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Jinhee Jang

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4 papers

1 author row

AAAI Conference 2026 System Paper

RefLens: End-to-End Evidence-Grounded Citation Verification with LLM Agents

SeungHoo Lee
JuneHyoung Kwon
Jooweon Choi
JungMin Yun
Seunguk Yu
Yoonji Lee
Jinhee Jang
YoungBin Kim

Accurate citation is critical, yet error rates remain high across scientific literature. We present RefLens, an end-to-end system that automates citation verification from PDF parsing to interactive report generation. Unlike summary- or embedding-based approaches, RefLens performs evidence-grounded verification by extracting verbatim spans from original sources and displaying citation-level cards and a paper-level dashboard. In a 35-participant study, users rated value (M=4.34), trust (M=4.15), and usability (M=4.19) highly, with strong adoption intention (M=4.28).

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YNICL Journal 2025 Journal Article

Association of iron deposition in MS lesion with remyelination capacity using susceptibility source separation MRI

Hyeong-Geol Shin
Woojun Kim
Jung Hwan Lee
Hyun-soo Lee
Yoonho Nam
Jiwoong Kim
Xu Li
Peter C.M. van Zijl

OBJECTIVES: signals within MS lesions using χ-separation and evaluate the association between lesional iron and remyelination capability. METHODS: signals. RESULTS: myelin signals (P < 0.001). After adjustment, lesions with early HPS demonstrated an annual loss in myelin signal (-1.94 ppb/year), whereas those without early HPS exhibited annual recovery (+0.66 ppb/year). Participants with confirmed disability improvement (CDI) had fewer HPS-positive lesions at baseline than those without CDI (P < 0.001). CONCLUSION: The presence of HPS is associated with impaired remyelination capacity and a lack of disease improvement in pwMS. Identifying HPS may help demarcate lesions more amenable to myelin repair therapies.

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AAAI Conference 2025 System Paper

SummPilot: Bridging Efficiency and Customization for Interactive Summarization System

JungMin Yun
Juhwan Choi
Kyohoon Jin
Soojin Jang
Jinhee Jang
YoungBin Kim

This paper incorporates the efficiency of automatic summarization and addresses the challenge of generating personalized summaries tailored to individual users' interests and requirements. To tackle this challenge, we introduce SummPilot, an interaction-based customizable summarization system. SummPilot leverages a large language model to facilitate both automatic and interactive summarization. Users can engage with the system to understand document content and personalize summaries through interactive components such as semantic graphs, entity clustering, and explainable evaluation. Our demo and user studies demonstrate SummPilot's adaptability and usefulness for customizable summarization.

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YNIMG Journal 2021 Journal Article

χ-separation: Magnetic susceptibility source separation toward iron and myelin mapping in the brain

Hyeong-Geol Shin
Jingu Lee
Young Hyun Yun
Seong Ho Yoo
Jinhee Jang
Se-Hong Oh
Yoonho Nam
Sehoon Jung

Obtaining a histological fingerprint from the in-vivo brain has been a long-standing target of magnetic resonance imaging (MRI). In particular, non-invasive imaging of iron and myelin, which are involved in normal brain functions and are histopathological hallmarks in neurodegenerative diseases, has practical utilities in neuroscience and medicine. Here, we propose a biophysical model that describes the individual contribution of paramagnetic (e.g., iron) and diamagnetic (e.g., myelin) susceptibility sources to the frequency shift and transverse relaxation of MRI signals. Using this model, we develop a method, χ-separation, that generates the voxel-wise distributions of the two sources. The method is validated using computer simulation and phantom experiments, and applied to ex-vivo and in-vivo brains. The results delineate the well-known histological features of iron and myelin in the specimen, healthy volunteers, and multiple sclerosis patients. This new technology may serve as a practical tool for exploring the microstructural information of the brain.

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