Publications

#2023

• Jaeah You and Youngjoong Ko
  "Topic-Informed Dialogue Summarization using Topic Distribution and Prompt-based Modeling."
  Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing (EMNLP 2023, findings), in Singapore, December 2023. [LINK]


• Youngjae Chang, Dooyoung Kim, Jinyoung Kim, Hyunmook Cha, Keunha Kim, Sooyoung Min, Youngjoong Ko, Kye-Hwan Lee and Joonwoo Park
  "Contrastively Pretrained Vision-Language Transformers and Domain Adaptation Methods for Multimodal TOD Systems."
  Proceedings of the DSTC11 Workshop in the 24th Annual Meeting on the Special Interest Group on Discourse and Dialogue (SIGdial 2023), in Prague, September 2023. [LINK]


• Honghee Lee, Youngjae Chang, Kyuri Choi, Jongwuk Lee and Youngjoong Ko
  "Statistical and Generative Models with Subtitle Extraction for Next Product Title Generation."
  Proceedings of the KDD Cup 2023 Workshop in the 29th ACM SIGKDD Conference on Knowledge Discovery and Data Mining (KDD 2023), in Long Beach, August 2023. [LINK]


• Sunyoung Park, Kyuri Choi, Haeun Yu and Youngjoong Ko
  "Never Too Late to Learn: Regularizing Gender Bias in Coreference Resolution."
  Proceedings of the 16th ACM International Conference on Web Search and Data Mining (WSDM 2023), pp. 15-23, February 2023.
  (BK Plus Computer Science IF=3) [LINK]

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#2022

• 김진영, 최봉근, 고영중
  "Pretrained Language Model과 Graph Attention Network를 이용한 화행분석"
  2022 한국소프트웨어종합학술대회, pp. 383-385, 2022년 12월. [DBpia]
  Jinyoung Kim, Bonggeun Choi and Youngjoong Ko
  "Speech-Act Classification Using a Pretrained Language Model and Graph Attention Network"
  Proceedings of Korea Software Congress 2022 (KSC 2022), pp. 383-385, December 2022.


• 차현묵, 최봉근, 고영중 (우수 논문상)
  "BERT 기반 어절 임베딩 구축과 이를 활용한 한국어 의미역 결정"
  2022 한국소프트웨어종합학술대회, pp. 1430-1432, 2022년 12월. [DBpia]
  Hyunmook Cha, Bonggeun Choi and Youngjoong Ko (Best Paper Award)
  "Korean Semantic Role Labeling by Constructing Eojeol Embedding based on BERT"
  Proceedings of Korea Software Congress 2022 (KSC 2022), pp. 1430-1432, December 2022.


• 김근하, 최봉근, 고영중
  "BERT를 이용한 Wordpiece 토큰 기반의 의존 구문 분석"
  2022 한국소프트웨어종합학술대회, pp. 1436-1438, 2022년 12월. [DBpia]
  Keunha Kim, Bonggeun Choi and Youngjoong Ko
  "Dependency Parsing with BERT based on Wordpiece"
  Proceedings of Korea Software Congress 2022 (KSC 2022), pp. 1436-1438, December 2022.


• 이하은, 최봉근, 고영중 (우수 논문상)
  "프롬프트 기반 개체명 단서 사전을 활용한 개체명 인식"
  2022 한국소프트웨어종합학술대회, pp. 1427-1429, 2022년 12월. [DBpia]
  Haeun Lee, Bonggeun Choi and Youngjoong Ko (Best Paper Award)
  "Prompt-based Named Entity Recognition using Named Entity Clue Dictionary"
  Proceedings of Korea Software Congress 2022 (KSC 2022), pp. 1427-1429, December 2022.


