# 2017

  • Juae Kim, Soonjae Kwon, Youngjoong Ko and Jungyun Seo.
    " A Method to Generate a Machine-labeled Data for Biomedical Named Entity Recognition with Various Sub-Domains. "
    Proceedings of International Workshop on Digital Disease Detection Using Social Media (IJCNLP 2017), in Taiwan, November 2017.
  • Soonjae Kwon, Youngjoong Ko and Jungyun Seo.
    " A Robust Named-Entity Recognition System Using Syllable Bigram Embedding with Eojeol Prefix Information. "
    Proceedings of the 26th ACM International Conference on Information and Knowledge Management (CIKM 2017), in Singapore, November 2017.(SCOPUS)
  • 염홍선, 고영중, 서정연
    " 합성곱 신경망을 이용한 음절 표상의 학습을 통한 대화 시스템의 사용자 발화 의도 분석 "
    2017 한국컴퓨터종합학술대회
    Hongsun Yeom, Youngjoong Ko and Jungyun Seo.
    " User Utterance's Intent Detection in Dialogue System with Syllable Embedding Using Convolutional Neural Network. "
    Proceedings of Korea Computer Congress 2017 (KCC 2017), pp.618-620, June 2017.
  • 김주애, 염홍선, 고영중, 서정연
    " 감정분석 성능 향상을 위한 개체명 인식 활용 방법 "
    2017 한국인지과학회 연차학술대회, P48, May 2017
    Juae Kim, Hongsun Yeom, Youngjoong Ko and Jungyun Seo.
    " How to Utilize Named Entity Analysis to Improve Sentiment Analysis. "
    Proceedings of Conference on Korea Cognitive Science Society May 2017.
  • 유홍연, 고영중
    " 인과관계 말뭉치 구축을 위한 자동차 취급 설명서 분석 "
    2017 한국인지과학회 연차학술대회, P48, May 2017
    Hongyeon Yu and Youngjoong Ko.
    " Car Manual Analysis for Constructing a Causal Relation Annotated Corpus. "
    Proceedings of Conference on Korea Cognitive Science Society May 2017.
  • 윤정민, 고영중
    " 음절 의미역 태그 분포를 이용한 입력 벡터 확장을 통한 Bi-LSTM-CRFs 기반의 의미역 결정 모델 "
    2017 한국인지과학회 연차학술대회, P48, May 2017
    Jungmin Yoon and Youngjoong Ko.
    " A Semantic Role Labeling Model based on Bi-LSTM-CRFs using Expanded Word Representation by SRL Label Distribution of Syllable. "
    Proceedings of Conference on Korea Cognitive Science Society May 2017.

# 2016

  • 유홍연, 고영중 (우수 논문상)
    " 품사 임베딩과 음절 단위 개체명 분포 기반의 Bidirectional LSTM CRFs를 이용한 개체명 인식 "
    제 28회 한글 및 한국어 정보처리 학술대회 (HCLT-2016), pp. 105-110, October 2016
    Hongyeon Yu, Youngjoong Ko
    " Named Entity Recognition Using Bidirectional LSTM CRFs Based on the POS Tag Embedding and the Named Entity Distribution of Syllables "
    Proceedings of the 28th Annual Conference on Human and Cognitive Language Technology
    (HCLT-2016), pp. 105-110, October 2016.
  • 김혜민, 윤정민, 안재현, 배경만, 고영중
    " 품사 분포와 Bidirectional LSTM CRFs를 이용한 음절 단위 형태소 분석기 "
    제 28회 한글 및 한국어 정보처리 학술대회 (HCLT-2016), pp. 3-8, October 2016
    Hyemin Kim, Jungmin Yoon, Jaehyun An, Kyoungman Bae, Youngjoong Ko
    " Syllable-based Korean POS Tagging using POS Distribution and Bidirectional LSTM CRFs "
    Proceedings of the 28th Annual Conference on Human and Cognitive Language Technology
    (HCLT-2016), pp. 3-8, October 2016.
  • 안재현, 이호경, 고영중
    " 의존 경로와 음절단위 의존 관계명 분포 기반의 Bidirectional-LSTM-CRFs를 이용한 한국어 의존 관계명 레이블링 "
    제 28회 한글 및 한국어 정보처리 학술대회 (HCLT-2016), pp. 14-19, October 2016
    Jaehyun An, Hokyung Lee, Youngjoong Ko
    " Korean Dependency Relation Labeling Using Bidirectional LSTM CRFs Based on the Dependency Path and the Dependency Relation Label Distribution of Syllables "
    Proceedings of the 28th Annual Conference on Human and Cognitive Language Technology
    (HCLT-2016), pp. 14-19, October 2016.
  • 이호경, 배경만, 고영중
    " 격틀과 워드 임베딩을 활용한 유사도 기반 대화 모델링 "
    제 28회 한글 및 한국어 정보처리 학술대회 (HCLT-2016), pp. 220-225, October 2016.
    Ho-Kyung Lee, Kyoungman Bae, and Youngjoong Ko.
    " A Similarity-based Dialogue Modeling with Case Frame and Word Embedding "
    Proceedings of the 28th Annual Conference on Human and Cognitive Language Technology
    (HCLT-2016), pp. 220-225, October 2016.
  • 윤정민, 배경만, 고영중
    " 음절의 의미역 태그 분포를 이용한 Bidirectional LSTM CRFs 기반의 한국어 의미역 결정 "
    제 28회 한글 및 한국어 정보처리 학술대회 (HCLT-2016), pp. 324-329, October 2016
    Jungmin Yoon, Kyoungman Bae, Youngjoong Ko
    " Korean Semantic Role Labeling Based on Bidirectional LSTM CRFs Using the Semantic Label Distribution of Syllable "
    Proceedings of the 28th Annual Conference on Human and Cognitive Language Technology
    (HCLT-2016), pp. 324-329, October 2016.

