Yuhan Luo
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View article: Step-wise Adaptive Integration of Supervised Fine-tuning and Reinforcement Learning for Task-Specific LLMs
Step-wise Adaptive Integration of Supervised Fine-tuning and Reinforcement Learning for Task-Specific LLMs Open
Large language models (LLMs) excel at mathematical reasoning and logical problem-solving. The current popular training paradigms primarily use supervised fine-tuning (SFT) and reinforcement learning (RL) to enhance the models' reasoning ab…
View article: Customizing Emotional Support: How Do Individuals Construct and Interact With LLM-Powered Chatbots
Customizing Emotional Support: How Do Individuals Construct and Interact With LLM-Powered Chatbots Open
Personalized support is essential to fulfill individuals' emotional needs and sustain their mental well-being. Large language models (LLMs), with great customization flexibility, hold promises to enable individuals to create their own emot…
View article: Signaling Human Intentions to Service Robots: Understanding the Use of Social Cues during In-Person Conversations
Signaling Human Intentions to Service Robots: Understanding the Use of Social Cues during In-Person Conversations Open
As social service robots become commonplace, it is essential for them to effectively interpret human signals, such as verbal, gesture, and eye gaze, when people need to focus on their primary tasks to minimize interruptions and distraction…
View article: StayFocused: Examining the Effects of Reflective Prompts and Chatbot Support on Compulsive Smartphone Use
StayFocused: Examining the Effects of Reflective Prompts and Chatbot Support on Compulsive Smartphone Use Open
Amidst the increasingly prevalent smartphone addiction, we introduce StayFocused, a mobile app to help people focus on their tasks at hand by reducing compulsive smartphone use. Besides guiding people to set focus sessions for non-screen t…
View article: Emotion Embodied: Unveiling the Expressive Potential of Single-Hand Gestures
Emotion Embodied: Unveiling the Expressive Potential of Single-Hand Gestures Open
Hand gestures are widely used in daily life for expressing emotions, yet gesture input is not part of existing emotion tracking systems. To seek a practical and effortless way of using gestures to inform emotions, we explore the relationsh…
View article: Study on the human-brain confusion levels and corresponding EEG levels
Study on the human-brain confusion levels and corresponding EEG levels Open
Confusion is a state in which an individual is not clear about the situation at hand, does not understand the logic of the matter, or cannot arrive at a reasoned outcome. When people are confused, they often make poor decisions or even fai…
View article: FoodScrap: Promoting Rich Data Capture and Reflective Food Journaling Through Speech Input
FoodScrap: Promoting Rich Data Capture and Reflective Food Journaling Through Speech Input Open
The factors influencing people's food decisions, such as one's mood and eating environment, are important information to foster self-reflection and to develop personalized healthy diet. But, it is difficult to consistently collect them due…
View article: The SleepFit Tablet Application for Home-Based Clinical Data Collection in Parkinson Disease: User-Centric Development and Usability Study
The SleepFit Tablet Application for Home-Based Clinical Data Collection in Parkinson Disease: User-Centric Development and Usability Study Open
Background Parkinson disease (PD) is a common, multifaceted neurodegenerative disorder profoundly impacting patients' autonomy and quality of life. Assessment in real-life conditions of subjective symptoms and objective metrics of mobility…
View article: Interrelationships Between Patients’ Data Tracking Practices, Data Sharing Practices, and Health Literacy: Onsite Survey Study
Interrelationships Between Patients’ Data Tracking Practices, Data Sharing Practices, and Health Literacy: Onsite Survey Study Open
Background Although the use of patient-generated data (PGD) in the optimization of patient care shows great promise, little is known about whether patients who track their PGD necessarily share the data with their clinicians. Meanwhile, he…
View article: Interrelationships Between Patients’ Data Tracking Practices, Data Sharing Practices, and Health Literacy: Onsite Survey Study (Preprint)
Interrelationships Between Patients’ Data Tracking Practices, Data Sharing Practices, and Health Literacy: Onsite Survey Study (Preprint) Open
BACKGROUND Although the use of patient-generated data (PGD) in the optimization of patient care shows great promise, little is known about whether patients who track their PGD necessarily share the data with their clinicians. Meanwhile, h…
View article: The SleepFit Tablet Application for Home-Based Clinical Data Collection in Parkinson Disease: User-Centric Development and Usability Study (Preprint)
The SleepFit Tablet Application for Home-Based Clinical Data Collection in Parkinson Disease: User-Centric Development and Usability Study (Preprint) Open
BACKGROUND Parkinson disease (PD) is a common, multifaceted neurodegenerative disorder profoundly impacting patients' autonomy and quality of life. Assessment in real-life conditions of subjective symptoms and objective metrics of mobilit…
View article: A New Prospective, Home-Based Monitoring of Motor Symptoms in Parkinson’s Disease
A New Prospective, Home-Based Monitoring of Motor Symptoms in Parkinson’s Disease Open
Regular, prospective monitoring of motor symptoms is suitable in PD patients. SleepFit might be a useful tool in routine practice to identify patients tending to under- or overestimate their symptoms, and for their follow-up.
View article: OneNote Meal: A Photo-Based Diary Study for Reflective Meal Tracking.
OneNote Meal: A Photo-Based Diary Study for Reflective Meal Tracking. Open
When a self-monitoring tool is used to enhance behavior awareness, the tool should afford reflection by design. This work examines the "valence of meal" (i.e., healthy versus unhealthy meal) as a means to support reflection on a person's d…
View article: Multimodal human-machine interface devices in the cloud
Multimodal human-machine interface devices in the cloud Open
In an increasingly connected and multidisciplinary world, we propose a new paradigm of web application development. It makes the whatever modal input to use the same interface to connect to the applications. It can essentially free the web…
View article: Understanding Enzyme Activity Using Single Molecule Tracking (Poster)
Understanding Enzyme Activity Using Single Molecule Tracking (Poster) Open
This poster describes single-molecule tracking and total internal reflection fluorescence microscopy. It discusses whether the carbohydrate-binding module (CBM) moves on cellulose, how the CBM binds to cellulose, and the mechanism of cellu…
View article: Making Space for the Quality Care
Making Space for the Quality Care Open
Insomnia can drastically affect individuals' overall well-being and work performance, with substantial costs to society and industry. Cognitive behavioral therapy for insomnia (CBT-I) is a psychotherapeutic treatment, which requires patien…