author={Yang, Bufang and Xu, Lilin and Zeng, Liekang and Guo, Yunqi and Jiang, Siyang and Lu, Wenrui and Liu, Kaiwei and Xiang, Hancheng and Jiang, Xiaofan and Xing, Guoliang and others},
                journal={arXiv preprint arXiv:2512.06721},
                year={2025}
}
```
--- An end-to-end proactive agent system that harnesses sensory contexts from mobile devices.
Fig
ContextAgent: Context-Aware Proactive LLM Agents with Open-World Sensory Perceptions

Bufang Yang*, Lilin Xu*, Liekang Zeng, Kaiwei Liu, Siyang Jiang, Wenrui Lu, Hongkai Chen, Xiaofan Jiang, Guoliang Xing, Zhenyu Yan†.

The Thirty-Ninth Annual Conference on Neural Information Processing Systems
(NeurIPS 2025)
[PDF] [CODE] [POSTER] [SLIDES] [ABS] [BIB]
Harness extensive sensory contexts surrounding humans to enhance the proactivity of LLM agents.
```
@inproceedings{yang2025contextagent,
  title={ContextAgent: Context-Aware Proactive LLM Agents with Open-World Sensory Perceptions},
  author={Yang, Bufang and Xu, Lilin and Zeng, Liekang and Liu, Kaiwei and Jiang, Siyang and Lu, Wenrui and Chen, Hongkai and Jiang, Xiaofan and Xing, Guoliang and Yan, Zhenyu},
  booktitle={Advances in Neural Information Processing Systems (NeurIPS)},
  year={2025}
}
```
--- Harness extensive sensory contexts surrounding humans to enhance the proactivity of LLM agents.
Fig
SocialMind: LLM-based Proactive AR Social Assistive System with Human-like Perception for In-situ Live Interaction

Bufang Yang*, Yunqi Guo*, Lilin Xu*, Zhenyu Yan†, Hongkai Chen, Guoliang Xing, Xiaofan Jiang.

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp 2025)
[PDF] [Slides] [Poster] [ABS] [BIB]
An LLM-based proactive AR social assistive system that provides users with in-situ social assistance.
```
@article{yang2025socialmind,
  title={SocialMind: LLM-based Proactive AR Social Assistive System with Human-like Perception for In-situ Live Interaction},
  author={Yang, Bufang and Guo, Yunqi and Xu, Lilin and Yan, Zhenyu and Chen, Hongkai and Xing, Guoliang and Jiang, Xiaofan},
  journal={Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp)},
  year={2025}
}
```
--- An LLM-based proactive AR social assistive system that provides users with in-situ social assistance.
Fig
DrHouse: An LLM-empowered Diagnostic Reasoning System through Harnessing Outcomes from Sensor Data and Expert Knowledge

Bufang Yang*, Siyang Jiang*, Lilin Xu, Kaiwei Liu, Hai Li, Guoliang Xing, Hongkai Chen, Xiaofan Jiang, Zhenyu Yan†.

Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp 2024)
[PDF] [Code] [Slides] [ABS] [BIB]
Integrate sensor data and up-to-date expert knowledge for LLM-based multi-turn diagnostic reasoning.
```
@article{yang2024drhouse,
  title={DrHouse: An LLM-empowered Diagnostic Reasoning System through Harnessing Outcomes from Sensor Data and Expert Knowledge},
  author={Yang, Bufang and Jiang, Siyang and Xu, Lilin and Liu, Kaiwei and Li, Hai and Xing, Guoliang and Chen, Hongkai and Jiang, Xiaofan and Yan, Zhenyu},
  journal={Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies (IMWUT/UbiComp)},
  year={2024}
}
```
--- Integrate sensor data and up-to-date expert knowledge for LLM-based multi-turn diagnostic reasoning.
Fig
EdgeFM: Leveraging Foundation Model for Open-set Learning on the Edge

Bufang Yang, Lixing He, Neiwen Ling, Zhenyu Yan, Guoliang Xing, Xian Shuai, Xiaozhe Ren, Xin Jiang.

The 21th ACM Conference on Embedded Networked Sensor Systems, (SenSys 2023)
[PDF] [Slides] [Poster] [ABS] [BIB]
An edge-cloud collaborative system for foundation models that enable open-set learning on the edge.
```
@inproceedings{yang2023edgefm,
  title={EdgeFM: Leveraging Foundation Model for Open-set Learning on the Edge},
  author={Yang, Bufang and He, Lixing and Ling, Neiwen and Yan, Zhenyu and Xing, Guoliang and Shuai, Xian and Ren, Xiaozhe and Jiang, Xin},
  booktitle={ACM Conference on Embedded Networked Sensor Systems (SenSys)},
  year={2023}
}
```
--- An edge-cloud collaborative system for foundation models that enable open-set learning on the edge.
Fig
An Efficient Edge-Cloud Collaboration System with Foundational Models for Open-Set IoT Applications

Bufang Yang, Wenrui Lu, Lixing He, Neiwen Ling, Zhenyu Yan, Guoliang Xing, Xian Shuai, Xiaozhe Ren, Xin Jiang.