# 2015

  • Changsu Lee, Youngjoong Ko and Jungyun Seo.
    " A Simultaneous Recognition Framework for the Spoken Language Understanding Module of Intelligent Personal Assistant Software on Smart Phones. "
    Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics (ACL 2015), in Beijing, China, pp. 818-822, July 2015.
  • 천주룡, 고영중 (우수 논문상)
    " 위키피디아로부터의 자동 병렬 문장 추출 기법을 이용한 영어-한국어 교차언어 정보검색의 번역 성능 개선 "
    제 27회 한글 및 한국어 정보처리 학술대회 (HCLT-2015), pp. 35-40, October 2015.
    Juryong Cheon, Youngjoong Ko
    " Improving Query Translation by Extracting Parallel Sentences from Wikipedia for Cross-Language Information Retrieval "
    Proceedings of the 27th Annual Conference on Human and Cognitive Language Technology
    (HCLT-2015), pp. 35-40, October 2015.
  • 윤정민, 황재원, 고영중
    " 대화 시스템의 말뭉치 구축을 위한 Object-Action 반자동 추출기 "
    제 27회 한글 및 한국어 정보처리 학술대회 (HCLT-2015), pp. 220-223, October 2015.
    Jungmin Yoon, jaewon Hwang, Youngjoong Ko
    " Semi-Automatic Object-Action Extractor to Build the Utterance Corpus for the Dialogue System "
    Proceedings of the 27th Annual Conference on Human and Cognitive Language Technology
    (HCLT-2015), pp. 220-223, October 2015.
  • 송남훈, 배경만, 고영중 (우수 논문상)
    " 분류 우선순위 적용과 후보정 규칙을 이용한 효과적인 한국어 화행 분류 "
    2015 한국컴퓨터종합학술대회
    Namhoon Song, Kyoungman Bae, Youngjoong Ko.
    " Efficient Korean Speech-Act Classification using a Classification Priority Application and a Post Correction Rule. "
    Proceedings of Korea Computer Congress 2015 (KCC 2015), pp.675-677, June 2015.
  • 김태현, 이창수, 황재원, 고영중
    " 위키피디아를 이용한 개체명 부착 코퍼스 자동구축 및 중의성 해소 "
    2015 한국컴퓨터종합학술대회
    Taehyun Kim, Changsu Lee, Jaewon Hwang, Youngjoong Ko.
    " Automatic Acquisition of Korean Named Entity Annotated Corpus from Wikipedia. "
    Proceedings of Korea Computer Congress 2015 (KCC 2015), pp. 745-747, June 2015.

