Hyewon, Choi

Hyewon, Choi

Thanks for your visit

About

Hi, I’m a researcher in Natural Language Processing lab at Sungkyunkwan University and I’m working with Prof. Youngjoong Ko.

If you have any questions, even for me, please leave Email. Thanks.


Interests

  • Natural Language Processing
  • Visual Question Answering
  • Fake News Video Detection
  • Query Reformulation
  • Spelling Error Correction

Education

  • 2016.03 ~ 2020.02 : Dong-A Univ. B.S.
  • 2018.04 ~ 2019.12 : IS lab. at Dong-A Univ.
  • 2020.01 ~ 현재 : NLP lab. at sungkyunkwan Univ.

Publications

  • Hyewon Choi and Youngjoong Ko.
    "Using Topic Modeling and Adversarial Neural Networks for Fake News Video Detection."
    Proceedings of the 30th ACM International Conference on Information and Knowledge Management (accepted to CIKM 2021)

  • Bosung Kim, Hyewon Choi and Youngjoong Ko.
    "Query Reformulation for Descriptive Queries of Jargon Words Using a Knowledge Graph based on a Dictionary."
    Proceedings of the 30th ACM International Conference on Information and Knowledge Management (accepted to CIKM 2021)

  • 최혜원, 장대식, 손동철, 이승욱, 고영중
    "SNS 채팅 데이터에 적응적인 Self-Attention 기반 문맥의존 철자오류 교정 시스템"
    제31회 한글 및 한국어 정보처리 학술대회(HCLT 2019), pp. 362-367, 2019년 10월.
    Hyewon Choi, Daesik Jang, DongCheol Son, Seungwook Lee and Youngjoong Ko
    "Adaptive Context-sensitive Spelling Error Correction System Based on Self-attention for Social Network Service Chatting Data"
    Proceedings of the 31th Annual Conference on Human and Cognitive Language Technology (HCLT 2019), pp. 362-367, October 2019.

  • Hyewon Choi and Youngjoong Ko.
    "Topic-agnostic fake news video detection robust in short sentences using adversarial learning and BTM."
    IEEE ACCESS (submitted to IEEE, under revision)

  • Hyewon Choi and Youngjoong Ko.
    "Effective Fake News Video Detection Using Domain Knowledge and Multimodal Data Fusion on YouTube."
    Pattern Recognition Letters, Elsevier Science (submitted to PRL, under revision)

Patents

  • Hyewon Choi et al. "Apparatus and Method for Fake Video Detection (가짜 동영상 탐지를 수행하는 방법 및 이를 위한 장치)"
    출원일: 2021.08.18 (출원번호 제 10-2021-0108936 호)

  • Hyewon Choi et al. "The Fake News Video Detection System and Method (가짜 뉴스 동영상 탐지 시스템 및 그의 방법)"
    출원일: 2021.02.19 (출원번호 제 10-2021-0022638 호)

Projects

  • "사전기반의 한자어 그래프 구축 및 구축된 그래프를 이용한 Query Reformulation 연구"
    Supported by Naver (Naver Corp.), July 2020 - June 2021.

  • "딥러닝 Triple 임베딩을 이용한 TripleQA 기술 개발 (Development of the TripleQA System Using Triple Embedding)."
    Supported by 한국전자통신연구원 (ETRI), May 2020 - November 2020.

  • "지능형(AI) 대화 분석 연구 (AI Dialogue Analysis Research)."
    Supported by National Digital Forensic Center (NDFC), May 2019 - November 2019.

Honors and Awards

  • Project Competition, The Grand Prize, 2017, Dong-A Univ.
    Developed an electronic reverse auction system.

  • Capstone Design Competition, The Participation Prize, 2019, Dong-A Univ.
    Developed a spelling error correction system.

  • Capstone Design Competition, 8th in Korea, 2019, National IT Industry Promotion Agency
    Developed a member management system using InBody Band.

Technical Skills

  • Languages: Python, C/C++,JAVA
  • Frameworks: Pytorch, Tensorflow
  • Libraries: Numpy, Matplotlib, huggingface/transformer
  • Others: Linux, Git, Tensorboard, PyCharm

Teaching Assistant

  • Natural Language Processing Theory & Applications, Sungkyunkwan Univ.
    2021 Spring

  • Operating System, Sungkyunkwan Univ.
    2021 Spring