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We will present the following paper at the 17th ACM Conference on Bioinformatics, Computational Biology, and Health Informatics (ACM BCB 2026). Yapa P, Senanayake AL, Liang Z. (2026) Reason First or Predict First: Enhancing the Interpretability of Large Language Models for Digital Mental Health Screening. [31 March 2026]
Dr. Liang was honored to receive an IEEE Japan Council Medal in recognition of her contributions to research and education in ubiquitous computing, personal informatics, and digital health. [23 March 2026]
Our Special Issue "Wearable Sensors for Continuous Health Monitoring and Analysis" received an Outstanding Special Issue Award. It has been an honor and a valuable learning experience working with Prof. Juan Antonio Holgado-Terriza and Dr. Pablo Pico-Valencia (University of Granada, Spain). Looking forward to continuing to contribute to the open science community and advancing research in wearable health technologies. The second edition of our special issue is now open for submissions. [18 March 2016]
We were honored to welcome Prof. Evangelos Karapanos (Cyprus University of Technology) and engage in inspiring discussions on interaction design and persuasive technologies. [17 March 2026]
We presented the following papers at the 19th International Joint Conference on Biomedical Engineering Systems and Technologies (BIOSTEC 2026). [3 March 2026]
Hoang NH, Liang Z. Decision Threshold Optimization in Machine Learning Models for Questionnaire-Based OSA Screening. (Full paper acceptance rate = 25%)
Liang Z, Hoang NH, Melcer E, and Hwang D. Unlocking Collaborative Creativity: Co-Design Smartwatch-Based Serious Games for Sleep Hygiene Intervention. (Full paper acceptance rate = 25%)
Priyadarshana YHPP, Senanayake AL, Liang Z. How Interpretable Are LLMs? A Multi-Metric Framework for Evaluating Synthetic Explanations in Digital Mental Health. (Full paper acceptance rate = 25%)
Karunarathna TS, Hoang NH, Liang Z. GlucoPatrol: A Multi-Stakeholder Dashboard for Contextual Exploration of Continuous Glucose Monitoring Data.
Liang Z, Hoang NH, Karunarathna TS. Biochemical Self-Tracking as Personal Informatics: Sensemaking and Actionability of At-Home Micronutrient Tests.
Koo J, Toendan KA, Shimada ET, Akaiduzzaman AKM, Liang Z. Thermal Guardian: An Assistive Wearable System for Home-Based Monitoring and Prevention of Bathing Related Health Risks in Older Adults.
Our following submissions were published in Sleep Medicine, a top journal in sleep research. [5 Feb 2026]
Liang Z, Chapa-Martell MA. (2026) Visualizing Temporal Patterns in Sleep Tracker Accuracy: A Novel Approach to Validating Consumer Sleep Technologies. Sleep Medicine 138(Supp.): 108640.
Liang Z. (2026) Improving Sleep Stage Classification from Consumer Wearables Using a Two-Level Machine Learning Framework with Selective Correction. Sleep Medicine 138(Supp.): 108599.
Liang Z. (2026) Unpacking the Discrepancy Between Subjective and Wearable-Measured Sleep: A Neurophysiological Perspective Using fNIRS. Sleep Medicine 138(Supp.): 108540.
Liang Z. (2026) Bedtime Stress and Prefrontal Cortex Hemodynamics During Sleep: A Pilot Study Using Wearable fNIRS and Salivary Biomarkers. Sleep Medicine 138(Supp.): 108304.
Liang Z, Hoang N, Karunarathna T. (2026) Uncovering Sleep-Linked Glucose Dynamics in Healthy Individuals Using Wearable Data. Sleep Medicine 138(Supp.): 108538.
Hoang N, Liang Z. (2026) Interpretable Machine Learning Using Questionnaire Data: A Scalable Approach for Sleep Apnea Screening. Sleep Medicine 138(Supp.): 108099.
Hoang N, Villeneuve J, Morrison H, Tu A, Karunarathna T, Hwang D, Chen S, Khotchasing K, Liang Z, Melcer E. (2026) Delivering Sleep Hygiene Interventions through Smartwatch-based Serious Sleep Games. Sleep Medicine 138(Supp.): 108585.