# 2014

  • Kyoungman Bae and Youngjoong Ko.
    " An Effective Question Expanding Method for Question Classification in cQA services. "
    Proceedings of the 7th Workshop for Ph.D Students at CIKM 2014, in Shanghai, China, Nov. 2014.
  • 이호경, 양선, 고영중
    " 계산량 감소를 위한 LDA 단어 분포를 이용한 트위터 사용자 성향 분류 기법 "
    한국정보과학회 동계학술발표회 (KIISE 2014), pp. 471-473, December. 2014.
    Ho-Kyung Lee, Seon Yang, and Youngjoong Ko.
    " A Twitter Users' Tendency Clustering Method using LDA Word Distributions for Complexity Reduction. "
    Proceedings of Winter Conference on Korean Institute of Information Scientists and Engineers
    (KIISE 2014), pp. 471-473, December. 2014.
  • 이창수, 고영중
    " 대화형 개인 비서 시스템의 언어 인식 모듈(SLU)를 위한 미등록어(OOV) 처리 기술 "
    제 26회 한글 및 한국어 정보처리 학술대회 pp. 3-8, October 2014.
    ChangSuLee and Youngjoong Ko.
    " A Out-of-vocabulary Processing Technology for the Spoken Language Understanding Module of a Dialogue Based Private Secretary Software. "
    Proceedings of the 26th Annual Conference on Human and Cognitive Language Technology
    (HCLT-2014), pp. 3-8, October 2014.
  • 양선, 고영중
    " 문장으로부터 여러 단어로 구성된 여러 유형의 요소 추출 "
    제 26회 한글 및 한국어 정보처리 학술대회 pp. 73-77, October 2014.
    Seon Yang and Youngjoong Ko.
    " Extacting Multi-type Elements Consisting of Multi-words from Sentences. "
    Proceedings of the 26th Annual Conference on Human and Cognitive Language Technology
    (HCLT-2014), pp. 73-77, October 2014.
  • 황재원, 고영중
    " 듀얼 SMS 스팸 필터링: 그래프 기반 자질 가중치 기법 "
    제 26회 한글 및 한국어 정보처리 학술대회 pp. 95-99, October 2014.
    Jae-Won Hwang and Youngjoong Ko.
    " Dual SMS SPAM Filtering: A Graph-based Feature Weighting Method. "
    Proceedings of the 26th Annual Conference on Human and Cognitive Language Technology
    (HCLT-2014), pp. 73-77, October 2014.
  • 천주룡, 고영중 (우수 논문상)
    " 이질적인 언어 자원의 순차적 매칭을 이용한 문장 유사도 계산 기반의 위키피디아 한국어-영어 병렬 문장 추출 방법 "
    제 26회 한글 및 한국어 정보처리 학술대회 pp. 127-132, October 2014.
    Juryong Cheon and Youngjoong Ko.
    " Extracting Korean-English Parallel Sentences based on Measure of Sentences Similarity Using Sequential Matching of Heterogeneous Language Resources. "
    Proceedings of the 26th Annual Conference on Human and Cognitive Language Technology
    (HCLT-2014), pp. 127-132, October 2014.

# 2013

  • 장순필, 박영민, 강상우, 구명완, 서정연, 김학수, 고영중
       "대화형 개인 비서 소프트웨어를 위한 대화 플랫폼"
       제 40회 한국정보과학회 추계학술대회 pp. 572-574, November 2013.
    Soonpil Jang, Youngmin Park, Sangwoo Kang, Myoungwan Koo, Jungyun Seo, Harksoo Kim and Youngjoong Ko.
       "A Dialogue Platform for an Interactive Personal Assistant Software. "
       Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers
       (KIISE 2013), pp. 572-574, November 2013.  
     
  • 양선, 고영중
       "토픽 모델을 이용한 수학식 검색 결과 재랭킹"
       제 25회 한글 및 한국어 정보처리 학술대회(HCLT-2013), pp. 77-81, October. 2013.
    Seon Yang, and Youngjoong Ko
       "Reranking Search Results for mathematical Equation Retrieval Using Topic Models, "
       Proceedings of the 25st Annual Conference on Human and Cognitive Language Technology
       (HCLT-2013), pp. 77-81, October. 2013.  
     
  • 이창수, 고영중
       "대화형 개인 비서 시스템을 위한 하이브리드 방식의 개체명 및 문장목적 동시 인식기술"
       제 25회 한글 및 한국어 정보처리 학술대회(HCLT-2013), pp. 18-23, October. 2013.
    ChangSu Lee, and Youngjoong Ko
       "A Simultaneous Recognition Technology of Named Entities and Objects for a Dialogue Based Private
       Secretary Software, "
       Proceedings of the 25st Annual Conference on Human and Cognitive Language Technology
       (HCLT-2013), pp. 18-23, October. 2013.  
     
  • 이호경, 천주룡, 송남훈, 고영중
       "LDA를 이용한 트윗 유저의 연령대, 성별, 지역 분석"
       제 25회 한글 및 한국어 정보처리 학술대회(HCLT-2013), pp. 116-119, October. 2013.
    HoKyung Lee, JuRyong Chun, NamHoon Song, and Youngjoong Ko
       "Analyzing ages, gender, location on Twitter using LDA, "
       Proceedings of the 25st Annual Conference on Human and Cognitive Language Technology
       (HCLT-2013), pp. 116-119, October. 2013.  
     

