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Hong Yu

53 accepted papers

2026

ChatCLIDS: Simulating Persuasive AI Dialogues to Promote Closed-Loop Insulin Adoption in Type 1 Diabetes Care

AAAI 2026technical

Real-world adoption of closed-loop insulin delivery systems (CLIDS) in type 1 diabetes remains low, driven not by technical failure, but by diverse behavioral, psychosocial, and social barriers. We introduce ChatCLIDS, the first benchmark to rigorously evaluate LLM–driven persuasive dialogue for hea

Cited by 0SourcePDFScholar
2026

From Where Things Are to What They Are For: Benchmarking Spatial-Functional Intelligence in Multimodal LLMs

CVPR 2026

Human-level agentic intelligence extends beyond low-level geometric perception, evolving from recognizing where things are to understanding what they are for. While existing benchmarks effectively evaluate the geometric perception capabilities of multimodal large language models (MLLMs), they fall s

Cited by 0SourceScholar
2026

Medical thinking with multiple images

ICLR 2026poster

Large language models and vision-language models score high on many medical QA benchmarks; however, real-world clinical reasoning remains challenging because cases often involve multiple images and require cross-view fusion. We present MedThinkVQA, a benchmark that asks models to think with multiple…

Cited by 6SourcecodeScholar
2026

PRIME: Planning and Retrieval-Integrated Memory for Enhanced Reasoning

AAAI 2026technical

Inspired by the dual-process theory of human cognition from Thinking, Fast and Slow, we introduce PRIME (Planning and Retrieval-Integrated Memory for Enhanced Reasoning), a multi-agent reasoning framework that dynamically integrates System 1 (fast, intuitive thinking) and System 2 (slow, deliberate

Cited by 0SourcePDFScholar
2026

Semantic-Augmented Image Clustering via Adaptive Multi-Modal Collaboration

AAAI 2026technical

Image clustering is a fundamental task in unsupervised visual learning. While recent self-supervised methods have explored various pretext tasks to generate supervision signals for clustering, they typically depend exclusively on raw images, resulting in insufficient supervision signals that are inh

Cited by 0SourcePDFScholar
2026

TAO-Attack: Toward Advanced Optimization-Based Jailbreak Attacks for Large Language Models

ICLR 2026poster

Large language models (LLMs) have achieved remarkable success across diverse applications but remain vulnerable to jailbreak attacks, where attackers craft prompts that bypass safety alignment and elicit unsafe responses. Among existing approaches, optimization-based attacks have shown strong effect…

Cited by 0SourcecodeScholar
2026

When Attributes Disagree: Gradient Conflict in Image Aesthetic Assessment

ICML 2026spotlight

Image Aesthetic Assessment (IAA) predicts an image’s overall aesthetic score, yet aesthetic is influenced by multiple attributes whose relative importance varies with image content and usage scenarios. Under end-to-end training with only overall-score supervision, attribute signals are blended, whic…

Cited by 0SourceScholar
2025

AdaDHP: Fine-Grained Fine-Tuning via Dual Hadamard Product and Adaptive Parameter Selection

ACL 2025long

With the continuously expanding parameters, efficiently adapting large language models to downstream tasks is crucial in resource-limited conditions. Many parameter-efficient fine-tuning methods have emerged to address this challenge. However, they lack flexibility, like LoRA requires manually selec…

Cited by 0SourcePDFScholar
2025

Chatbot To Help Patients Understand Their Health

EMNLP 2025

Patients must possess the knowledge necessary to actively participate in their care. To this end, we developed NoteAid-Chatbot, a conversational AI designed to help patients better understand their health through a novel framework of learning as conversation. We introduce a new learning paradigm tha

2025

DischargeSim: A Simulation Benchmark for Educational Doctor–Patient Communication at Discharge

EMNLP 2025

Discharge communication is a critical yet underexplored component of patient care, where the goal shifts from diagnosis to education. While recent large language model (LLM) benchmarks emphasize in-visit diagnostic reasoning, they fail to evaluate models’ ability to support patients after the visit.

