Conference presentations and invited talks, most recent first.
Conference Presentations
2026 · May
Predicting multi-cancer risk from EHR data using multi-agent LLMs
American Society of Clinical Oncology (ASCO) · Chicago, IL · Oral presentation
TrajOnco estimated one-year risk across 15 cancer types directly from longitudinal EHR, with AUROCs of 0.64–0.80.
2026 · May
Zero-shot lung cancer risk prediction from longitudinal electronic health records with chain-of-agents framework
International Society for Pharmacoeconomics and Outcomes Research (ISPOR) · Philadelphia, PA · Poster
AUROC 0.871 (95% CI 0.855–0.885) with no model training or feature engineering.
2026 · May
Characterizing oncology patient journeys and health state transitions using a data-driven Markov transition matrix in large-scale electronic health records
International Society for Pharmacoeconomics and Outcomes Research (ISPOR) · Philadelphia, PA · Poster
2026 · May
Can a generative patient journey foundation model alleviate the burden of cancer screening?
International Society for Pharmacoeconomics and Outcomes Research (ISPOR) · Philadelphia, PA · Poster
Evaluated on 1.42M patient records across four cancer types: specificity 0.89–0.98, NPV 0.85–0.94, with no labeled training data.
2026 · May
Patient journey foundation model for scalable imputation of missing units of measurement in electronic health records data
International Society for Pharmacoeconomics and Outcomes Research (ISPOR) · Philadelphia, PA · Poster
98% accuracy imputing missing or incorrect units of measure across 438 unique UCUM units.
2025 · Nov
Predicting early-onset colorectal cancer with large language models
American Medical Informatics Association (AMIA) · Atlanta, GA · Paper
Fine-tuned LLM reached 73% sensitivity at 91% specificity across 1,953 patients.
2025 · May
Development and validation of machine learning risk prediction models for detection of early-onset colorectal cancer: Data from 30 health systems in the United States
American Society of Clinical Oncology (ASCO) · Chicago, IL · Poster
2024 · Aug
ChatGPT vs. machine learning: Assessing the efficacy and accuracy of large language models for automated essay scoring
Joint Statistical Meetings (JSM) · Portland, OR · Paper
2024 · Apr
Enhancing factor analysis: Evaluating factor retention accuracy with measurement error
American Educational Research Association (AERA) · Philadelphia, PA · Paper
2024 · Mar
Assessing essay grading with machine learning and large language models: A comparative study on efficacy and accuracy
Association for Education Finance & Policy (AEFP) · Baltimore, MD · Paper
2023 · Jul
Exploratory measurement modeling with Lasso
International Meeting of the Psychometric Society (IMPS) · College Park, MD · Paper
2023 · Apr
Exploratory measurement modeling with Lasso
National Council on Measurement in Education (NCME) · Chicago, IL · Paper
2022 · Apr
Strive to survive in a pandemic in a foreign country: Korean international students’ well-being during COVID-19
American Educational Research Association (AERA) · San Diego, CA · Paper
2021 · Jun
Measuring item process data with network analysis methods
National Council on Measurement in Education (NCME) · Online · Paper
2021 · Apr
Examining differences in the retention and mobility of teachers of color by racial/ethnic group
American Educational Research Association (AERA) · Online · Paper
2021 · Apr
Understanding the role of academic achievement and psychosocial factors on adolescent depression: A latent growth model
American Educational Research Association (AERA) · Online · Paper
2021 · Apr
What does it mean to be an Asian in a pandemic? Exploring experiences of racism and discrimination among Asian international students in the United States during COVID-19
American Educational Research Association (AERA) · Online · Paper
2020 · Apr
Executive function difficulty, self-esteem, happiness, gender, and parent’s income as the predictors of digital addiction
American Educational Research Association (AERA) · San Francisco, CA · Paper accepted; conference canceled
2020 · Apr
What makes them happy? A qualitative study on Korean international graduate students’ experiences and psychological well-being
American Educational Research Association (AERA) · San Francisco, CA · Paper accepted; conference canceled
2020 · Apr
Understanding the role of academic achievement and psychosocial factors on adolescent depression: A latent growth model
Korean-American Educational Researchers Association (KAERA) · San Francisco, CA · Paper accepted; conference canceled
2020 · Apr
The effectiveness of focusing art therapy on PTSD and cultural adjustment among North Korean refugee girls
Korean-American Educational Researchers Association (KAERA) · San Francisco, CA · Paper accepted; conference canceled
2019 · Apr
Trajectories of parents’ socioeconomic status, child-parent interaction, children’s self-control, school readiness, and academic performance
American Educational Research Association (AERA) · Toronto, ON · Paper
2019 · Apr
What makes them happy? Korean international graduate students’ personal and professional experiences and emotional health
Korean-American Educational Researchers Association (KAERA) · Toronto, ON · Paper
2019 · Mar
What makes them happy? Asian international graduate students’ personal and professional experiences and emotional health
ACPA – College Student Educators International · Boston, MA · Paper
2017 · Apr
A meta-analysis of noncognitive factors and community college student success at 4-year institutions
American Educational Research Association (AERA) · San Antonio, TX · Paper
2017 · Apr
Do noncognitive interventions enhance community college student success? A systematic review and meta-analysis
American Educational Research Association (AERA) · San Antonio, TX · Paper
2017 · Apr
Self-kindness in the face of criticism: Self-compassion influences undergraduates’ perceptions of constructive feedback
American Educational Research Association (AERA) · San Antonio, TX · Paper
2016 · Aug
A meta-analysis of noncognitive factors and community college transfer student success at four-year institutions
Texas Higher Education Symposium · Austin, TX · Paper
2016 · Apr
Psychosocial and self-regulatory correlates of community college student success: A systematic review and meta-analysis
American Educational Research Association (AERA) · Washington, DC · Paper
2016 · Apr
Making feedback constructive: The interplay of undergraduates’ mastery goal orientation with feedback specificity and friendliness
American Educational Research Association (AERA) · Washington, DC · Paper
2016 · Apr
Make up your mind: A person-centered approach to growth and fixed mindsets among Chinese undergraduates
Chinese American Educational Research & Development Association (CAERDA) · Washington, DC · Paper
2016 · Mar
A meta-analysis on critical thinking and community college student achievement
Council for the Study of Community Colleges (CSCC) · Plano, TX · Paper
Invited Talks
2026 · May
Research with healthcare databases
AI in Therapeutic Science, Gachon University · South Korea (online) · Invited talk
2026 · Jan
Clinical AI research with large-scale healthcare data
Healthcare Simulation and Optimization Lab, Incheon National University · South Korea (online) · Invited talk
2024 · Nov
Large language model research in education
VIP Data-Driven Education program, Georgia Institute of Technology · Atlanta, GA (online) · Invited talk
2023 · Oct
Modern prediction algorithms for factor analyses: Comparing accuracy-efficiency trade-offs
Mathematical Sciences Research Seminar, Bentley University · Waltham, MA (online) · Invited talk
2023 · Oct
Enhancing factor analysis: Evaluating factor retention accuracy with measurement error
CARES Lab, Harvard Graduate School of Education / Harvard Department of Statistics · Cambridge, MA · Invited talk
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