# 2012

  • Kyoungman Bae and Youngjoong Ko,
       "An Effective Category Classification Method Based on a Language Model for Question Category
       Recommendation on a cQA service,"
       Proceedings of the 21st ACM International Conference on Information and Knowledge Management,
       (CIKM 2012), pp. 2255-2258, in Maui Hawaii, USA, Oct-Nov. 2012. (SCOPUS)
     
  • Shinil Kim, Seon Yang and Youngjoong Ko,
       "Mathematical Equation Retrieval Using Plain Words as a Query,"
       Proceedings of the 21st ACM International Conference on Information and Knowledge Management,
       <(CIKM 2012), pp. 2407-2410, in Maui Hawaii, USA, Oct-Nov. 2012.  (SCOPUS)
     
  • Youngjoong Ko,
       "A Study of Term Weighting Schemes Using Class Information for Text Classification."
       Proceedings of the 35th Annual International ACM SIGIR Conference (SIGIR 2012), pp. 1029-1030,
       in Portland Oregon, USA, August 2012. (SCOPUS)
     
  • 이준영, 양선, 고영중
       "평문 질의어 MathML 용어 변환을 이용한 수학식 검색, " (우수 논문상)
       2012 한국컴퓨터종합학술대회 논문집, Vol. 39, No. 1(B), pp. 312-314, June. 2012.
    Junyoung Lee, Seon Yang, and Youngjoong Ko
       "Mathematical Equation Retrieval by Converting Plaintext Queries into MatlML Terms,"
       Proceedings of Korea Computer Congress 2011 (KCC 2012), Vol. 39, No. 1(B),
       pp. 312-314, June. 2012.  
     

# 2011

  • Seon Yang and Youngjoong Ko,
       "Extracting Comparative Entities and Predicates from Texts Using Comparative Type Classification,"
       Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics:
       Human Language Technologies (ACL-HLT 2011), in Portland Oregon, USA, June, 19-24, 2011. (SCOPUS)
     
  • 김성현, 배경만, 고영중
       "일정 및 개인정보 관리 영역에서 온톨로지 기반의 효과적인 개체명 추출 방법에 대한 연구, "
       2011한국정보과학회 학술심포지엄 유비쿼터스 컴퓨팅과 웹 정보기술(UCWIT 2011) No. 2,
       pp. 177-182, December. 2011.
    Sung-Hyun Kim, Kyoung-Man Bae and Youngjoong Ko
       "The Efficient Named Entity Extraction Method Based on Omtology in a Schedule and a Personal
       Information Management Domain,"
       Proceedings of KIISE Symposium Ubiquitous Computing and Web Information Technology
       (UCWIT-2011), Vol. 5, No. 3, pp. 177-182, December. 2011.  
     
  • 김신일, 양선, 고영중
       "한글화된 수식 패턴을 이용한 수학식 검색 시스템, "
       2011 한국컴퓨터종합학술대회 논문집, Vol. 38, No. 1(A), pp. 233-236, June. 2011.
    Shinil Kim, Seon Yang, and Youngjoong Ko
       "A Mathematical Equation Retrieval System Based on Formula Patterns Expressed in Korean,"
       Proceedings of Korea Computer Congress 2011 (KCC 2011), Vol. 38, No. 1(A),
       pp. 233-236, June. 2011.  
     
  • 양선, 고영중
       "비교 문장으로부터 비교 요소 자동 추출, " (우수 논문상)
       2011 한국컴퓨터종합학술대회 논문집, Vol. 38, No. 1(A), pp. 225-228, June. 2011.
    Seon Yang and Youngjoong Ko
       "Extracting Comparative Elements from Comparative Sentence,"
       Proceedings of Korea Computer Congress 2011 (KCC 2011), Vol. 38, No. 1(A),
       pp. 225-228, June. 2011.  
     

# 2010

  • 김성호,배상준,고영중
       "위키피디아를 이용한 질의어의 중의성 해소 및 확장" (우수 논문상)
       제 37회 한국정보과학회 추계학술대회, Vol. 37, No. 2(A), pp. 46-47, November. 2010.
    Sungho Kim, Sangjoon Bae, and Youngjoong Ko
       ""Aumbiguity Resoluion and Expansion of Query using Wikipedia,""
       Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers
       (KIISE-2010), Vol. 37, No. 2(A), pp. 46-47, November. 2010.  
     
  • 황재원,박용현,고영중
       "지능형 말동무 로봇을 위한 효과적인 대화모델링"
       제 37회 한국정보과학회 추계학술대회, Vol. 37, No. 2(A), pp. 44-45, November. 2010.
    Jaewon Hwang, Yonghyun Park, and Youngjoong Ko
       "The Effective Dialogue Modeling for Intelligent Companion Robot,"
       Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers
       (KIISE-2010), Vol. 37, No. 2(A), pp. 44-45, November. 2010.  
     
