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Dongyeop Kang

34 accepted papers

2026

Align to Structure: Aligning Large Language Models with Structural Information

AAAI 2026technical

Generating long, coherent text remains a challenge for large language models (LLMs), as they lack hierarchical planning and structured organization in discourse generation. We introduce Structural Alignment, a novel method that aligns LLMs with human-like discourse structures to enhance long-form te

Cited by 7SourcePDFScholar
2025

BBScoreV2: Learning Time-Evolution and Latent Alignment from Stochastic Representation

EMNLP 2025

Autoregressive generative models play a key role in various language tasks, especially for modeling and evaluating long text sequences. While recent methods leverage stochastic representations to better capture sequence dynamics, encoding both temporal and structural dependencies and utilizing such

2025

Chain-of-Instructions: Compositional Instruction Tuning on Large Language Models

AAAI 2025technical

Fine-tuning large language models (LLMs) with a collection of large and diverse instructions has improved the model’s generalization to different tasks, even for unseen tasks. However, most existing instruction datasets include only single instructions, and they struggle to follow complex instructio…

2025

How LLMs Comprehend Temporal Meaning in Narratives: A Case Study in Cognitive Evaluation of LLMs

ACL 2025long

Large language models (LLMs) exihibit increasingly sophisticated linguistic capabilities, yet the extent to which these behaviors reflect human-like cognition versus advanced pattern recognition remains an open question.In this study, we investigate how LLMs process the temporal meaning of linguisti…

Cited by 0SourcePDFScholar
2025

ISR-DPO: Aligning Large Multimodal Models for Videos by Iterative Self-Retrospective DPO

AAAI 2025technical

Iterative self-improvement, a concept extending beyond personal growth, has found powerful applications in machine learning, particularly in transforming weak models into strong ones. While recent advances in natural language processing have shown its efficacy through iterative preference optimizati…

Cited by 0SourcePDFScholar
2025

Joint Reward and Policy Learning with Demonstrations and Human Feedback Improves Alignment

ICLR 2025spotlight

Aligning to human preferences and/or intentions is an important requirement for contemporary foundation models. To ensure alignment, popular approaches such as reinforcement learning with human feedback (RLHF) break down the task into three stages: (i) a model is computed with supervised fine-tuning…

Cited by 0SourcePDFScholar
2025

Learning a High-Quality Robotic Wiping Policy Using Systematic Reward Analysis and Visual-Language Model Based Curriculum

ICRA 2025

Autonomous robotic wiping is an important task in various industries, ranging from industrial manufacturing to sanitization in healthcare. Deep reinforcement learning (Deep RL) has emerged as a promising algorithm, however, it often suffers from a high demand for repetitive reward engineering. Inste

Cited by 1SourceScholar
2025

RoSTE: An Efficient Quantization-Aware Supervised Fine-Tuning Approach for Large Language Models

ICML 2025poster

Supervised fine-tuning is a standard method for adapting pre-trained large language models (LLMs) to downstream tasks. Quantization has been recently studied as a post-training technique for efficient LLM deployment. To obtain quantized fine-tuned LLMs, conventional pipelines would first fine-tune t…

2024

BBScore: A Brownian Bridge Based Metric for Assessing Text Coherence

AAAI 2024technical

Measuring the coherence of text is a vital aspect of evaluating the quality of written content. Recent advancements in neural coherence modeling have demonstrated their efficacy in capturing entity coreference and discourse relations, thereby enhancing coherence evaluation. However, many existing me…

2024

Benchmarking Cognitive Biases in Large Language Models as Evaluators

ACL 2024findings

Large Language Models (LLMs) have recently been shown to be effective as automatic evaluators with simple prompting and in-context learning. In this work, we assemble 16 LLMs encompassing four different size ranges and evaluate their output responses by preference ranking from the other LLMs as eval…

2024

Dynamic Multi-Reward Weighting for Multi-Style Controllable Generation

EMNLP 2024main

Textual style expresses a diverse set of information, including interpersonal dynamics (e.g., formality) and the author’s emotions or attitudes (e.g., disgust). An open question is how language models can be explicitly controlled so that they weave together target styles when generating text: for ex…

2024

How Far Can We Extract Diverse Perspectives from Large Language Models?