Our following paper has been selected as an Editor's Choice Article, a recognition given to papers that highlight some of the best current research and are considered to be of high interest to readers. Thilini Savindya Karunarathna , Zilu Liang. Development of Non-invasive Continuous Glucose Prediction Models Using Multi-Modal Wearable Sensors in Free-living Conditions. [15 Dec 2025]
Dr. Liang has been elevated to IEEE Senior Member. This recognition reflects her ongoing contributions to ubiquitous computing, personal informatics, and digital health. She is grateful to her mentors, collaborators, and students for their support and look forward to continuing impactful research within the IEEE community. [4 Dec 2025]
Our following paper was published in ACM Transactions on Computing for Healthcare (Q1, top 10%), indexed by SCI, and Scopus. Priyadarshana YHPP, Liang Z, Piumarta I. DoRA: Dual-encoder demonstration Retriever Architecture to Transfer Large Language Models for Depressive Symptom Detection. [19 Nov 2025]
We will present the following paper at The 10th International Workshop on Health Intelligence (W3PHIAI-26), in conjunction with AAAI-26. [15 Nov 2025]
Priyadarshana YHPP, Zhou N, Yang Y, Clevorn J, Jiang R, Liang Z, Krishnaswamy P.Enhancing LLM-Based Phenotyping via Structured Knowledge Representation and Chain-of-Thought Reasoning on Electronic Health Records.
Our master student Ms. Thilini Karunarathna received a Best Presentation Award at The 22nd English Presentation Competition in Ritsumeikan (EPCR 2025). [9 Nov 2025]
We presented the following papers at the 2025 IEEE 11th World Forum on Internet of Things (WF-IoT). [29 Oct 2025]
Liang Z, Chen S, Hoang NN, Edward M. Sleep, Sensors, and the Smartwatch: Co-Design Interaction Modalities for On-Wrist Health Apps.
Liang Z, Karunarathna TS, Baig A, Beten A, Lococo L. AIM-W: an Input-Adaptive Framework for Interoperable Physiological Modeling on Wearables.
We gave the following presentations at the 7th World Symposium on Software Engineering (WSSE 2025). [24 Oct 2025]
Karunarathna TS, Hoang NH, Khurshe S, Beten A, Lococo Z, Baig A, and Liang Z. A Layered Software Stack for Web-Based Glucose Prediction and Visualization. (Best Presentation Award)
Liang Z. WearStreamer: Enabling High-Resolution Health Data Acquisition from Consumer Smartwatches.
Raj P, Hoang N, and Liang Z. Software Engineering for PMS Self-Care: Integrating Clinical Assessment with Data-Driven Health Management on Smartphones.
Hoang N, Morrison H, Karunarathna TS, and Liang Z. Developing Serious Games on WearOS: A Software Engineering Perspective on Wearable-Game Integration.
Lococo L, Karunarathna TS, Hoang NH, and Liang Z. GlucoSurf: Engineering Interactive 3D Visualization for Exploring Postprandial Glucose Dynamics.
We presented papers were accepted by 2025 IEEE 14th Global Conference on Consumer Electronics (GCCE 2025). Check out our presentation schedule here. [24 Sep 2025]
Saskovets M, Lohachov M, Liang Z. Cortisol Estimation Using Wearable Wristbands: Comparing Multilevel Modelling and Machine Learning. (Oral Presentation Award)
Carvalho CF, Liang Z. Short-Term Glucose Prediction in Diabetes: Comparing Deep Learning Training Paradigms. (Oral Presentation Award)
Hossain FMM, Tan DJG, Mohamed IA, Ayun QQ, Matsunaga S, Junaideen AS, Liang Z. From Skin to Screen: Real-Time Wound Monitoring with a Smart Bandage and Smartphone.
Ahmed H, Liang Z. Design and Development of a Smartwatch App for Mood Tracking, Reflection and Regulation.
Senanayake A, Liang Z. CE-LAH: Contextualized Embeddings for Longitudinal Analysis of Human Anxiety.
Raj P, Liang Z. Design and Implementing a mHealth Application for Premenstrual Syndrome (PMS) Screening.
Karunarathna TS, Liang Z. Bottom-Up Feature Selection for Continuous Glucose Prediction Using Wearable Data.