  • 김신일,양선, 고영중
       "MathML 수식 분류를 위한 자질조합 비교연구"
       "제 22회 한글 및 한국어 정보처리 학술대회(HCLT-2010), pp. 37-41, October. 2010.
    Shinil Kim, Seon Yang, and Youngjoong Ko
       "A Comparative Study on Feature Combination for MathML Formula Classification, "
       Proceedings of the 22nd Annual Conference on Human and Cognitive Language Technology
       (HCLT-2010), pp. 37-41, October. 2010.  
     

# 2009

  • Seon Yang and Youngjoong Ko
       "Extracting Comparative Sentences from Korean Text Documents Using Comparative Lexical Patterns
       and Machine Learning Techniques, "
       Proceedings of Joint Conference of the 47th Annual Meeting of the Association for
       Computational Linguistics and the 4th International Joint Conference on Natural Language
       Processing of the Asian Federation of Natural Language Processing (ACL-IJCNLP 2009),
       in Singapore, Aug. 2009. (SCOPUS)
  • 박용현, 황재원, 고영중
       "모바일 정보 검색을 위한 경량화 된 명사 추출기"
       2009한국정보과학회 학술심포지엄 유비쿼터스 컴퓨팅과 웹 정보기술(UCWIT 2009)
       No. 2, pp. 167-171, December. 2009.
    Yonghyun Park, Jaewon Hwang, and Youngjoong Ko
       "A Light-weighted Noun Extractor for Mobile Information Retrieval,"
       Proceedings of KIISE Symposium Ubiquitous Computing and Web Information Technology
       (UCWIT-2009), Vol. 3, No. 2, pp. 167-171, December. 2009.
  • 김신일, 양선, 고영중
       "음절 자질을 이용한 경량화 된 자동 띄어쓰기 시스템"
       2009한국정보과학회 학술심포지엄 유비쿼터스 컴퓨팅과 웹 정보기술(UCWIT 2009)
       No. 2, pp. 163-166, December. 2009.
    Shinil Kim, Seon Yang, and Youngjoong Ko
       "A Light-weighted Automatic Segmentation System Using Syllable Features,"
       Proceedings of KIISE Symposium Ubiquitous Computing and Web Information Technology
       (UCWIT-2009), Vol. 3, No. 2, pp. 163-166, December. 2009.
  • 배상준, 고영중
       "위키피디아로부터의 한국어 개체명 사전 자동 추출" (우수 논문상)
       제 36회 한국정보과학회 추계학술대회, No. 2(A), pp. 78-79, November. 2009.
    Sangjoon Bae and Youngjoong Ko
       "Automatic Construction of Korean Named Entity Dictionaries from Wikipedia,"
       Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers
       (KIISE-2009), Vol. 36, No. 2(A), pp. 78-79, November. 2009.
  • 황재원, 고영중
       "일반적, 영역 의존적 특성을 반영한 감정 자질의 의미지향성 추정방법"
       제 21회 한글 및 한국어 정보처리 학술대회(HCLT-2009),pp. 155-159, October. 2009.
    Jaewon Hwang and Youngjoong Ko
       "A Semantic Orientation Method of Sentiment Features Based on the General and Domain Dependent
       Characteristics,"
       Proceedings of the 21th Annual Conference on Human and Cognitive Language Technology
       (HCLT-2009), pp. 155-159, October. 2009.
  • 양선, 고영중
       "변환 기반 학습을 이용한 한국어 비교 문장 유형 분류" (우수 논문상)
       제 21회 한글 및 한국어 정보처리 학술대회(HCLT-2009), pp. 31-34, October. 2009.
    Seon Yang and Youngjoong Ko
       "Classifying Korean Comparative Sentences Using Transformation-based Learning,"
       Proceedings of the 21th Annual Conference on Human and Cognitive Language Technology
       (HCLT-2009), pp. 31-34, October. 2009.
  • 정형일, 고영중, 서정연
       "적합성 피드백을 이용한 신문 기사 요약 시스템"
       한국 컴퓨터 종합 학술 대회 July. 2009.
    Hyounil Jeong, Youngjoong Ko, and Jungyun Seo
       "A News Article Summarization Method Using the Pseudo Relevance Feedback Technique,"
       Proceedings of Korea Computer Congress 2009 (KCC 2009), Vol. 36, No.1(B), pp. 101-104,
       July. 2009.