Cited by 0SourcePDFScholar
2025

Evaluating Evaluation Metrics – The Mirage of Hallucination Detection

EMNLP 2025

Hallucinations pose a significant obstacle to the reliability and widespread adoption of language models, yet their accurate measurement remains a persistent challenge. While many task- and domain-specific metrics have been proposed to assess faithfulness and factuality concerns, the robustness and

Cited by 0SourcePDFScholar
2025

From Scores to Steps: Diagnosing and Improving LLM Performance in Evidence-Based Medical Calculations

EMNLP 2025

Large language models (LLMs) have demonstrated promising performance on medical benchmarks; however, their ability to perform medical calculations, a crucial aspect of clinical decision-making, remains underexplored and poorly evaluated. Existing benchmarks often assess only the final answer with a

Cited by 0SourcePDFScholar
2025

HQA-VLAttack: Towards High Quality Adversarial Attack on Vision-Language Pre-Trained Models

NeurIPS 2025poster

Black-box adversarial attack on vision-language pre-trained models is a practical and challenging task, as text and image perturbations need to be considered simultaneously, and only the predicted results are accessible. Research on this problem is in its infancy, and only a handful of methods are a…

Cited by 0SourceScholar
2025

MCQG-SRefine: Multiple Choice Question Generation and Evaluation with Iterative Self-Critique, Correction, and Comparison Feedback

NAACL 2025long

Automatic question generation (QG) is essential for AI and NLP, particularly in intelligent tutoring, dialogue systems, and fact verification. Generating multiple-choice questions (MCQG) for professional exams, like the United States Medical Licensing Examination (USMLE), is particularly challenging…

2025

MedCOD: Enhancing English-to-Spanish Medical Translation of Large Language Models Using Enriched Chain-of-Dictionary Framework

EMNLP 2025

We present MedCOD (Medical Chain-of-Dictionary), a hybrid framework designed to improve English-to-Spanish medical translation by integrating domain-specific structured knowledge into large language models (LLMs). MedCOD integrates domain-specific knowledge from both the Unified Medical Language Sys

Cited by 0SourcePDFScholar
2025

Multi-Label Few-Shot Image Classification via Pairwise Feature Augmentation and Flexible Prompt Learning

AAAI 2025technical

Multi-label few-shot image classification is a crucial and challenging task due to limited annotated data and elusive category specificity. However, research on this topic is still in the rudimentary stage and few methods are available. Existing methods either leverage data augmentation to alleviate…

Cited by 0SourcePDFScholar
2025

Non-Autoregressive Image Captioning with Multi-Label Classification and Self-Critical Sequence Training

ICASSP 2025accepted

Most current image captioning models rely on the autoregressive approach, which unfortunately results in significant inference delays that hinder their practical use. In contrast, non-autoregressive methods show promising potential for increasing inference speeds. However, there is often a performan…

Cited by 0SourceScholar
2025

Pairwise Prompt-Based Tuning with Parameter Efficient Fast Adaptation for Generalized Zero-Shot Intent Detection

NAACL 2025findings

Generalized zero-shot intent detection (GZID) aims to recognize the labels of utterances from both seen and unseen intents by utilizing the knowledge learned from seen intents. Enhancing the generalization ability from seen intents to unseen intents is a key challenge in the GZID setting. Existing m…

Cited by 0SourcePDFScholar
2025

RADAR: Benchmarking Language Models on Imperfect Tabular Data

NeurIPS 2025poster

Language models (LMs) are increasingly being deployed to perform autonomous data analyses. However, their data awareness—the ability to recognize, reason over, and appropriately handle data artifacts such as missing values, outliers, and logical inconsistencies—remains underexplored. These artifacts…

Cited by 0SourcecodeScholar
2025

RARE: Retrieval-Augmented Reasoning Enhancement for Large Language Models

ACL 2025long

This work introduces RARE (Retrieval-Augmented Reasoning Enhancement), a versatile extension to the mutual reasoning framework (rStar), aimed at enhancing reasoning accuracy and factual integrity across large language models (LLMs) for complex, knowledge-intensive tasks such as medical and commonsen…

2025

SEP-MLDC: A Simple and Effective Paradigm for Multi-Label Document Classification

NAACL 2025findings

Multi-label document classification (MLDC) aims to allocate more than one label to each document and attracts increasing attention in many practical applications. However, previous studies have failed to pay sufficient attention to the lack of semantic information on labels and the long-tail problem…

Cited by 0SourcePDFScholar
2025

Synth-SBDH: A Synthetic Dataset of Social and Behavioral Determinants of Health for Clinical Text

EMNLP 2025

Social and behavioral determinants of health (SBDH) play a crucial role in health outcomes and are frequently documented in clinical text. Automatically extracting SBDH information from clinical text relies on publicly available good-quality datasets. However, existing SBDH datasets exhibit substant

2024

Depression Detection via Capsule Networks with Contrastive Learning

AAAI 2024technical

Depression detection is a challenging and crucial task in psychological illness diagnosis. Utilizing online user posts to predict whether a user suffers from depression seems an effective and promising direction. However, existing methods suffer from either poor interpretability brought by the black…