• Choongwon Park and Youngjoong Ko
  "QSG Transformer: Transformer with Query-Attentive Semantic Graph for Query-Focused Summarization."
  Proceedings of the 45th Annual International ACM SIGIR Conference (SIGIR 2022), pp. 2589-2594, in Madrid, Spain, July 2022.
  (BK Plus Computer Science IF=4) [LINK]


• Taehun Huh and Youngjoong Ko
  "Lightweight Meta-Learning for Low-Resource Abstractive Summarization."
  Proceedings of the 45th Annual International ACM SIGIR Conference (SIGIR 2022), pp. 2629-2633, in Madrid, Spain, July 2022.
  (BK Plus Computer Science IF=4) [LINK]


• Dongcheol Son, Youngjae Chang, Youngjoong Ko and Jaehwan Lee
  "Domain Adaptive Task-Oriented Dialog System for Deep Understanding of Multimodal Conversation."
  Proceedings of the DSTC10 Workshop in the Thirty-Sixth AAAI Conference on Artificial Intelligence (AAAI 2022), in Virtual Conference, March 2022. [LINK]


• Haeun Yu, Taesuk Hong, Youngjoong Ko and Kwangyong Lee
  "Adapting Pre-trained Language Model for Dialogue State Tracking on Spoken Conversations."
  Proceedings of the DSTC10 Workshop in the Thirty-Sixth AAAI Conference on Artificial Intelligence (AAAI 2022), in Virtual Conference, March 2022. [LINK]


• Junhee Cho, Taesuk Hong, Choongwon Park, Jaeah You, Youngjoong Ko and Kwanyoung Son
  "Various Uses of Pre-trained Language Model for a Knowledge-grounded Task Oriented Dialogue System."
  Proceedings of the DSTC10 Workshop in the Thirty-Sixth AAAI Conference on Artificial Intelligence (AAAI 2022), in Virtual Conference, March 2022. [LINK]

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#2021

• Bosung Kim, Hyewon Choi, Haeun Yu 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 (CIKM 2021), pp. 854–862, in Virtual Conference, November 2021.
  (BK Plus Computer Science IF=3) [LINK]


• Meoungjun Kim and Youngjoong Ko
  "Self-supervised Fine-tuning for Efficient Passage Re-ranking."
  Proceedings of the 30th ACM International Conference on Information and Knowledge Management (CIKM 2021), pp. 3142–3146, in Virtual Conference, November 2021.
  (BK Plus Computer Science IF=3) [LINK]


• Dongcheol Son and Youngjoong Ko
  "Self-Supervised Learning based on Sentiment Analysis with Word Weight Calculation."
  Proceedings of the 30th ACM International Conference on Information and Knowledge Management (CIKM 2021), pp. 3428–3432, in Virtual Conference, November 2021.
  (BK Plus Computer Science IF=3) [LINK]


• 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 (CIKM 2021), pp. 2950–2954, in Virtual Conference, November 2021.
  (BK Plus Computer Science IF=3) [LINK]


• Janghoon Han, Taesuk Hong, Byoungjae Kim, Youngjoong Ko and Jungyun Seo
  "Fine-grained Post-training for Improving Retrieval-based Dialogue Systems"
  Proceedings of 2021 Annual Conference of the North American Chapter of the Association for Computational Linguistics (NAACL 2021), pp. 1549–1558, in Virtual Conference, June 2021.
  (BK Plus Computer Science IF=2) [LINK]


• Gihwan Kim and Youngjoong Ko
  "Graph-based Fake News Detection using a Summarization Technique"
  Proceedings of the 16th Conference of the European Chapter of the Association for Computational Linguistics (EACL 2021), pp. 3276–3280, in Virtual Conference, April 2021.
  (BK Plus Computer Science IF=2) [LINK]


• Bosung Kim, Juae Kim, Youngjoong Ko and Jungyun Seo
  "Commonsense Knowledge Augmentation for Low-Resource Languages via Adversarial Learning"
  Proceedings of the Thirty-Fifth AAAI Conference on Artificial Intelligence (AAAI 2021), Vol. 35, No. 7, pp. 6393-6401, in Virtual Conference, February 2021.
  (BK Plus Computer Science IF=4) [LINK]


• Byoungjae Kim, Inkwon Lee, Yeonseok Jeong, Youngjoong Ko, Myoung-Wan Koo and Jungyun Seo
  "Improving Multimodal API Prediction via Adding Dialog State and Various Multimodal Gates"
  Proceedings of the DSTC9 Workshop in the Thirty-Fifth AAAI Conference on Artificial Intelligence (AAAI 2021), in Virtual Conference, February 2021. [LINK]


• Younghoon Jeong, Sejin Lee, Youngjoong Ko and Jungyun Seo
  "TOM: End-to-End Task-Oriented Multi-Modal Dialgue System with GPT-2"
  Proceedings of the DSTC9 Workshop in the Thirty-Fifth AAAI Conference on Artificial Intelligence (AAAI 2021), in Virtual Conference, February 2021. [LINK]