We were honored to welcome Prof. Arthur Kleinman (Harvard Medical School, USA) and engage in inspiring discussions on health, care, and self-knowledge. [17 Sep 2025]
We gave the following presentations at the World Sleep 2025, the premier international meeting in sleep and circadian science and medicine. [9 Sep 2025]
Liang Z, Hoang N, Karunarathna T. Uncovering Sleep-Linked Glucose Dynamics in Healthy Individuals Using Wearable Data. (Acceptance rate for oral presentation = 14.3%)
Hoang N, Villeneuve J, Morrison H, Tu A, Karunarathna T, Hwang D, Chen S, Khotchasing K, Liang Z, Melcer E. Delivering Sleep Hygiene Interventions through Smartwatch-based Serious Sleep Games.
Liang Z, Chapa-Martell MA. Visualizing Temporal Patterns in Sleep Tracker Accuracy: A Novel Approach to Validating Consumer Sleep Technologies.
Liang Z. Improving Sleep Stage Classification from Consumer Wearables Using a Two-Level Machine Learning Framework with Selective Correction.
Liang Z. Unpacking the Discrepancy Between Subjective and Wearable-Measured Sleep: A Neurophysiological Perspective Using fNIRS.
Liang Z. Bedtime Stress and Prefrontal Cortex Hemodynamics During Sleep: A Pilot Study Using Wearable fNIRS and Salivary Biomarkers.
Hoang N, Liang Z. Interpretable Machine Learning Using Questionnaire Data: A Scalable Approach for Sleep Apnea Screening.
Our PhD student Ms. Nhung Huyen Hoang has been honored with the Young Investigator Award at the Asian Society of Sleep Medicine Congress (ASSM 2025), in recognition of her outstanding research achievements in digital sleep health. [7 Sep 2025]
We presented the following papers at the 73rd Annual Conference of Japanese Society for Engineering Education (JSEE) - International Session. [27 Aug 2025]
Liang Z, Melcer E. Fostering Knowledge Convergence: Pedagogical Value of International and Interdisciplinary Research Collaboration.
Hoang NH, Liang Z. Navigating Stress in Academic Life: An EDA Study of Stress Responses across Research Activities.
We gave the following presentations at the 2025 IEEE Conference on Computational Intelligence in Bioinformatics and Computational Biology. [23 Aug 2025]
Karunarathna T, Beten A, Lococo L, Baig A, Hoang N, Liang Z. Impact of Cross-Subject Distribution Shifts on Glucose Prediction Using Wearable Data.
Congratulations to our 2024 summer research intern Adam Saleh on being selected as the Winner of the 2025 OSU Student Impact Award! Well done, Adam — we’re proud of you! [28 July 2025]
Our group has entered into a joint research agreement with Kyoto Prefectural University of Medicine (Prof. Masahide Hamaguchi) and Nanoresearch Kyoto Co., LTD (CEO: Mr. Yasuhisa Fujii) to advance collaborative research in AI-powered FemTech. [21 July 2025]
Dr. Liang was invited to review for the Journal of Sleep Research, a leading journal in sleep science and medicine. [17 July 2025]
We were delighted to welcome Prof. Huanyu Larry Cheng (Penn State University, USA), who gave a talk entitled "Standalone Stretchable Device Platform for Biomedicine" in our Ubicomp Research Seminar series. We had fruitful discussion on the potential applications of stretchable sensors to physiological sensing and healthcare. [16 July 2025]
We were delighted to welcome Prof. Chee Siang Ang (Imperial College London/University of Kent, UK) and Prof. Alex Covaci (University of Kent, UK) to our lab. We had fruitful discussion on digital health and human-computer interaction (HCI). [14 July 2025]
Our following paper was accepted by Frontiers in Sleep, indexed by Scopus. Liang Z, Melcer E, Hoang HN, Khotchasing K. Sleep Hygiene Games and Gamification: Where Are We and Where Are We Heading? [14 July 2025]
Our following paper was accepted by Social Network Analysis and Mining (Q1), indexed by SCI, and Scopus. Priyadarshana YHPP, Liang Z, Piumarta I.GEM: Graph Attention Encoder for Multi-task Depression Severity Detection in Multi-party Conversations. [8 July 2025]
We hosted an open lab for Chairman Mr. Nagamori, which was made possible by the hard work of our lab members and our wonderful interns from The Ohio State University. [26 June 2025]
