Publications | Kisung You
Publications
library(yaml)Warning: package 'yaml' was built under R version 4.5.2escape_html <- function(x) {
x <- as.character(x)
x <- gsub("&", "&", x, fixed = TRUE)
x <- gsub("<", "<", x, fixed = TRUE)
x <- gsub(">", ">", x, fixed = TRUE)
x <- gsub('"', """, x, fixed = TRUE)
x
}
has_value <- function(x) {
!is.null(x) && length(x) > 0 && !is.na(x) && nzchar(as.character(x))
}
field <- function(x, name, default = "") {
if (has_value(x[[name]])) x[[name]] else default
}
fmt_authors <- function(authors) {
if (is.null(authors) || length(authors) == 0) return("")
authors <- ifelse(authors == "me", "<strong>KY</strong>", escape_html(authors))
paste(authors, collapse = ", ")
}
fmt_links <- function(p) {
links <- c()
if (has_value(p$published_url)) {
links <- c(links, sprintf("<a href='%s'>[paper]</a>", escape_html(p$published_url)))
}
if (has_value(p$preprint)) {
links <- c(links, sprintf("<a href='%s'>[preprint]</a>", escape_html(p$preprint)))
}
if (has_value(p$github)) {
links <- c(links, sprintf("<a href='%s'>[code]</a>", escape_html(p$github)))
}
if (length(links) == 0) return("")
paste0("<span class='pub-links'>", paste(links, collapse = " "), "</span>")
}
print_pub <- function(p) {
title <- escape_html(field(p, "title"))
authors <- fmt_authors(p$authors)
venue <- escape_html(field(p, "venue"))
year <- field(p, "year")
links <- fmt_links(p)
cat("<div class='pub'>\n")
cat(sprintf("<div class='pub-title'>%s %s</div>\n", title, links))
if (nzchar(authors)) {
cat(sprintf("<div class='pub-authors'>%s</div>\n", authors))
}
if (nzchar(venue)) {
if (has_value(year)) {
cat(sprintf("<div class='venue'>%s, %s.</div>\n", venue, year))
} else {
cat(sprintf("<div class='venue'>%s.</div>\n", venue))
}
}
cat("</div>\n\n")
}
pubs <- yaml::read_yaml("list_publication.yaml")Warning in readLines(file, warn = readLines.warn): incomplete final line found
on 'list_publication.yaml'pubs <- pubs[order(sapply(pubs, function(x) as.numeric(field(x, "year", 0))), decreasing = TRUE)]
groups <- list(
preprint = "Preprints",
journal = "Journal articles",
conference = "Conference papers",
technical = "Technical reports"
)
for (flag in names(groups)) {
items <- Filter(function(x) identical(field(x, "flag"), flag), pubs)
if (length(items) == 0) next
cat(sprintf("\n## %s\n\n", groups[[flag]]))
if (flag == "preprint") {
visible <- head(items, 8)
hidden <- if (length(items) > 8) items[9:length(items)] else list()
for (p in visible) print_pub(p)
if (length(hidden) > 0) {
cat("<details><summary>show more</summary>\n\n")
for (p in hidden) print_pub(p)
cat("</details>\n\n")
}
} else {
years <- sort(unique(sapply(items, function(x) as.numeric(field(x, "year", NA)))), decreasing = TRUE)
years <- years[!is.na(years)]
for (yr in years) {
cat(sprintf("\n### %s\n\n", yr))
these <- Filter(function(x) as.numeric(field(x, "year", NA)) == yr, items)
for (p in these) print_pub(p)
}
}
}Preprints
Fast Computation of Free-Support Wasserstein Medians [preprint]
Barycentric Projections of Optimal Transport Plans on Riemannian Manifolds [preprint]
Density Evolution: A Multiscale View of Density Estimation [preprint]
Scale-Calibrated Median-of-Means for Robust Distributed Principal Component Analysis [preprint]
Scale selection for geometric medians on product manifolds [preprint]
Intrinsic effective sample size for manifold-valued Markov chain Monte Carlo via kernel discrepancy [preprint]
Profile Likelihood Inference for Anisotropic Hyperbolic Wrapped Normal Models on Hyperbolic Space [preprint]
Quotient-Based Posterior Analysis for Euclidean Latent Space Models [preprint]
show more
On Heterogeneity in Wasserstein Space [preprint]
Finite Mixture Modeling with Riemannian Gaussian Distributions on Hyperbolic Space [preprint]
A Particle-Flow Algorithm for Free-Support Wasserstein Barycenters [preprint]
Journal articles
2026
Learning over von Mises-Fisher Distributions via a Wasserstein-like Geometry [paper] [preprint] [code]
Statistics and Computing, 2026.
