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AAISSJ/README.md

Sejung Son

AI Engineer at NHN Corporation, building LLM-powered agentic systems.

What I Do

  • LLM Serving & Infra — vLLM-based model serving with LMCache, MCP server orchestration, content safety (safeguard)
  • Agentic AI — LangChain/LangGraph-based enterprise agent with human-in-the-loop interrupt, RAG pipeline, enterprise tool integration (calendar, task, messenger, HR)
  • Multilingual NLP — Korean/Japanese text quality, i18n, prompt engineering
  • Developer Productivity — Claude Code agent skills, CI/CD automation with GitHub Actions
  • Applied NLP Research — clinical NLP, multimodal learning, speech-based diagnostics

Publications

  • [CHI 2026] Accuracy as Autonomy: How Reliable Information Enables Choice in Wheelchair-Accessible Taxi Services (poster)
  • [Interspeech 2025] Synthetic Data Generation for Phrase Break Prediction with Large Language Model (main)
  • [NAACL 2024] Detecting Bipolar Disorder from Misdiagnosed Major Depressive Disorder with Mood-Aware Multi-Task Learning (long, main)
  • [EMNLP 2023] Learning Co-Speech Gesture for Multimodal Aphasia Type Detection (long, main)
  • [KDD 2023] Towards Suicide Prevention from Bipolar Disorder with Temporal Symptom-Aware Multitask Learning (long)
  • [CLPsych 2024] A Dual-Prompting for Interpretable Mental Health Language Models
  • [KCC 2023] A Multilingual Multimodal Model for Diagnosing Dementia
  • [KIBME 2023] Toward Natural and Intelligible Speech Synthesis: An Empirical Study on Transfer Learning

Tech Stack

Python vLLM LangChain LangGraph PyTorch FastAPI Linux

GitHub Stats

LinkedIn

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  1. DSAIL-SKKU/Multimodal-Aphasia-Type-Detection_EMNLP_2023 DSAIL-SKKU/Multimodal-Aphasia-Type-Detection_EMNLP_2023 Public

    This codebase contains the python scripts for the model for the "Learning Co-Speech Gesture for Multimodal Aphasia Type Detection (EMNLP 2023) ".

    Python 10 3

  2. ADdetection ADdetection Public

    ICASSP 2023 SPGC Challenge: Multilingual Alzheimer's Dementia Recognition through Spontaneous Speech

    Python 11 4

  3. Temporal-Symptom-Aware-Multitask-Learning-KDD23 Temporal-Symptom-Aware-Multitask-Learning-KDD23 Public

    Forked from DSAIL-SKKU/Temporal-Symptom-Aware-Multitask-Learning-KDD23

    Python

  4. SKT_AI_Fellowship_5th SKT_AI_Fellowship_5th Public

    Realizing personalized marketing through the introduction of AI copywriters

    Python 4 1

  5. FakeNewsDetection_GraphMining FakeNewsDetection_GraphMining Public

    DAI5019 Graph Mining and Learning (Fall, 2022) / Fake News Detection through Graph Neural Network

    Jupyter Notebook