Rayoung Yang

Rayoung Yang
University of Michigan | U-M · School of Information

About

12
Publications
5,345
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715
Citations

Publications

Publications (12)
Conference Paper
This paper presents findings from a field deployment that explored a design approach we call eco-coaching: giving personalized suggestions for specific actions that would reduce wasted energy. We studied ThermoCoach, which performs eco-coaching for thermostat scheduling. It senses and models occupancy patterns in a home, and provides occupants alte...
Conference Paper
Personal informatics systems are becoming increasingly prevalent as their price, form, and ease of use improves. Though these systems offer great potential value to users, many systems are hampered by issues that limit their ability to foster engagement, and people often abandon use of these systems without garnering meaningful outcomes. While cont...
Conference Paper
Full-text available
Thermostats have the potential for tremendous impact on global energy consumption, but unfortunately they are often not used effectively. In this paper, we present a new system called ThermoCoach that improves thermostat usability by giving personalized and actionable recommendations for thermostat use. The system senses human occupancy patterns in...
Conference Paper
Full-text available
Personal tracking technologies allow users to monitor and reflect on their physical activities and fitness. However, users are uncertain about how accurately their devices track their data. In order to better understand this challenge, we analyzed 600 product reviews and conducted 24 interviews with tracking device users. In this paper, we describe...
Conference Paper
For decades, researchers have investigated ways to infer human thermal comfort. Studies have usually required cumbersome sensors and human observers, making them inappropriate for use in naturalistic settings such as the home. Emerging wearable and smart home sensing devices offer the opportunity to develop new models of thermal comfort based on da...
Conference Paper
Full-text available
As sensing and actuation technologies grow more widespread, smart home infrastructures will become both feasible and flexible in supporting multiple applications. The development of these " smart home technologies " have been investigated by diverse fields spanning technical, sociological, and health-oriented disciplines, attempting to meet varying...
Conference Paper
Full-text available
As sensing and actuation technologies grow more widespread, smart home infrastructures will become both feasible and flexible in supporting multiple applications. The development of these "smart home technologies" have been investigated by diverse fields spanning technical, sociological, and health-oriented disciplines, attempting to meet varying u...
Article
The smart home is here. One area where smart home devices promise to deliver great benefits is in the control of home heating, ventilation, and cooling (HVAC) systems. In this paper, we seek to inform the design of future heating and cooling systems by investigating users' experiences with the Nest Learning Thermostat, a commercially available smar...
Conference Paper
Full-text available
Everyday systems and devices in the home are becoming smarter. In order to better understand the challenges of deploying an intelligent system in the home, we studied the experience of living with an advanced thermostat, the Nest. The Nest utilizes machine learning, sensing, and networking technology, as well as eco-feedback features. We conducted...
Conference Paper
Full-text available
In order to better understand the opportunities and challenges of an intelligent system in the home, we studied the lived experience of a thermostat, the Nest. The Nest utilizes machine learning, sensing, and networking technology, as well as eco-feedback features. To date, we have conducted six interviews and one diary study. Our findings show tha...
Article
Much of the information designed to help people navigate the built environment is conveyed through visual channels, which means it is not accessible to people with visual impairments. Due to this limitation, travelers with visual impairments often have difficulty navigating and discovering locations in unfamiliar environments, which reduces their s...
Conference Paper
Full-text available
In this paper, we investigate the requirements for designing systems to support wayfinding for visually impaired individuals. We report the results of an interview study with 20 individuals with visual impairments, asking about their way-finding tools, techniques, and obstacles. Our findings provide an account of the practices followed when navigat...

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