# 2008

  • Sangwoo Kang, Youngjoong Ko, and Jungyun Seo
       "A Plan-based Dialogue Model Using a Discouse Stack for Intelligent Human-Robot Interface
       Development,"
       Proceedings of the 7th International Conference on Advanced Language Processing and Web    Information Technology (ALPIT 2008), in Dalian, Liaoning, China, pp. 162-167, July, 23-25, 2008.
  • 황재원, 고영중
       "한국어 문서 감정분류를 위한 감정 자질 가중치 강화 기법"
       제 20회 한글 및 한국어 정보처리 학술대회(HCLT-2008),pp. 200-205, October. 2008.
    Jaewon Hwang and Youngjoong Ko
       "A Weight Boosting Method of Sentiment Features for Korean Document Sentiment Classification,"
       Proceedings of the 20th Annual Conference on Human and Cognitive Language Technology
       (HCLT-2008), pp. 200-205, October. 2008
  • 양선, 고영중
       "기계학습 기법을 이용한 한국어 비교 문장 추출"
       제 20회 한글 및 한국어 정보처리 학술대회(HCLT-2008), pp. 182-187, October. 2008.
    Seon Yang and Youngjoong Ko
       "Extracting Korean Comarative Sentences by Machine Learning Techniques,"
       Proceedings of the 20th Annual Conference on Human and Cognitive Language Technology
       (HCLT-2008), pp. 182-187, October. 2008.
  • 배상준, 고영중
       "그래프 기반의 상호 중요도 측정기법을 이용한 영역별 개체명 자동 추출" (우수 논문상)
       제 20회 한글 및 한국어 정보처리 학술대회(HCLT-2008), pp. 17-22, October. 2008.
    Sangjoon Bae and Youngjoong Ko
       "Automatic Named Entities Extraction Using the Graph-based Measurement Technique of the
       Mutual Importance,"
       Proceedings of the 20th Annual Conference on Human and Cognitive Language Technology
       (HCLT-2008), pp. 17-22, October. 2008.
  • 배경만, 백종탁, 고영중, 김종훈
       "한국어 문형을 이용한 문장 정규화 기반의 FAQ 자동 응답 시스템"
       제 20회 한글 및 한국어 정보처리 학술대회(HCLT-2008), pp. 171-175, October. 2008.
    Kyoung-man Bae, Jong-Tak Back, Youngjoong Ko, and Jonghoon Kim
       "An Automated FAQ Answering System Based on Sentence Normalization Using Korean
       Sentence Patterns,"
       Proceedings of the 20th Annual Conference on Human and Cognitive Language Technology
       (HCLT-2008), pp. 171-175, October. 2008.
  • 강상우, 박홍민, 고영중, 서정연
       "유사도 계산과 대화전이 네트워크를 이용한 말뭉치 기반 대화 시스템"
       제 20회 한글 및 한국어 정보처리 학술대회(HCLT-2008)), pp. 161-165, October. 2008.
    Sangwoo Kang, Hongmin Park, Youngjoong Ko, and Jungyun Seo
       "The Corpus-based Dialogue System Using a Dialogue Transition Network and a Similarity
       Measure Method,"
       Proceedings of the 20th Annual Conference on Human and Cognitive Language Technology
       (HCLT-2008), pp. 161-165, October. 2008.

# 2007

  • Seon Yang and Youngjoong Ko,
       "Extracting Comparative Entities and Predicates from Texts Using Comparative Type Classification,"
       Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics:
       Human Language Technologies (ACL-HLT 2011), in Portland Oregon, USA, June, 19-24, 2011. 
     
