activity
20232026
most citedReview-driven Personalized Preference Reasoning with Large Language Models for Recommendation

12 citations · 33 across the 32 of their papers we have counts for

collaborators

34 papers

cs.AI2026

Personalized Deep Research Query Refinement with Graph-Scaffolded Evidence Grounding

Soojin Yoon, Dongha Lee

User requests serve as research specifications for deep research agents, shaping what evidence to seek and how to synthesize it. In personalized deep research, these specifications…

cs.CL2026

Region4Web: Rethinking Observation Space Granularity for Web Agents

Donguk Kwon, Dongha Lee

Web agents perceive web pages through an observation space, yet its granularity has remained an underexamined design choice. Existing work treats observation at the same element-le…

cs.CL2026

CONDESION-BENCH: Conditional Decision-Making of Large Language Models in Compositional Action Space

Yeonjun Hwang, Sungyong Park, Minju Kim +2

Large language models have been widely explored as decision-support tools in high-stakes domains due to their contextual understanding and reasoning capabilities. However, existing…

cs.IR2026

AgenticShop: Benchmarking Agentic Product Curation for Personalized Web Shopping

Sunghwan Kim, Ryang Heo, Yongsik Seo +2

The proliferation of e-commerce has made web shopping platforms key gateways for customers navigating the vast digital marketplace. Yet this rapid expansion has led to a noisy and…

cs.CL2025

Fast and Fluent Diffusion Language Models via Convolutional Decoding and Rejective Fine-tuning

Yeongbin Seo, Dongha Lee, Jaehyung Kim +1

Autoregressive (AR) language models generate text one token at a time, which limits their inference speed. Diffusion-based language models offer a promising alternative, as they ca…

cs.CL2025

Quantifying Genuine Awareness in Hallucination Prediction Beyond Question-Side Shortcuts

Yeongbin Seo, Dongha Lee, Jinyoung Yeo

Many works have proposed methodologies for language model (LM) hallucination detection and reported seemingly strong performance. However, we argue that the reported performance to…

cs.LG2025

Rethinking Reward Model Evaluation Through the Lens of Reward Overoptimization

Sunghwan Kim, Dongjin Kang, Taeyoon Kwon +3

Reward models (RMs) play a crucial role in reinforcement learning from human feedback (RLHF), aligning model behavior with human preferences. However, existing benchmarks for rewar…

cs.CL2025

RPM: Reasoning-Level Personalization for Black-Box Large Language Models

Jieyong Kim, Tongyoung Kim, Soojin Yoon +2

While black-box large language models are widely deployed, they produce generic outputs that overlook individual user preferences. Current personalization methods are fundamentally…

cs.IR2024

Stop Playing the Guessing Game! Target-free User Simulation for Evaluating Conversational Recommender Systems

Sunghwan Kim, Kwangwook Seo, Tongyoung Kim +2

Recent approaches in Conversational Recommender Systems (CRSs) have tried to simulate real-world users engaging in conversations with CRSs to create more realistic testing environm…

cs.IR2024

Why These Documents? Explainable Generative Retrieval with Hierarchical Category Paths

Sangam Lee, Ryang Heo, SeongKu Kang +3

Generative retrieval directly decode a document identifier (i.e., docid) in response to a query, making it impossible to provide users with explanations as an answer for ``why is t…

cs.CL2024

Make Compound Sentences Simple to Analyze: Learning to Split Sentences for Aspect-based Sentiment Analysis

Yongsik Seo, Sungwon Song, Ryang Heo +2

In the domain of Aspect-Based Sentiment Analysis (ABSA), generative methods have shown promising results and achieved substantial advancements. However, despite these advancements,…

cs.LG2024

Evaluating Robustness of Reward Models for Mathematical Reasoning

Sunghwan Kim, Dongjin Kang, Taeyoon Kwon +4

Reward models are key in reinforcement learning from human feedback (RLHF) systems, aligning the model behavior with human preferences. Particularly in the math domain, there have…

cs.CL2024

Can Code-Switched Texts Activate a Knowledge Switch in LLMs? A Case Study on English-Korean Code-Switching