Antiplatelet Resumption Timing in Post-Percutaneous Coronary Intervention Gastrointestinal Bleeding [paper]
Alimentary Pharmacology & Therapeutics, 2026.
Geometric medians on product manifolds [paper] [preprint]
Journal of Multivariate Analysis, 2026.
2025
On the Wasserstein median of probability measures [paper] [preprint]
Journal of Computational and Graphical Statistics, 2025.
Expert of Experts Verification and Alignment (EVAL) Framework for Large Language Models Safety in Gastroenterology [paper]
npj Digital Medicine, 2025.
Scalable geometric learning with correlation-based functional brain networks [paper] [preprint] [code]
Scientific Reports, 2025.
Usability and adoption in a randomized trial of GutGPT a GenAI tool for gastrointestinal bleeding [paper]
npj Digital Medicine, 2025.
2024
Systematic review: The use of large language models as medical chatbots in digestive diseases [paper]
Alimentary Pharmacology & Therapeutics, 2024.
Bayesian Optimal Two-sample Tests for High-dimensional Gaussian Populations [paper] [preprint]
Bayesian Analysis, 2024.
Adoption of a gastroenterology hospitalist model and the impact on inpatient endoscopic practice volume: a controlled interrupted time-series analysis [paper]
iGIE, 2024.
Detection of Gastrointestinal Bleeding with Large Language Models to Aid Quality Improvement and Appropriate Reimbursement [paper]
Gastroenterology, 2024.
Predicting response to non-selective beta-blockers with liver–spleen stiffness and heart rate in patients with liver cirrhosis and high-risk varices [paper]
Hepatology International, 2024.
Optimizing large language models in digestive disease: strategies and challenges to improve clinical outcomes [paper]
Liver International, 2024.
Validation of an Electronic Health Record–Based Machine Learning Model Compared With Clinical Risk Scores for Gastrointestinal Bleeding [paper]
Gastroenterology, 2024.
2023
Single-cell analysis reveals inflammatory interactions driving macular degeneration [paper]
Nature Communications, 2023.
Evaluating ChatGPT in Medical Contexts: The Imperative to Guard Against Hallucinations and Partial Accuracies [paper]
Clinical Gastroenterology and Hepatology, 2023.
2022
Parameter estimation and model-based clustering with spherical normal distribution on the unit hypersphere [paper] [preprint] [code]
Computational Statistics and Data Analysis, 2022.
Rdimtools: An R package for Dimension Reduction and Intrinsic Dimension Estimation [paper] [preprint] [code]
Software Impacts, 2022.
Learning Subspaces of Different Dimensions [paper] [preprint] [code]
Journal of Computational and Graphical Statistics, 2022.
2021
2020
Data transforming augmentation for heteroscedastic models [paper] [preprint]
Journal of Computational and Graphical Statistics, 2020.
2019
Volume change pattern of decompression of mandibular odontogenic keratocyst [paper]
Maxillofacial Plastic and Reconstructive Surgery, 2019.
2016
Vision-based detection of loosened bolts using the Hough transform and support vector machines [paper]
Automation in Construction, 2016.
Conference papers
2024
Human-Algorithmic Interaction Using a Large Language Model-Augmented Artificial Intelligence Clinical Decision Support System [paper]
CHI Conference on Human Factors in Computing Systems, 2024.
2023
On the Spherical Laplace Distribution [paper] [preprint]
International Conference on Information Fusion (FUSION), 2023.
Assessing the Usability of GutGPT: A Simulation Study of an AI Clinical Decision Support System for Gastrointestinal Bleeding Risk [preprint]
Machine Learning for Health (ML4H) Symposium, 2023.
2022
Network Distance Based on Laplacian Flows on Graphs [paper] [preprint] [code]
IEEE International Conference on Big Data (Big Data), 2022.
Technical reports
2026
Constant Metric Scaling in Riemannian Computation [preprint]
2025
Semantics at an Angle: When Cosine Similarity Works Until It Doesn’t [preprint]
2023
PCA, SVD, and Centering of Data [preprint]
2022
Comparing multiple latent space embeddings using topological analysis [preprint] [code]
2021
Shape-Preserving Dimensionality Reduction : An Algorithm and Measures of Topological Equivalence [preprint]