  • 배경만, 고영중, 최호섭, 김종훈
       "논문 검색을 위한 K-means 알고리즘 기반의 검색 결과 내 Clustering"
       한국정보과학회 학술 심포지움 논문집, 제 1권, 제1호, pp.217 ~ 222, December 2007.
    Kyoung-Man Bae, Youngjoong Ko, Hoseop Choe, and Jonghoon Kim
       "A Clustering Method Based on K-means Algorithm for Paper Search Results",
       Proceedings of the 1st KIISE symposium, Vol. 1, No. 1, pp.217 ~ 222, December 2007.
  • 황재원, 고영중
       "효과적인 감정 자질을 이용한 한국어 문서 감정 분류 시스템" (우수 논문상)
       한국정보과학회 2007 가을 학술발표 논문집, 제 34권, 제2호, pp.60~61, October 2007.
    Jeawon Hwang and Youngjoong Ko
       "A Korean Sentiment Classification System Using Effective Emotion Features",
       Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers
       (KIISE-2007), Vol. 34, No. 2, pp. 60-61, October 2007.
  • 김병우, 고영중
       "어휘 의미 패턴(Lexico-Semantic Pattern)과 온톨로지를 이용한 정보검색기의 설계 및 구현",
       HCI 2007 학술대회, 1권, pp. 957-962, Feb. 2007.
    Byoungwoo Kim and Youngjoong Ko (2007),
       "The Design and Implementation of an Information Retrieval System Using Lexico-Semantic
       Pattern and Ontology,"
       Proceedings of Conference on Human and Computer Interaction (HCI-2007),
       Vol.1, pp.957-962, February 2007.
  • 황재원, 전태균, 고영중
       "종자 어휘를 이용한 자질 추출과 지지벡터기계(SVM)을 이용한 문서감정 분류 시스템의 개발",
       HCI 2007 학술대회, 1권, pp. 938-942, Feb. 2007.
    Jeawon Hwang, Taegyun Jeon, and Youngjoong Ko (2007),
       "A Sentiment Classification System Using Feature Extraction from Seed Words and Support
       Vector Machine,"
       Proceedings of Conference on Human and Computer Interaction(HCI-2007),
       Vol.1, pp.938-942, February 2007.
  • 안홍국, 고영중, 서정연
       "유사 적합성 피드백 기반의 문서 요약 기법을 이용한 효과적인 스니펫(snippet)생성",
       HCI 2007 학술대회, 1권, pp. 174-181, Feb. 2007.
    Hongguk An, Youngjoong Ko, Jungyun Seo (2007),
       "An Effective Snippet Generation Method Using Text Summarization Techniques Based on
       Pseudo Relevance Feedback,"
       Proceedings of Conference on Human and Computer Interaction (HCI-2007),
       Vol.1, pp.174-181, February 2007. (SCOPUS)

# 2006

  • Sangwoo Kang, Youngjoong Ko, and Jungyun Seo
       "A Plan-based Model for Efficient Response Generation in Dialogue User Interface",
       The 3rd CIR-COE Joint Workshop On Robot Technologies for Human-Robot Coexistence,
       in KIST, Seoul, Korea, Sept. 3-4, 2006.
  • Youngjoong Ko and Jungyun Seo
       "Learning with Unlabeled Data for Text Categorization Using a Bootstrapping and a Feature
       Projection Technique ",
       Proceedings of the 42nd Annual Meeting of the Association for Computational Linguistics
       (ACL 2004), in Barcelona, Spain, pp.255-262, July 2004.
  • 강상우, 고영중, 서정연
       "대화시스템을 위한 계획인식과 담화스택을 이용한 효과적인 응답 생성",
       제 18회 한글 및 한국어 정보처리 학술 대회(HCLT 2006), pp. 177-182, Oct. 2006.
    Sangwoo Kang, Youngjoong Ko, and Jungyun Seo
       " Using Plan Recognition and a Discourse Stack for Efficient Response Generation in a
       Dialogue System," Proceedings of the 18th Annual Conference on Human and Cognitive
       Language (HCLT-2006), pp. 177-182, October 2006.
  • 강상우, 고영중, 서정연
       "지능형 인간로봇 개발을 위한 계획기반의 대화 모델 설계",
       인간지능 생활지능 지능로봇 기술개발사업단 제6차 기술교류 워크숍, Aug. 2006.
       (
    SCIE,ISSN 0302-9743)
    Sangwoo Kang, Youngjoong Ko, and Jungyun Seo
       "The Design of a Plan-based Dialogue Model for Intelligent Human-Robot Development,"
       The 6th Workshop for Robot Development Technologies, August 2006.

# 2004

  • Hyoungdong Han, Youngjoong Ko, and Jungyun Seo
       "Improving Binary Text Classification Using the EM Algorithm",
       Proceedings of Asian Information Retrieval Symposium, Poster Session(AIRS 2004),
       in Beijing, China, pp.325-328, Oct, 2004.
  • 한형동, 고영중, 서정연
       "EM알고리즘을 이용한 이진 분류 문서 범주화의 성능 향상",
       한국 정보 과학회 추계 발표회 논문집, pp.790-792, Oct. 2004.
    Hyoungdong Han, Youngjoong Ko, and Jungyun Seo
       "Improving Performance of Binary Text Classification Using the EM Algorithm,"
       Proceedings of Fall Conference on Korean Institute of Information Scientists and Engineers
       (KIISE-2004), pp.790-792, October 2004.
  • 심보준, 고영중, 김학수, 서정연
       "자연어 질의응답 시스템을 위한 is-a관계 패턴의 구축과 활용",
       제16회 한글,언어,인지 학술 대회, pp.181-188, Sep. 2004.
    Bojun Shim, Youngjoong Ko, Harksoo Kim, and Jungyun Seo (2004),
       "Extracting and Utilizing is-a Relation Patterns for Question Answering System."
       Proceedings of the 16th Annual Conference on Human and Cognitive Language (HCLT-2004),
       pp.181-188, October 2004.
  • 정운철, 고영중, 서정연
       "2단계 문장 추출방법을 이용한 자동 문서 요약",
       한국 정보 과학회 춘계 발표회 논문집(B), pp.910-912, April. 2004.
    Wooncheol Jung, Youngjoong Ko, and Jungyun Seo
       "Text Summarization with Two Step Sentence Extraction," Proceedings of Spring Conference
       on Korean Institute of Information Scientists and Engineers (KIISE-2004),
       pp.910-912, April. 2004.