Our following paper was published by Comprehensive Psychoneuroendocrinology (Q2), indexed by PubMed, SCI, and Scopus. Marina Saskovets, Mykhailo Lohachov, Zilu Liang. Paralanguage as a Tool for Shaping Stress Response in Listeners: Multimodal Physiological Sensing Study. [20 June 2025]
Our following paper was published by SN Computer Science (Q2), indexed by Scopus. Priyadarshana YHPP, Liang Z, Piumarta I. Who Says What (WSW) 2.0 : Utterance Semantic Modelling for Speaker Identification in Text-Based Multi-Party Conversations. [16 June 2025]
Welcome 5 research interns from Ohio State University. They will be working on sleep game development and continuous glucose prediction with wearable devices. [16 May 2025]
Dr. Liang was invited to serve as a TPC member of the 19th International Conference on Health Informatics (HEALTHINF 2026). [12 June 2025]
Dr. Liang was invited to serve as a TPC member of the 2025 IEEE 14th Global Conference on Consumer Electronics (GCCE 2025). [29 May 2025]
Our following paper was published by Sensors (Q1), indexed by PubMed, SCI, and Scopus. Thilini Savindya Karunarathna , Zilu Liang. Development of Non-invasive Continuous Glucose Prediction Models Using Multi-Modal Wearable Sensors in Free-living Conditions. [18 May 2025]
Our following paper was published by Brain Sciences (Q2), indexed by PubMed, SCI, and Scopus. Marina Saskovets, Mykhailo Lohachov, Zilu Liang. Validation of a New Stress Induction Protocol using Speech Improvisation. [Indexed by WOS/Scopus]. [16 May 2025]
Dr. Liang was invited to serve as an external PhD thesis examiner for The University of Queensland, Australia. [15 May 2025]
Our following research proposal was accepted by the KUAS Advanced Research Grant (PI: Dr. Zilu Liang). Crushing Blood Sugar: Developing an AI-Powered Smartwatch System for Non-Invasive, High-Accuracy Glucose Monitoring in Daily life (スマートウォッチを活用した高精度・非侵襲型血糖モニタリングAIシステムの開発). [15 May 2025]
Dr. Liang was invited to serve as an grant reviewer for the Dutch Research Council (NWO, Dutch: Nederlandse Organisatie voor Wetenschappelijk Onderzoek ), the Netherlands. [8 April 2025]
The following student team from our lab was selected as a Finalist Team of the 2025 IEEE CIS Student Grand Competition on Computational Intelligence in Biomedicine and Healthcare. [30 April 2025]
Karunarathna TS, Hoang NH, Khurshe S, Beten A, Lococo M. GlucoPatrol: AI-Powered, Non-Invasive Smartwatch System for Continous Glucose Monitoring.
Our lab contributed 1 full paper and 4 workshop papers at the 2025 ACM CHI conference on Human Factors in Computing Systems (CHI 2025), the premier international conference of Human-Computer Interaction. [28 April 2025]
Main conference: Liang Z, Hwang D, Chen S, Hoang NH, Khotchasing K, Melcer EF. User Preferences for Interaction Timing in Smartwatch Sleep Hygiene Games. (Acceptance rate = 7.8%)
HCI+Health Workshop
Liang Z. Statistical Lessons Learned in Personal Informatics Research.
Liang Z, Hoang NH, Karunarathna T. A Pilot Study on Sensemaking of Consumer Micronutrient Tests: Sufficiencies, Deficiencies, and Barriers to Improvement.
Ahmed H, Liang Z. (2025) Wandering as CLOUDS: Designing Soft Nudges for Mood Logging and Reflection on Smartwatches.
Human-Centered Evaluation and Auditing of Language Models Workshop (HEAL@CHI'25)
Yapa HPPP, Senanayake A, Liang Z. (2025) PIFU: A novel framework to evaluate the interpretability of synthetic free-text explanations in digital mental health. (The Most Trending Paper Mention)
Our following paper was published by Frontiers in Digital Health (Q1), indexed by PubMed, SCI, and Scopus. Priyadarshana YHPP, Liang Z, Piumarta I. (2025) ExDoRA: Enhancing transferability of large language models for depression detection using free-text explanations. [28 April 2025]
Dr. Liang was invited to serve as an external grant reviewer for the Dutch Research Council (NWO, Dutch: Nederlandse Organisatie voor Wetenschappelijk Onderzoek ). [8 April 2025]
We gave the following presentation at The 48th Annual Meeting of the Japan Neuroscience Society. Saskovets M, Lohachov M, Liang Z. Towards Personalized Stress Monitoring: Multilevel and Machine Learning Models for Cortisol Prediction. [7 Apr 2025]
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