2024

Large Language Models are In-context Teachers for Knowledge Reasoning

EMNLP 2024finding

In this work, we study in-context teaching(ICT), where a teacher provides in-context example rationales to teach a student to reasonover unseen cases. Human teachers are usually required to craft in-context demonstrations, which are costly and have high variance. We ask whether a large language mode…

Cited by 2SourcePDFScholar
2024

Liberating Seen Classes: Boosting Few-Shot and Zero-Shot Text Classification via Anchor Generation and Classification Reframing

AAAI 2024technical

Few-shot and zero-shot text classification aim to recognize samples from novel classes with limited labeled samples or no labeled samples at all. While prevailing methods have shown promising performance via transferring knowledge from seen classes to unseen classes, they are still limited by (1) In…

Cited by 2SourcePDFScholar
2024

LocalTweets to LocalHealth: A Mental Health Surveillance Framework Based on Twitter Data

COLING 2024main

Prior research on Twitter (now X) data has provided positive evidence of its utility in developing supplementary health surveillance systems. In this study, we present a new framework to surveil public health, focusing on mental health (MH) outcomes. We hypothesize that locally posted tweets are ind…

Cited by 2SourcePDFScholar
2024

NoteChat: A Dataset of Synthetic Patient-Physician Conversations Conditioned on Clinical Notes

ACL 2024findings

We introduce NoteChat, a novel cooperative multi-agent framework leveraging Large Language Models (LLMs) to generate patient-physician dialogues. NoteChat embodies the principle that an ensemble of role-specific LLMs, through structured role-play and strategic prompting, can perform their assigned r…

2024

ODD: A Benchmark Dataset for the Natural Language Processing Based Opioid Related Aberrant Behavior Detection

NAACL 2024long

Opioid related aberrant behaviors (ORABs) present novel risk factors for opioid overdose. This paper introduces a novel biomedical natural language processing benchmark dataset named ODD, for ORAB Detection Dataset. ODD is an expert-annotated dataset designed to identify ORABs from patients’ EHR not…

2024

README: Bridging Medical Jargon and Lay Understanding for Patient Education through Data-Centric NLP

EMNLP 2024finding

The advancement in healthcare has shifted focus toward patient-centric approaches, particularly in self-care and patient education, facilitated by access to Electronic Health Records (EHR). However, medical jargon in EHRs poses significant challenges in patient comprehension. To address this, we int…

2024

SYNFAC-EDIT: Synthetic Imitation Edit Feedback for Factual Alignment in Clinical Summarization

EMNLP 2024main

Large Language Models (LLMs) such as GPT & Llama have demonstrated significant achievements in summarization tasks but struggle with factual inaccuracies, a critical issue in clinical NLP applications where errors could lead to serious consequences. To counter the high costs and limited availability…

2023

Boosting Decision-Based Black-Box Adversarial Attack with Gradient Priors

IJCAI 2023poster

Decision-based methods have shown to be effective in black-box adversarial attacks, as they can obtain satisfactory performance and only require to access the final model prediction. Gradient estimation is a critical step in black-box adversarial attacks, as it will directly affect the query efficie…

Cited by 1SourcePDFScholar
2023

Boosting Few-Shot Text Classification via Distribution Estimation

AAAI 2023technical

Distribution estimation has been demonstrated as one of the most effective approaches in dealing with few-shot image classification, as the low-level patterns and underlying representations can be easily transferred across different tasks in computer vision domain. However, directly applying this ap…

Cited by 16SourcePDFScholar
2023

Generating User-Engaging News Headlines

ACL 2023long

The potential choices for news article headlines are enormous, and finding the right balance between conveying the essential message and capturing the reader’s attention is key to effective headlining. However, presenting the same news headline to all readers is a suboptimal strategy, because it doe…

Cited by 14SourcePDFScholar
2023

HQA-Attack: Toward High Quality Black-Box Hard-Label Adversarial Attack on Text

NeurIPS 2023poster

Black-box hard-label adversarial attack on text is a practical and challenging task, as the text data space is inherently discrete and non-differentiable, and only the predicted label is accessible. Research on this problem is still in the embryonic stage and only a few methods are available. Nevert…

2023

Multi-Label Few-Shot ICD Coding as Autoregressive Generation with Prompt

AAAI 2023technical

Automatic International Classification of Diseases (ICD) coding aims to assign multiple ICD codes to a medical note with an average of 3,000+ tokens. This task is challenging due to the high-dimensional space of multi-label assignment (155,000+ ICD code candidates) and the long-tail challenge - Many…