EMNLP 2024main

Collecting diverse human opinions is costly and challenging. This leads to a recent trend in exploiting large language models (LLMs) for generating diverse data for potential scalable and efficient solutions. However, the extent to which LLMs can generate diverse perspectives on subjective topics is…

2024

II-MMR: Identifying and Improving Multi-modal Multi-hop Reasoning in Visual Question Answering

ACL 2024findings

Visual Question Answering (VQA) often involves diverse reasoning scenarios across Vision and Language (V&L). Most prior VQA studies, however, have merely focused on assessing the model’s overall accuracy without evaluating it on different reasoning cases. Furthermore, some recent works observe that…

2024

Meta-Crafting: Improved Detection of Out-of-Distributed Texts via Crafting Metadata Space (Student Abstract)

AAAI 2024technical

Detecting out-of-distribution (OOD) samples is crucial for robust NLP models. Recent works observe two OOD types: background shifts (style change) and semantic shifts (content change), but existing detection methods vary in effectiveness for each type. To this end, we propose Meta-Crafting, a unifie…

Cited by 1SourcePDFScholar
2024

SkOTaPA: A Dataset for Skepticism Detection in Online Text after Persuasion Attempt

COLING 2024main

Individuals often encounter persuasion attempts, during which a persuasion agent aims to persuade a target to change the target’s emotions, beliefs, and behaviors. These persuasion attempts can be observed in various social settings, such as advertising, public health, political campaigns, and perso…

Cited by 2SourcePDFScholar
2024

Threads of Subtlety: Detecting Machine-Generated Texts Through Discourse Motifs

ACL 2024long

With the advent of large language models (LLM), the line between human-crafted and machine-generated texts has become increasingly blurred. This paper delves into the inquiry of identifying discernible and unique linguistic properties in texts that were written by humans, particularly uncovering the…

2024

Tuning Large Multimodal Models for Videos using Reinforcement Learning from AI Feedback

ACL 2024long

Recent advancements in large language models have influenced the development of video large multimodal models (VLMMs). Previous approaches for VLMMs involve Supervised Fine-Tuning (SFT) with instruction-tuned datasets, integrating LLM with visual encoders, and additional learnable parameters. Here,…

2024

Which Modality should I use - Text, Motif, or Image? : Understanding Graphs with Large Language Models

NAACL 2024findings

Our research integrates graph data with Large Language Models (LLMs), which, despite their advancements in various fields using large text corpora, face limitations in encoding entire graphs due to context size constraints. This paper introduces a new approach to encoding a graph with diverse modali…

2023

Balancing the Effect of Training Dataset Distribution of Multiple Styles for Multi-Style Text Transfer

ACL 2023findings

Text style transfer is an exciting task within the field of natural language generation that is often plagued by the need for high-quality paired datasets. Furthermore, training a model for multi-attribute text style transfer requires datasets with sufficient support across all combinations of the c…

Cited by 4SourcePDFScholar
2023

CoEdIT: Text Editing by Task-Specific Instruction Tuning

EMNLP 2023long findings

We introduce CoEdIT, a state-of-the-art text editing system for writing assistance. CoEdIT takes instructions from the user specifying the attributes of the desired text, such as "Make the sentence simpler" or "Write it in a more neutral style," and outputs the edited text. We present a large langua…

Cited by 0SourcecodeScholar
2023

Dialogue Chain-of-Thought Distillation for Commonsense-aware Conversational Agents

EMNLP 2023long main

Human-like chatbots necessitate the use of commonsense reasoning in order to effectively comprehend and respond to implicit information present within conversations. Achieving such coherence and informativeness in responses, however, is a non-trivial task. Even for large language models (LLMs), the…