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#2020

• Bosung Kim, Taesuk Hong, Youngjoong Ko and Jungyun Seo
  "Multi-Task Learning for Knowledge Graph Completion with Pre-trained Language Models"
  Proceedings of the 28th International Conference on Computational Linguistics (COLING 2020), pp. 1737–1743, in Virtual Conference, December 2020.
  (BK Plus Computer Science IF=2) [LINK]

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#2019

• 최혜원, 장대식, 손동철, 이승욱, 고영중
  "SNS 채팅 데이터에 적응적인 Self-Attention 기반 문맥의존 철자오류 교정 시스템"
  제31회 한글 및 한국어 정보처리 학술대회, pp. 362-367, 2019년 10월. [KoreaScience]
  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.


• 박찬민, 박영준, 고영중, 서정연
  "한국어 ELMo 임베딩을 이용한 의미역 결정"
  2019 한국컴퓨터종합학술대회, pp. 608-610, 2019년 6월. [DBpia]
  Chanmin Park, Yeongjoon Park, Youngjoong Ko and Jungyun Seo
  "Semantic Role Labeling using the Korean ELMo Embedding"
  Proceedings of Korea Computer Congress 2019 (KCC 2019), pp. 608-610, June 2019.


• 허광호, 고영중, 서정연
  "저-자원 언어의 번역 향상을 위한 다중-언어 기계번역"
  2019 한국컴퓨터종합학술대회, pp. 649-651, 2019년 6월. [DBpia]
  Guanghao Xu, Youngjoong Ko and Jungyun Seo
  "Improving Low-resource Machine Translation by utilizing Multilingual, Out-domain Resources"
  Proceedings of Korea Computer Congress 2019 (KCC 2019), pp. 649-651, June 2019.

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#2018

• Dongsuk O, Sunjae Kwon, Kyungsun Kim and Youngjoong Ko
  "Word Sense Disambiguation Based on Word Similarity Calculation Using Word Vector Representation from a Knowledge-based Graph"
  Proceedings of the 27th International Conference on Computational Linguistics (COLING 2018), pp. 2704-2714, in Santa Fe, New-Mexico, USA, August 2018.
  (BK Plus Computer Science IF=2) [LINK]


• 박영준, 서민영, 김주애, 고영중, 서정연
  "화행 분석의 도메인 확장을 위한 부트스트래핑 기법이 적용된 계층적 SVM 분류기"
  2018 한국소프트웨어종합학술대회, pp. 602-604, 2018년 12월. [KoreaScience]
  Yeoungjoon Park, Minyeong Seo, Juae Kim, Youngjoong Ko and Jungyun Seo
  "Hierarchical SVM Classifier using Bootstrapping for Domain Expansion in Analysis of Speech Act"
  Proceedings of Korea Software Congress 2018 (KSC 2018), pp. 602-604, December 2018.


• 박용신, 고영중
  "문장 유형과 양태 정보를 이용한 합성곱 신경망 기반의 대화체 발화 화행 분석"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 642-648, 2018년 10월. [KoreaScience]
  Yongsin Park and Youngjoong Ko
  CNN Based Speech-act Classification Using Sentence Types and Modalities"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 642-648, October 2018.


• 양선, 김혜민, 고영중
  "두 종류의 임베딩을 이용한 수식 검색 성능 개선"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 616-622, 2018년 10월. [KoreaScience]
  Seon Yang, Heymin Kim and Youngjoong Ko
  "Performance Improvement of Mathematical Formula Retrieval Using Two Different Kinds of Embedding"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 616-622, October 2018.


• 김혜민, 양선, 고영중
  "자모 및 음절 임베딩 결합을 이용한 오타에 효과적인 한국어 형태소 분석"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 574-579, 2018년 10월. [KoreaScience]
  Hyemin Kim, Seon Yang and Youngjoong Ko
  "Effective Korean POS Tagging for Typing Errors Using the Concatenation of Jamo and Syllable Embedding"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 574-579, October 2018.