2023

Referring to Screen Texts with Voice Assistants

ACL 2023industry

Voice assistants help users make phone calls, send messages, create events, navigate and do a lot more. However assistants have limited capacity to understand their users’ context. In this work, we aim to take a step in this direction. Our work dives into a new experience for users to refer to phone…

Cited by 2SourcePDFScholar
2023

Revisiting the Architectures like Pointer Networks to Efficiently Improve the Next Word Distribution, Summarization Factuality, and Beyond

ACL 2023findings

Is the output softmax layer, which is adopted by most language models (LMs), always the best way to compute the next word probability? Given so many attention layers in a modern transformer-based LM, are the pointer networks redundant nowadays? In this study, we discover that the answers to both que…

2023

SSPAttack: A Simple and Sweet Paradigm for Black-Box Hard-Label Textual Adversarial Attack

AAAI 2023technical

Hard-label textual adversarial attack is a challenging task, as only the predicted label information is available, and the text space is discrete and non-differentiable. Relevant research work is still in fancy and just a handful of methods are proposed. However, existing methods suffer from either…

Cited by 21SourcePDFScholar
2023

Two Directions for Clinical Data Generation with Large Language Models: Data-to-Label and Label-to-Data

EMNLP 2023long findings

Large language models (LLMs) can generate natural language texts for various domains and tasks, but their potential for clinical text mining, a domain with scarce, sensitive, and imbalanced medical data, is under-explored. We investigate whether LLMs can augment clinical data for detecting Alzheimer…

Cited by 0SourceScholar
2023

Vision Meets Definitions: Unsupervised Visual Word Sense Disambiguation Incorporating Gloss Information

ACL 2023long

Visual Word Sense Disambiguation (VWSD) is a task to find the image that most accurately depicts the correct sense of the target word for the given context. Previously, image-text matching models often suffered from recognizing polysemous words. This paper introduces an unsupervised VWSD approach th…

2022

Generation of Patient After-Visit Summaries to Support Physicians

COLING 2022main

An after-visit summary (AVS) is a summary note given to patients after their clinical visit. It recaps what happened during their clinical visit and guides patients’ disease self-management. Studies have shown that a majority of patients found after-visit summaries useful. However, many physicians f…

2022

Knowledge Injected Prompt Based Fine-tuning for Multi-label Few-shot ICD Coding

EMNLP 2022finding

Automatic International Classification of Diseases (ICD) coding aims to assign multiple ICD codes to a medical note with average length of 3,000+ tokens. This task is challenging due to a high-dimensional space of multi-label assignment (tens of thousands of ICD codes) and the long-tail challenge: o…

2022

Learning as Conversation: Dialogue Systems Reinforced for Information Acquisition

NAACL 2022long

We propose novel AI-empowered chat bots for learning as conversation where a user does not read a passage but gains information and knowledge through conversation with a teacher bot. Our information acquisition-oriented dialogue system employs a novel adaptation of reinforced self-play so that the s…

2022

MedJEx: A Medical Jargon Extraction Model with Wiki’s Hyperlink Span and Contextualized Masked Language Model Score

EMNLP 2022main

This paper proposes a new natural language processing (NLP) application for identifying medical jargon terms potentially difficult for patients to comprehend from electronic health record (EHR) notes. We first present a novel and publicly available dataset with expert-annotated medical jargon terms…

2022

ScAN: Suicide Attempt and Ideation Events Dataset

NAACL 2022long

Suicide is an important public health concern and one of the leading causes of death worldwide. Suicidal behaviors, including suicide attempts (SA) and suicide ideations (SI), are leading risk factors for death by suicide. Information related to patients’ previous and current SA and SI are frequentl…

2021

CREAD: Combined Resolution of Ellipses and Anaphora in Dialogues

NAACL 2021long

Anaphora and ellipses are two common phenomena in dialogues. Without resolving referring expressions and information omission, dialogue systems may fail to generate consistent and coherent responses. Traditionally, anaphora is resolved by coreference resolution and ellipses by query rewrite. In this…

2020

Conversational Machine Comprehension: a Literature Review

COLING 2020main

Conversational Machine Comprehension (CMC), a research track in conversational AI, expects the machine to understand an open-domain natural language text and thereafter engage in a multi-turn conversation to answer questions related to the text. While most of the research in Machine Reading Comprehe…

2019

Breast Cancer Detection Based on Merging Four Modes MRI Using Convolutional Neural Networks

ICASSP 2019accepted

The objective of the study is to develop a framework for automatic breast cancer detection with merging four imaging modes. Attempts were made for tumor classification and segmentation; using a multi-parametric Magnetic Resonance Imaging (MRI) method on breast tumors. MRI data of the breast were obt…

Cited by 0SourceScholar