Seoyeon Kim, Huiseo Kim, Chanjun Park +2

Recent large language models (LLMs) demonstrate multilingual abilities, yet they are English-centric due to dominance of English in training corpora. The limited resource for low-r…

cs.CL2024★ 2 cited

Web Agents with World Models: Learning and Leveraging Environment Dynamics in Web Navigation

Hyungjoo Chae, Namyoung Kim, Kai Tzu-iunn Ong +6

Large language models (LLMs) have recently gained much attention in building autonomous agents. However, the performance of current LLM-based web agents in long-horizon tasks is fa…

cs.CL2024

YA-TA: Towards Personalized Question-Answering Teaching Assistants using Instructor-Student Dual Retrieval-augmented Knowledge Fusion

Dongil Yang, Suyeon Lee, Minjin Kim +4

Engagement between instructors and students plays a crucial role in enhancing students'academic performance. However, instructors often struggle to provide timely and personalized…

cs.SE2024★ 1 cited

Is Functional Correctness Enough to Evaluate Code Language Models? Exploring Diversity of Generated Codes

Heejae Chon, Seonghyeon Lee, Jinyoung Yeo +1

Language models (LMs) have exhibited impressive abilities in generating codes from natural language requirements. In this work, we highlight the diversity of code generated by LMs…

cs.IR2024

MVIGER: Multi-View Variational Integration of Complementary Knowledge for Generative Recommender

Tongyoung Kim, Soojin Yoon, SeongKu Kang +2

Language Models (LMs) have been widely used in recommender systems to incorporate textual information of items into item IDs, leveraging their advanced language understanding and g…

cs.CL2024★ 12 cited

Review-driven Personalized Preference Reasoning with Large Language Models for Recommendation

Jieyong Kim, Hyunseo Kim, Hyunjin Cho +4

Recent advancements in Large Language Models (LLMs) have demonstrated exceptional performance across a wide range of tasks, generating significant interest in their application to…

cs.CL2024

Train-Attention: Meta-Learning Where to Focus in Continual Knowledge Learning

Yeongbin Seo, Dongha Lee, Jinyoung Yeo

Previous studies on continual knowledge learning (CKL) in large language models (LLMs) have predominantly focused on approaches such as regularization, architectural modifications,…

cs.CL2024

Unsupervised Robust Cross-Lingual Entity Alignment via Neighbor Triple Matching with Entity and Relation Texts

Soojin Yoon, Sungho Ko, Tongyoung Kim +3

Cross-lingual entity alignment (EA) enables the integration of multiple knowledge graphs (KGs) across different languages, providing users with seamless access to diverse and compr…

cs.CL2024

Cactus: Towards Psychological Counseling Conversations using Cognitive Behavioral Theory

Suyeon Lee, Sunghwan Kim, Minju Kim +11

Recently, the demand for psychological counseling has significantly increased as more individuals express concerns about their mental health. This surge has accelerated efforts to…

cs.CL2024★ 3 cited

Do LLMs Have Distinct and Consistent Personality? TRAIT: Personality Testset designed for LLMs with Psychometrics

Seungbeen Lee, Seungwon Lim, Seungju Han +9

Recent advancements in Large Language Models (LLMs) have led to their adaptation in various domains as conversational agents. We wonder: can personality tests be applied to these a…

cs.CL2024

Unveiling Implicit Table Knowledge with Question-Then-Pinpoint Reasoner for Insightful Table Summarization

Kwangwook Seo, Jinyoung Yeo, Dongha Lee

Implicit knowledge hidden within the explicit table cells, such as data insights, is the key to generating a high-quality table summary. However, unveiling such implicit knowledge…

cs.CL2024

Towards Lifelong Dialogue Agents via Timeline-based Memory Management

Kai Tzu-iunn Ong, Namyoung Kim, Minju Gwak +6

To achieve lifelong human-agent interaction, dialogue agents need to constantly memorize perceived information and properly retrieve it for response generation (RG). While prior st…