• 허광호, 고영중, 서정연
  "신경망 기반 기계 번역을 위한 역-번역을 이용한 한영 병렬 코퍼스 확장"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 470-473, 2018년 10월. [KoreaScience]
  Guanghao Xu, Youngjoong Ko and Jungyun Seo
  "Expanding Korean/English Parallel Corpora Using Back-translation for Neural Machine Translation"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 470-473, October 2018.


• 김보성, 김주애, 이정엄, 김선아, 고영중, 서정연
  "Self-Attention 기반의 문장 임베딩을 이용한 효과적인 문장 유사도 기법 기반의 FAQ 시스템"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 361-363, 2018년 10월. [KoreaScience]
  Bosung Kim, Juae Kim, Jeongeom Lee, Seona Kim, Youngjoong Ko and Jungyun Seo
  "An Effective Sentence Similarity Measure Method Based FAQ System Using Self-Attentive Sentence Embedding"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 361-363, October 2018.


• 윤정민, 고영중
  "주의집중 메커니즘 기반의 양방향 GRU-CRF를 이용한 화행 분석과 슬롯 필링 공동 학습 모델"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 252-255, 2018년 10월. [KoreaScience]
  Jeongmin Yoon and Youngjoong Ko
  "A Joint Learning Model for Speech-act Analysis and Slot Filling Using Bidirectional GRU-CRF Based on Attention Mechanism"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 252-255, October 2018.


• 서민영, 홍태석, 김주애, 고영중, 서정연
  "계층 구조 어텐션 매커니즘에 기반한 CNN-RNN을 이용한 한국어 화행 분석 시스템"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 243-246, 2018년 10월. [KoreaScience]
  Minyeong Seo, Taesuk Hong, Juae Kim, Youngjoong Ko and Jungyun Seo
  "Hierarchical Attention Based CNN-RNN Networks for the Korean Speech-act Analysis"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 243-246, October 2018.


• 김기환, 서지수, 이경열, 고영중
  "띄어쓰기 및 문장 경계 인식을 위한 다중 손실 선형 결합 기반의 다중 클래스 분류 시스템"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 185-188, 2018년 10월. [KoreaScience]
  Gihwan Kim, Jisu Seo, Kyungyeol Lee and Youngjoong Ko
  "Multi-class Classification System Based on Multi-loss Linear Combination for Word Spacing and Sentence Boundary Detection"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 185-188, October 2018.


• 유홍연, 이승우, 고영중 (우수 논문상)
  "실시간 이슈 분석을 위한 뉴스 군집화 및 다중 문서 요약"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 132-140, 2018년 10월. [KoreaScience]
  Hongyeon Yu, Seungwoo Lee and Youngjoong Ko (Best Paper Award)
  "News Clustering and Multi-Document Summarization for Real-time Issue Analysis"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 132-140, October 2018.


• 유홍연, 이승우, 고영중
  "단어 관련성 추정과 바이트 페어 인코딩(Byte Pair Encoding)을 이용한 요약 기반 다중 뉴스 기사 제목 추출"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 115-119, 2018년 10월. [KoreaScience]
  Hongyeon Yu, Seungwoo Lee and Youngjoong Ko
  "Summarization Based Multi-news Title Extraction Using Term Relevance Estimation and Byte Pair Encoding"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 115-119, October 2018.


• 안재현, 고영중 (우수 논문상)
  "합성곱 신경망에 의한 발화 임베딩을 사용한 유사도 측정 기반의 채팅 말뭉치 반자동 확장 방법"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 95-100, 2018년 10월. [KoreaScience]
  Jaehyun An and Youngjoong Ko (Best Paper Award)
  "Semi-automatic Expansion for a Chatting Corpus Based on Similarity Measure Using Utterance Embedding by CNN"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 95-100, October 2018.


• 이승욱, 유홍연, 고영중
  "학습 데이터 확장을 통한 딥러닝 기반 인과관계 추출 모델"
  제30회 한글 및 한국어 정보처리 학술대회, pp. 61-68, 2018년 10월. [KoreaScience]
  Hyewon Choi, Daesik Jang, DongCheol Son, Seungwook Lee and Youngjoong Ko
  "Deep Learning Based Causal Relation Extraction with Expansion of Training Data"
  Proceedings of the 30th Annual Conference on Human and Cognitive Language Technology (HCLT 2018), pp. 61-68, October 2018.

