Samuel Kernan Freire, Chaofan Wang, and Evangelos Niforatos. Chatbots in knowledge-intensive contexts: Comparing intent and llm-based systems. arXiv preprint arXiv:2402.04955, 2024 pdf
Samuel Kernan Freire, Chaofan Wang, Mina Foosherian, Stefan Wellsandt, Santiago Ruiz-Arenas, and Evangelos Niforatos. Knowledge sharing in manufacturing using large language models: User evaluation and model benchmarking. arXiv preprint arXiv:2401.05200, 2024 pdf
Chaofan Wang, Samuel Kernan Freire, Mo Zhang, Jing Wei, Jorge Goncalves, Vassilis Kostakos, Zhanna Sarsenbayeva, Christina Schneegass, Alessandro Bozzon, and Evangelos Niforatos. Safeguarding crowdsourcing surveys from chatgpt with prompt injection. arXiv preprint arXiv:2306.08833, 2023 pdf
2023
Weiwei Jiang, Chaofan Wang, Zhanna Sarsenbayeva, Andrew Irlitti, Jing Wei, Jarrod Knibbe, Tilman Dingler, Jorge Goncalves, and Vassilis Kostakos. Infoprint: Embedding interactive information in 3d prints using low-cost readily-available printers and materials. Proc. ACM Interact. Mob. Wearable Ubiquitous Technol., 7(3), sep 2023 pdf
Samuel Kernan Freire, Ji-Youn Jung, Chaofan Wang, Evangelos Niforatos, and Alessandro Bozzon. How emoji and explanations influence adherence to ai recommendations. In Proceedings of the 23rd ACM International Conference on Intelligent Virtual Agents, pages 1–5, 202 pdf
Samuel Kernan Freire, Mina Foosherian, Chaofan Wang, and Evangelos Niforatos. Harnessing large language models for cognitive assistants in factories. In Proceedings of the 5th International Conference on Conversational User Interfaces, pages 1–6, 2023 pdf
Chaofan Wang, Weiwei Jiang, Kangning Yang, Zhanna Sarsenbayeva, Benjamin Tag, Tilman Dingler, Jorge Goncalves, and Vassilis Kostakos. Using thermal imaging to measure hand hygiene quality. Journal of Hospital Infection, 2023 pdf
Samuel Kernan Freire, Chaofan Wang, Santiago Ruiz-Arenas, and Evangelos Niforatos. Tacit knowledge elicitation for shop-floor workers with an intelligent assistant. In Extended Abstracts of the 2023 CHI Conference on Human Factors in Computing Systems, CHI EA ’23, New York, NY, USA, 2023. Association for Computing Machinery pdf
Samuel Kernan Freire, Evangelos Niforatos, Chaofan Wang, Santiago Ruiz-Arenas, Mina Foosherian, Stefan Wellsandt, and Alessandro Bozzon. Lessons learned from designing and evaluating claica: A continuously learning ai cognitive assistant. In Proceedings of the 28th International Conference on Intelligent User Interfaces, IUI ’23, page 553–568, New York, NY, USA, 2023. Association for Computing Machinery pdf
2022
Kangning Yang, Benjamin Tag, Chaofan Wang, Yue Gu, Zhanna Sarsenbayeva, Tilman Dingler, Greg Wadley, and Jorge Goncalves. Survey on emotion sensing using mobile devices. IEEE Transactions on Affective Computing, (01):1–20, Nov 2022 pdf
Wei Jing, Weiwei Jiang, Chaofan Wang, Difeng Yu, Jorge Goncalves, Tilman Dingler, and Vassilis Kostakos. Understanding how to administer voice surveys through smart speakers. Proc. ACM Hum.-Comput. Interact., 6(CSCW2) pdf
Chaofan Wang, Kangning Yang, Weiwei Jiang, Jing Wei, Zhanna Sarsenbayeva, Jorge Goncalves, and Vassilis Kostakos. Hand hygiene quality assessment using image-to-image translation. In Medical Image Computing and Computer Assisted Intervention – MICCAI 2022, pages 64–73, Cham, 2022. Springer Nature Switzerland pdf
