Sangyoon Lee

Sangyoon Lee
Connecticut College · Computer Science

BS, MS, MFA, PhD

About

17
Publications
5,094
Reads
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184
Citations
Additional affiliations
August 2007 - present
University of Illinois at Chicago
Position
  • Project LifeLike
Education
August 2006
University of Illinois at Chicago
Field of study
  • Computer Science
August 2003 - May 2006
University of Illinois at Chicago
Field of study
  • Electronic Visualization
August 1997 - August 1999
Yonsei University
Field of study
  • Architectural Engineering

Publications

Publications (17)
Article
An embodied conversational agent can serve as a relational agent and provide information, motivation, and behavioral skills. To evaluate the feasibility, acceptability, and preliminary efficacy of My Personal Health Guide, a theory-based mobile-delivered embodied conversational agent intervention to improve adherence to antiretroviral therapy in yo...
Article
Full-text available
Background: Avatars and embodied agents are a promising innovation for human health intervention because they may serve as a relational agent that might augment user engagement in a behavioral change intervention and motivate behavioral change such as antiretroviral adherence and retention in care. Objective: This study aimed to develop a theory...
Conference Paper
The study presented in this paper focuses on a relational, educational, and motivational virtual human (VH) mobile phone application for African American men who have sex with men (AAMSM). This project targets on increasing adherence to HIV medication and on improving the proportion of HIV-infected persons engaged in care by developing a theory-bas...
Conference Paper
The study presented in this paper focuses on a dimensional theory to augment agent nonverbal behavior including emotional facial expression and head gestures to evaluate subtle differences in fine-grained conditions in the context of emotional storytelling. The result of a user study in which participants rated perceived naturalness for seven diffe...
Article
As virtual experiences are increasingly used in health care training and research, it is important that adequate processes are applied for developing valid scenarios. We describe the development and validation of virtual human (VH) vignettes, computer-generated scenarios with animated patients and clinical information, for a mixed-methods study reg...
Article
Introduction/Background: Our aim is to describe the development and validation of virtual human (VH) vignettes to elicit nurses responses regarding pain management in the pediatric intensive care unit (PICU). The vignettes were used in a mixed-Methods study in which PICU nurses pain assessment and intervention choices were compared for children wit...
Conference Paper
Pediatric intensive care (PICU) nurses play a crucial role in managing children’s pain. While virtual patient (VP) technology has shown significant benefits in assisting with the practice of healthcare, there has been little research effort in this particular setting. This paper presents a pilot evaluation study to determine the validity of VP vign...
Article
Full-text available
This article describes research to build an embodied conversational agent (ECA) as an interface to a question-and-answer (Q/A) system about a National Science Foundation (NSF) program. We call this ECA the LifeLike Avatar, and it can interact with its users in spoken natural language to answer general as well as specific questions about specific to...
Conference Paper
Full-text available
The vector clock is an important mechanism to track logical time and causality in distributed systems. Vector clocks incur an overhead of n integers on each message, where n is the number of processes in the system. The incremental vector clock technique attaches only the changed components of the vector clock to a message. This technique to reduce...
Conference Paper
Full-text available
We present the design and process of an interactive high-resolution visualization system for diverse and distributed real-world geological core drilling expeditions. The high domain knowledge barrier makes it difficult for a person who is outside this field to imagine the user experience, and the globally distributed core drilling community imposes...
Conference Paper
Full-text available
The human ability to express and recognize emotions plays an important role in face-to-face communication, and as technology advances it will be increasingly important for computer-generated avatars to be similarly expressive. In this paper, we present the detailed development process for the Lifelike Responsive Avatar Framework (LRAF) and a protot...
Conference Paper
Full-text available
In this paper, we propose an immersive empathic design method and used it to create an interactive high-resolution core visualization system for real-world geological core drilling expeditions. A high domain knowledge barrier makes it difficult for a person from outside this field to imagine the user experience simply through observation. The globa...
Article
Full-text available
The development of avatars has significant potential to enhance realism, automation capability, and effectiveness across a variety of training environments. Project Lifelike is a three-year National Science Foundation effort whose objective is to develop and evaluate realistic avatar interfaces as portals to intelligent programs capable of relaying...
Conference Paper
Full-text available
While many visualization tools exist that offer sophisticated functions for charting complex data, they still expect users to possess a high degree of expertise in wielding the tools to create an effective visualization. This paper presents Articulate, an attempt at a semi-automated visual analytic model that is guided by a conversational user inte...

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