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#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), pp. 47-51, in Taiwan, November 2017. [LINK]


• 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), pp. 2139-2142, in Singapore, November 2017.
  (BK Plus Computer Science IF=3) [LINK]


• 윤정민, 고영중 (우수 논문상)
  "노출 편향 문제에 효과적인 대화 단위 RNN-CNN 기반의 화행 분석 시스템"
  2017 한국소프트웨어종합학술대회, pp. 643-645, 2017년 12월. [DBpia]
  Jungmin Yoon and Youngjoong Ko (Best Paper Award)
  "The Korean Speech-Act Analysis System Based on RNN-CNN for Speech-Act Analysis of Dialogue Level"
  Proceedings of Korea Software Congress 2017 (KSC 2017), pp. 643-645, December 2017.


• 유홍연, 고영중
  "주제 일치도 기반의 N-gram 문장 정보를 이용한 경제 분야 문장 분류"
  2017 한국소프트웨어종합학술대회, pp. 622-624, 2017년 12월. [DBpia]
  Hongyeon Yoo and Youngjoong Ko
  "Economical Sentence Classification Using the Information of N-gram Sentences Based on Topic Matching Measure"
  Proceedings of Korea Software Congress 2017 (KSC 2017), pp. 622-624, December 2017.


• 안재현, 고영중 (우수 발표 논문상)
  "음절 단위 태그 분포와 멀티 태스크 학습 기반 포인터 네트워크를 이용한 한국어 의존 구문 분석"
  2017 한국소프트웨어종합학술대회, pp. 613-615, 2017년 12월. [DBpia]
  Jaehyun An and Youngjoong Ko (Best Presentation Paper Award)
  "The Korean Dependency Parser for Pointer Networks based on Multi-task learning and Relation Label Distribution of Syllables"
  Proceedings of Korea Software Congress 2017 (KSC 2017), pp. 613-615, December 2017.


• 김혜민, 양선, 고영중
  "기분석 어절사전 축소를 통한 한국어 형태소 분석에서의 메모리 및 수행 시간 최적화"
  2017 한국소프트웨어종합학술대회, pp. 646-648, 2017년 12월. [DBpia]
  Hyemin Kim, Seon Yang and Youngjoong Ko
  "Memory and Time Optimization through Reduction of Pre-analyzed Eojeol Dictionaries in Korean POS Analysis"
  Proceedings of Korea Software Congress 2017 (KSC 2017), pp. 646-648, December 2017.


• 정유진, 김주애, 고영중, 서정연 (우수 논문상)
  "개체명 인식 성능 향상을 위한 배깅 기반의 부트스트래핑 기법"
  2017 한국소프트웨어종합학술대회, pp. 631-633, 2017년 12월. [DBpia]
  Yoojin Jeong, Juae Kim, Youngjoong Ko and Jungyun Seo (Best Paper Award)
  "Bagging Based Bootstrapping Method to Improve Named Entity Recognition"
  Proceedings of Korea Software Congress 2017 (KSC 2017), pp. 631-633, December 2017.


• 염홍선, 고영중, 서정연
  "합성곱 신경망을 이용한 음절 표상의 학습을 통한 대화 시스템의 사용자 발화 의도 분석"
  2017 한국컴퓨터종합학술대회, pp. 618-620, 2017년 6월. [DBpia]
  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 연차 학술대회, 2017년 5월.
  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 연차 학술대회, 2017년 5월.
  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 연차 학술대회, 2017년 5월.
  Jungmin Yoon and Youngjoong Ko
  "A Semantic Role Labeling Model based on Bi-LSTM-CRFs using Expanded Word Representation by SRL Label Distribution of Syllablea"
  Proceedings of Conference on Korea Cognitive Science Society, May 2017.

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#2016

• 김혜민, 윤정민, 안재현, 배경만, 고영중
  "품사 분포와 Bidirectional LSTM CRFs를 이용한 음절 단위 형태소 분석기"
  제28회 한글 및 한국어 정보처리 학술대회, pp. 3-8, 2016년 10월. [KoreaScience]
  Hyemin Kim, Jungmin Yoon, Jaehyun An, Kyoungman Bae and 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.


• 유홍연, 고영중 (우수 논문상)
  "품사 임베딩과 음절 단위 개체명 분포 기반의 Bidirectional LSTM CRFs를 이용한 개체명 인식"
  제28회 한글 및 한국어 정보처리 학술대회, pp. 105-110, 2016년 10월. [KoreaScience]
  Hongyeon Yu and Youngjoong Ko (Best Paper Award)
  "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. 105-107, October 2016.


