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Sein Kim

4 accepted papers

2026

Beyond the Final Answer: Evaluating the Reasoning Trajectories of Tool-Augmented Agents

ICML 2026poster

Driven by recent advancements in tool-augmented Large Language Model (LLM) agents, comprehensive benchmark datasets for evaluating these tool-augmented agents are being actively developed. Although these benchmarks incorporate increasingly complex user requests and a diverse array of tools, the eval…

Cited by 0SourceScholar
2026

Image is All You Need: Towards Efficient and Effective Large Language Model-Based Recommender Systems

ICLR 2026poster

Large Language Models (LLMs) have recently emerged as a powerful backbone for recommender systems. Existing LLM-based recommender systems take two different approaches for representing items in natural language, i.e., Attribute-based Representation and Description-based Representation. In this work,…

Cited by 0SourcecodeScholar
2025

Subgraph Federated Learning for Local Generalization

ICLR 2025oral

Federated Learning (FL) on graphs enables collaborative model training to enhance performance without compromising the privacy of each client. However, existing methods often overlook the mutable nature of graph data, which frequently introduces new nodes and leads to shifts in label distribution. S…

2023

Heterogeneous Graph Learning for Multi-Modal Medical Data Analysis

AAAI 2023technical

Routine clinical visits of a patient produce not only image data, but also non-image data containing clinical information regarding the patient, i.e., medical data is multi-modal in nature. Such heterogeneous modalities offer different and complementary perspectives on the same patient, resulting in…