Kangning Yang, Benjamin Tag, Yue Gu, Chaofan Wang, Tilman Dingler, Greg Wadley, and Jorge Goncalves. Mobile emotion recognition via multiple physiological signals using convolution-augmented transformer. In Proceedings of the 2022 International Conference on Multimedia Retrieval, ICMR ’22, page 562–570, New York, NY, USA, 2022. pdf
Chaofan Wang, Weiwei Jiang, Kangning Yang, Zhanna Sarsenbayeva, Benjamin Tag, Tilman Dingler, Jorge Goncalves, and Vassilis Kostakos. A System for Computational Assessment of Hand Hygiene Techniques. Journal of Medical Systems, 46(6):36, May 2022 pdf
Weiwei Jiang, Difeng Yu, Chaofan Wang, Zhanna Sarsenbayeva, Niels van Berkel, Jorge Goncalves, and Vassilis Kostakos. Near-Infrared Imaging for Information Embedding and Extraction with Layered Structures. ACM Trans. Graph., April 2022 pdf
2021
Chaofan Wang, Weiwei Jiang, Kangning Yang, Difeng Yu, Joshua Newn, Zhanna Sarsenbayeva, Jorge Goncalves, Vassilis Kostakos. Electronic Monitoring Systems for Hand Hygiene: Systematic Review of Technology. J Med Internet Res 2021;23(11):e27880 pdf
Kangning Yang, Chaofan Wang, Yue Gu, Zhanna Sarsenbayeva, Benjamin Tag, Tilman Dingler, Greg Wadley, and Jorge Goncalves. Behavioral and physiological signals-based deep multimodal approach for mobile emotion recognition. IEEE Transactions on Affective Computing, (01):1–1, July 2021 pdf
Weiwei Jiang, Zhanna Sarsenbayeva, Niels van Berkel, Chaofan Wang, Difeng Yu, Jing Wei, Jorge Goncalves,and Vassilis Kostakos. User Trust in Assisted Decision-Making Using Miniaturized Near-Infrared Spectroscopy. In Proceedings of the 2021 CHI Conference on Human Factors in Computing Systems, New York, NY, USA, 2021. Association for Computing Machinery pdf
2020
Difeng Yu, Weiwei Jiang, Chaofan Wang, Tilman Dingler, Eduardo Velloso, and Jorge Goncalves.ShadowDancXR: Body Gesture Digitization for Low-Cost Extended Reality (XR) Headsets. In Companion Proceedings of the 2020Conference on Interactive Surfaces and Spaces, page 79–80, New York, NY, USA, 2020. Association for Computing Machinery pdf
Kangning Yang, Chaofan Wang, Zhanna Sarsenbayeva, Benjamin Tag, Tilman Dingler, Greg Wadley, and Jorge Goncalves. Benchmarking commercial emotion detection systems using realistic distortions of facial image datasets. The Visual Computer, pages 1–20, 2020 pdf
Chaofan Wang, Zhanna Sarsenbayeva, Xiuge Chen, Tilman Dingler, Jorge Goncalves, and Vassilis Kostakos. Accurate measurement of handwash quality using sensor armbands: Instrument validation study. JMIR Mhealth Uhealth, 8(3):e17001, Mar 2020 pdf
2019
Chaofan Wang, Zhanna Sarsenbayeva, Chu Luo, Jorge Goncalves, and Vassilis Kostakos. Improving wearable sensor data quality using context markers. In International Joint Conference on Pervasive and Ubiquitous Computing, UbiComp Adjunct, 2019 pdf
Qiushi Zhou, Joshua Newn, Benjamin Tag, Hao-Ping Lee, Chaofan Wang, and Eduardo Velloso. Ubiquitous smart eyewear interactions using implicit sensing and unobtrusive information output. In International Joint Conference on Pervasive and Ubiquitous Computing, UbiComp Adjunct, 2019 pdf