# 2002

  • Youngjoong Ko and Jungyun Seo
       "Text Categorization Using Feature Projections",
       Proceedings of the 19th International Conference on Computational Linguistics
       (COLING 2002) , in Taipei, Taiwan, pp.467-473, August, 2002.
  • Youngjoong Ko, Jinwoo Park, and Jungyun Seo
       "Automatic Text Categorization using the Importance of Sentences ",
       Proceedings of the 19th International Conference on Computational Linguistics
       (COLING 2002), in Taipei, Taiwan, pp.474-480, August, 2002.
  • 김건오, 고영중, 서정연
       "어휘 클러스터링을 이용한 자동 문서 요약",
       한국 정보 과학회 춘계 발표회 논문집, pp. 463-465, April. 2002.
    Kono Kim, Youngjoong Ko, Jungyun Seo
       "Automatic Text Summarization with Lexicla Clustering," Proceedings of Spring Conference of
       Korean Institue of Information Scientists and Engineers (KIISE-2002), pp.463-465, April 2002.

# 2001

  • Choong-Nyoung Seon, Youngjoong Ko, Jeong-Seok Kim, and Jungyun Seo
       "Named Entity Recognition using Machine Learning Methods and Pattern-Selection Rules",
       Proceedings of 6th Natural Language Processing Pacific Rim Symposium (NLPRS 2001) ,
       in Tokyo, Japan, pp.229-236, November, 2001.
  • 박진우, 고영중, 서정연
       "문서 요약 기법을 이용한 자동 문서 범주화",
       한글 및 한국어 정보 처리 학술대회 논문집, pp.138-145, October 2001.
    Jinwoo Park, Youngjoong Ko, and Jungyun Seo (2001),
       "Automatic Text Catagorization Using Text Summarization Techniques,"
       Proceedings of 13th Annual Conference on Human and Cognitive Language
       (HCLT-2006), pp.138-145, October 2001.

# 2000

  • Youngjoong Ko and Jungyun Seo
       "Automatic Text Categorization by Unsupervised Learning",
       Proceedings of The 18th International Conference on Computational Linguistics
       (COLING 2000) , in Saarbrucken, Germany, pp.453-459, July, 2000.
  • Youngjoong Ko, Sooyong Park, and Jungyun Seo
       "Web-based Requirements Elicitation Supporting System Using Requirements Categorization",
       Proceedings of Twelfth International Conference on Software Engineering and Knowledge
       Engineering , in Chicago, USA, pp.344-351, July, 2000.

# 1999

  • Harksoo Kim, Youngjoong Ko, Sooyong Park, and Jungyun Seo
       "Informal Requirements Analysis Supporting System for Human Engineer",
       Proceedings of Conference on IEEE SMC99, Vol.3, in Tokyo JAPAN, pp.1013-1018, Oct.
       1999.  (SCOPUS)
  • 고영중, 서정연
       "다중 모드 대화 시스템에서의 표정과 제스쳐를 결합한 화행 분석",
       '99 한국인지과학회 춘계 학술대회 논문집, pp.199-204, May. 1999.
    Youngjoong Ko and Jungyun Seo
       "Speech Act Analysis with Facial Expressions and Gestures in a Multi-Model Dialogue
       System, "Proceedings of Conference of Korea Cognitive Science society,
       pp.199-204, May 1999.
  • 김학수, 고영중, 박수용, 서정연
       "문서간 유사도 측정을 통한 효율적인 사용자 요구 분석",
       HCI'99 학술대회 논문집, pp.73-79, Feb. 1999.
    Harksoo Kim, Youngjoong Ko, Sooyoung Park, and Jungyun Seo
       ""Efficient Analysis of User Requirements by Measuring the Similarity of Documents,"
       Proceedings of Conference on Human and Computer Interaction (HCI-1999), pp.73-79,
       February 1999.