activity
20232026
most citedAsk Optimal Questions: Aligning Large Language Models with Retriever's Preference in Conversation

3 citations · 8 across the 41 of their papers we have counts for

collaborators
Showing 2025Show all

22 papers · 1 filter

cs.DC2025

MatKV: Trading Compute for Flash Storage in LLM Inference

Kun-Woo Shin, Jay H. Park, Moonwook Oh +3

We observe two major trends in LLM-based generative AI: (1) inference is becoming the dominant factor in terms of cost and power consumption, surpassing training, and (2) retrieval…

cs.CL2025

Don't Adapt Small Language Models for Tools; Adapt Tool Schemas to the Models

Jonggeun Lee, Woojung Song, Jongwook Han +2

Small language models (SLMs) enable scalable tool-augmented multi-agent systems where multiple SLMs handle subtasks orchestrated by a powerful coordinator. However, they struggle w…

cs.CL2025

Quantifying Data Contamination in Psychometric Evaluations of LLMs

Jongwook Han, Woojung Song, Jonggeun Lee +1

Recent studies apply psychometric questionnaires to Large Language Models (LLMs) to assess high-level psychological constructs such as values, personality, moral foundations, and d…

cs.CL2025

ThinkBrake: Efficient Reasoning via Log-Probability Margin Guided Decoding

Sangjun Song, Minjae Oh, Seungkyu Lee +2

Large Reasoning Models (LRMs) allocate substantial inference-time compute to Chain-of-Thought (CoT) reasoning, improving performance on mathematics, scientific QA, and tool usage.…

cs.CL2025

SUIT: Knowledge Editing with Subspace-Aware Key-Value Mappings

Haewon Park, Sangwoo Kim, Yohan Jo

Knowledge editing aims to efficiently correct factual errors in language models. Widely used locate-then-edit methods update an MLP layer by adjusting its weights to change the map…

cs.CL2025

Dual Mechanisms of Value Expression: Intrinsic vs. Prompted Values in Large Language Models

Jongwook Han, Jongwon Lim, Injin Kong +1

Large language models can express values in two main ways: (1) intrinsic expression, reflecting the model's inherent values learned during training, and (2) prompted expression, el…

cs.CL2025

SimuHome: A Temporal- and Environment-Aware Benchmark for Smart Home LLM Agents

Gyuhyeon Seo, Jungwoo Yang, Junseong Pyo +3

We introduce , a high-fidelity smart home simulator and a benchmark of 600 episodes for LLM-based smart home agents. Existing smart home benchmarks treat the hom…

cs.CL2025

Bridging the Knowledge-Prediction Gap in LLMs on Multiple-Choice Questions

Yoonah Park, Haesung Pyun, Yohan Jo

While large language models (LLMs) perform strongly on diverse tasks, their trustworthiness is limited by erratic behavior that is unfaithful to their internal knowledge. In partic…

cs.CL2025

Non-Collaborative User Simulators for Tool Agents

Jeonghoon Shim, Woojung Song, Cheyon Jin +2

Tool agents interact with users through multi-turn dialogues to accomplish various tasks. Recent studies have adopted user simulation methods to develop these agents in multi-turn…

cs.CL2025

Future Policy Approximation for Offline Reinforcement Learning in LLM Reasoning

Minjae Oh, Yunho Choi, Dongmin Choi +1

Reinforcement learning (RL) has emerged as a key driver of post-training for complex reasoning in large language models (LLMs), yet online RL introduces substantial instability and…

cs.CL2025

Human Psychometric Questionnaires Mischaracterize LLM Behavior

Woojung Song, Dongmin Choi, Yoonah Park +3

We examine whether human psychometric questionnaires can serve as reliable tools for characterizing and predicting LLM behavior in everyday user interactions. We analyze eight open…

cs.CL2025

In-N-Out: A Parameter-Level API Graph Dataset for Tool Agents

Seungkyu Lee, Nalim Kim, Yohan Jo

Tool agents--LLM-based systems that interact with external APIs--offer a way to execute real-world tasks. However, as tasks become increasingly complex, these agents struggle to id…

cs.CL2025

Sparse and Dense Retrievers Learn Better Together: Joint Sparse-Dense Optimization for Text-Image Retrieval

Jonghyun Song, Youngjune Lee, Gyu-Hwung Cho +3

Vision-Language Pretrained (VLP) models have achieved impressive performance on multimodal tasks, including text-image retrieval, based on dense representations. Meanwhile, Learned…

cs.CL2025

Psychometric Item Validation Using Virtual Respondents with Trait-Response Mediators

Sungjib Lim, Woojung Song, Eun-Ju Lee +1

As psychometric surveys are increasingly used to assess the traits of large language models (LLMs), the need for scalable survey item generation suited for LLMs has also grown. A c…

cs.CL2025

Value Portrait: Assessing Language Models' Values through Psychometrically and Ecologically Valid Items

Jongwook Han, Dongmin Choi, Woojung Song +2

The importance of benchmarks for assessing the values of language models has been pronounced due to the growing need of more authentic, human-aligned responses. However, existing b…

cs.CL2025

Improving Dialogue State Tracking through Combinatorial Search for In-Context Examples

Haesung Pyun, Yoonah Park, Yohan Jo

In dialogue state tracking (DST), in-context learning comprises a retriever that selects labeled dialogues as in-context examples and a DST model that uses these examples to infer…

cs.CL2025

PVP: An Image Dataset for Personalized Visual Persuasion with Persuasion Strategies, Viewer Characteristics, and Persuasiveness Ratings

Junseo Kim, Jongwook Han, Dongmin Choi +3

Visual persuasion, which uses visual elements to influence cognition and behaviors, is crucial in fields such as advertising and political communication. With recent advancements i…

cs.CL2025

Context-Robust Knowledge Editing for Language Models

Haewon Park, Gyubin Choi, Minjun Kim +1

Knowledge editing (KE) methods offer an efficient way to modify knowledge in large language models. Current KE evaluations typically assess editing success by considering only the…

cs.CL2025

ToolDial: Multi-turn Dialogue Generation Method for Tool-Augmented Language Models

Jeonghoon Shim, Gyuhyeon Seo, Cheongsu Lim +1

Tool-Augmented Language Models (TALMs) leverage external APIs to answer user queries across various domains. However, existing benchmark datasets for TALM research often feature si…

cs.CL2025

KMI: A Dataset of Korean Motivational Interviewing Dialogues for Psychotherapy

Hyunjong Kim, Suyeon Lee, Yeongjae Cho +4

The increasing demand for mental health services has led to the rise of AI-driven mental health chatbots, though challenges related to privacy, data collection, and expertise persi…

cs.CL2025

Dialogue Systems for Emotional Support via Value Reinforcement

Juhee Kim, Chunghu Mok, Jisun Lee +2

Emotional support dialogue systems aim to reduce help-seekers' distress and help them overcome challenges. While human values$\unicode{x2013}$core beliefs that shape an individual'…

cs.CL2025★ 2 cited

Generating Plausible Distractors for Multiple-Choice Questions via Student Choice Prediction

Yooseop Lee, Suin Kim, Yohan Jo

In designing multiple-choice questions (MCQs) in education, creating plausible distractors is crucial for identifying students' misconceptions and gaps in knowledge and accurately…