IEEE Transactions on Mobile Computing (TMC 2026)
[PDF] [ABS] [BIB]
Achieve both generalization and efficiency on edge via continuous cloud–edge interaction for foundation models.
```
@article{yang2026deepedgefm,
  title={An Efficient Edge-Cloud Collaboration System with Foundational Models for Open-Set IoT Applications},
  author={Yang, Bufang and Lu, Wenrui and He, Lixing and Ling, Neiwen and Yan, Zhenyu and Xing, Guoliang and Shuai, Xian and Ren, Xiaozhe and Jiang, Xin},
  journal={IEEE Transactions on Mobile Computing},
  year={2026}
}
```
--- Achieve both generalization and efficiency on edge via continuous cloud–edge interaction for foundation models.
Fig
TaskSense: A Translation-like Approach for Tasking Heterogeneous Sensor Systems with LLMs

Kaiwei Liu, Bufang Yang, Lilin Xu, Yunqi Guo, Guoliang Xing, Xian Shuai, Xiaozhe Ren, Xin Jiang, Zhenyu Yan.

The 23rd ACM Conference on Embedded Networked Sensor Systems (SenSys 2025)
[PDF] [Slides] [ABS] [BIB]
A novel system that coordinates multiple sensor systems in response to users' complex queries.
```
@inproceedings{liu2025tasksense,
  title={TaskSense: A Translation-like Approach for Tasking Heterogeneous Sensor Systems with LLMs},
  author={Liu, Kaiwei and Yang, Bufang and Xu, Lilin and Guo, Yunqi and Xing, Guoliang and Shuai, Xian and Ren, Xiaozhe and Jiang, Xin and Yan, Zhenyu},
  booktitle={ACM Conference on Embedded Networked Sensor Systems (SenSys)},
  year={2025}
}
```
--- A novel system that coordinates multiple sensor systems in response to users' complex queries.

Other Publications

VIAssist: Adapting Multi-modal Large Language Models for Users with Visual Impairments

Bufang Yang, Lixing He, Kaiwei Liu, Zhenyu Yan.

IEEE International Workshop on Foundation Models for Cyber-Physical Systems & Internet of Things, (FMSys 2024).
BrainZ-BP: A Non-Invasive Cuff-less Blood Pressure Estimation Approach Leveraging Brain Bio-impedance and Electrocardiogram

Bufang Yang, Le Liu, Wenxuan Wu, Mengliang Zhou, Hongxing Liu, Xinbao Ning.

IEEE Transactions on Instrumentation and Measurement, (TIM 2023).
A Novel Sleep Stage Contextual Refinement Algorithm Leveraging Conditional Random Fields

Bufang Yang, Wenxuan Wu, Yitian Liu, Hongxing Liu.

IEEE Transactions on Instrumentation and Measurement, (TIM 2022).
A Single-Channel EEG-Based Automatic Sleep Stage Classification Method Leveraging Deep One-Dimensional Convolutional Neural Network and Hidden Markov Model

Bufang Yang, Xilin Zhu, Yitian Liu, Hongxing Liu.

Biomedical Signal Processing and Control, (BSPC 2021).
A Large-Scale Multimodal Dataset and Benchmarks for Human Activity Scene Understanding and Reasoning

Siyang Jiang, Mu Yuan, Xiang Ji, Bufang Yang, Zeyu Liu, Lilin Xu, Yang Li, Yuting He, Liran Dong, Wei Gao, Hongkai Chen, Zhenyu Yan, Xiaofan Jiang, Guoliang Xing.

The 24th ACM International Conference on Mobile Systems, Applications, and Services, ACM (MobiSys 2026).
SCX: Stateless KV-Cache Encoding for Cloud-Scale Confidential Transformer Serving

Mu Yuan, Lan Zhang, Liekang Zeng, Siyang Jiang, Bufang Yang, Di Duan, Guoliang Xing.

ACM SIGCOMM (SIGCOMM 2025).
Myo-Trainer: A Muscle-Aware Motion Analysis and Feedback System for In-Home Resistance Training

Yuting He, Xinyan Wang, Mu Yuan, Bufang Yang, Siyang Jiang, Yihua Huang, Doris S.F. Yu, Guoliang Xing, Hongkai Chen.

The 31st Annual International Conference On Mobile Computing And Networking, ACM (MobiCom 2025).
Soar: Design and Deployment of A Smart Roadside Infrastructure System for Autonomous Driving

Shuyao Shi, Neiwen Ling, Zhehao Jiang, Xuan Huang, Yuze He, Xiaoguang Zhao, Bufang Yang, Chen Bian, Jingfei Xia, Zhenyu Yan, Raymond Yeung, Guoliang Xing.

The 30th Annual International Conference On Mobile Computing And Networking, (MobiCom 2024).

Biography

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