Cited by 0SourcecodeScholar
2023

Everyone’s Voice Matters: Quantifying Annotation Disagreement Using Demographic Information

AAAI 2023technical

In NLP annotation, it is common to have multiple annotators label the text and then obtain the ground truth labels based on major annotators’ agreement. However, annotators are individuals with different backgrounds and various voices. When annotation tasks become subjective, such as detecting polit…

Cited by 44SourcePDFScholar
2023

Prefer to Classify: Improving Text Classifiers via Auxiliary Preference Learning

ICML 2023poster

The development of largely human-annotated benchmarks has driven the success of deep neural networks in various NLP tasks. To enhance the effectiveness of existing benchmarks, collecting new additional input-output pairs is often too costly and challenging, particularly considering their marginal im…

2023

Rethinking Annotation: Can Language Learners Contribute?

ACL 2023long

Researchers have traditionally recruited native speakers to provide annotations for the widely used benchmark datasets. But there are languages for which recruiting native speakers is difficult, and it would help to get learners of those languages to annotate the data. In this paper, we investigate…

2023

Story Visualization by Online Text Augmentation with Context Memory

ICCV 2023poster

Story visualization (SV) is a challenging text-to-image generation task for the difficulty of not only rendering visual details from the text descriptions but also encoding a longterm context across multiple sentences. While prior efforts mostly focus on generating a semantically relevant image for…

Cited by 9PDFcodeScholar
2023

infoVerse: A Universal Framework for Dataset Characterization with Multidimensional Meta-information

ACL 2023long

The success of NLP systems often relies on the availability of large, high-quality datasets. However, not all samples in these datasets are equally valuable for learning, as some may be redundant or noisy. Several methods for characterizing datasets based on model-driven meta-information (e.g., mode…

2022

Improving Iterative Text Revision by Learning Where to Edit from Other Revision Tasks

EMNLP 2022main

Iterative text revision improves text quality by fixing grammatical errors, rephrasing for better readability or contextual appropriateness, or reorganizing sentence structures throughout a document.Most recent research has focused on understanding and classifying different types of edits in the ite…

2022

Understanding Iterative Revision from Human-Written Text

ACL 2022long

Writing is, by nature, a strategic, adaptive, and, more importantly, an iterative process. A crucial part of writing is editing and revising the text. Previous works on text revision have focused on defining edit intention taxonomies within a single domain or developing computational models with a s…

2022

What Makes Better Augmentation Strategies? Augment Difficult but Not too Different

ICLR 2022poster

The practice of data augmentation has been extensively used to boost the performance of deep neural networks for various NLP tasks. It is more effective when only a limited number of labeled samples is available, e.g., low-data or class-imbalanced regimes. Most current augmentation techniques rely o…

Cited by 15SourcePDFScholar
2021

Does BERT Learn as Humans Perceive? Understanding Linguistic Styles through Lexica

EMNLP 2021main

People convey their intention and attitude through linguistic styles of the text that they write. In this study, we investigate lexicon usages across styles throughout two lenses: human perception and machine word importance, since words differ in the strength of the stylistic cues that they provide…

2021

Modeling Mathematical Notation Semantics in Academic Papers

EMNLP 2021finding

Natural language models often fall short when understanding and generating mathematical notation. What is not clear is whether these shortcomings are due to fundamental limitations of the models, or the absence of appropriate tasks. In this paper, we explore the extent to which natural language mode…

2021

Style is NOT a single variable: Case Studies for Cross-Stylistic Language Understanding

ACL 2021long

Every natural text is written in some style. Style is formed by a complex combination of different stylistic factors, including formality markers, emotions, metaphors, etc. One cannot form a complete understanding of a text without considering these factors. The factors combine and co-vary in comple…

2021

Zero-Shot Natural Language Video Localization

ICCV 2021poster

Understanding videos to localize moments with natural language often requires large expensive annotated video regions paired with language queries. To eliminate the annotation costs, we make a first attempt to train a natural language video localization model in zero-shot manner. Inspired by unsuper…

Cited by 62PDFcodeScholar