• 안재현, 이호경, 고영중
  "의존 경로와 음절단위 의존 관계명 분포 기반의 Bidirectional-LSTM-CRFs를 이용한 한국어 의존 관계명 레이블링"
  제28회 한글 및 한국어 정보처리 학술대회, pp. 14-19, 2016년 10월. [KoreaScience]
  Jaehyun An, Hokyung Lee and 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"
  제28회 한글 및 한국어 정보처리 학술대회, pp. 220-225, 2016년 10월. [KoreaScience]
  Hokyung 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"
  제28회 한글 및 한국어 정보처리 학술대회, pp. 324-329, 2016년 10월. [KoreaScience]
  Jungmin Yoon, Kyoungman Bae and Youngjoong Ko
  "Korean Semantic Role Labeling Based on Bidirectional LSTM CRFs Using the Semantic Label Distribution of Syllables"
  Proceedings of the 28th Annual Conference on Human and Cognitive Language Technology (HCLT 2016), pp. 324-332, October 2016.

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#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), pp. 818-822, in Beijing, China, July 2015.
  (BK Plus Computer Science IF=4) [LINK]


• 천주룡, 고영중 (우수 논문상)
  "위키피디아로부터의 자동 병렬 문장 추출 기법을 이용한 영어-한국어 교차언어 정보검색의 번역 성능 개선"
  제27회 한글 및 한국어 정보처리 학술대회, pp. 35-40, 2015년 10월. [KoreaScience]
  Jungmin Yoon, Kyoungman Bae and Youngjoong Ko (Best Paper Award)
  "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"
  제27회 한글 및 한국어 정보처리 학술대회, pp. 220-223, 2015년 10월. [KoreaScience]
  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, pp. 675-677, 2015년 6월. [KoreaScience]
  Namhoon Song, Kyoungman Bae, Youngjoong Ko (Best Paper Award)
  "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, pp. 745-747, 2015년 6월. [DBpia]
  Taehyun Kim, Changsu Lee, Jaewon Hwang, 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. 745-747, June 2015.

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#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, pp. 51-55, in Shanghai, China, November 2014. [LINK]


• 이호경, 양선, 고영중
  "계산량 감소를 위한 LDA 단어 분포를 이용한 트위터 사용자 성향 분류 기법"
  2014 한국정보과학회 동계학술발표대회, pp. 471-473, 2014년 12월. [DBpia]
  Hokyung Lee, Seon Yang and Youngjoong Ko
  "A Twitter Users' Tendency Clustering Method Using LDA Word Distibutions for Complexity Reduction"
  Proceedings of Winter Conference on Korean Institute of Information Scientists and Engineers (KIISE 2014), pp. 471-473, December 2014.


• 천주룡, 고영중 (우수 논문상)
  "이질적인 언어 자원의 순차적 매칭을 이용한 문장 유사도 계산 기반의 위키피디아 한국어-영어 병렬 문장 추출 방법"
  제26회 한글 및 한국어 정보처리 학술대회, pp. 127-132, 2014년 10월. [KoreaScience]
  Juryong Cheon and Youngjoong Ko (Best Paper Award)
  "Extracting Korean-English Parallel Sentences Based on the Measure of Sentences Similarity Using the 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.


• 황재원, 고영중
  "듀얼 SMS 스팸 필터링: 그래프 기반 자질 가중치 기법"
  제26회 한글 및 한국어 정보처리 학술대회, pp. 95-99, 2014년 10월. [KoreaScience]
  Jaewon 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. 95-99, October 2014.


• 양선, 고영중
  "문장으로부터 여러 단어로 구성된 여러 유형의 요소 추출"
  제26회 한글 및 한국어 정보처리 학술대회, pp. 73-77, 2014년 10월. [KoreaScience]
  Seon Yang and Youngjoong Ko
  "Extracting 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.


• 이창수, 고영중
  "대화형 개인 비서 시스템의 언어 인식 모듈(SLU)를 위한 미등록어(OOV) 처리 기술"
  제26회 한글 및 한국어 정보처리 학술대회, pp. 3-8, 2014년 10월. [KoreaScience]
  Changsu Lee and Youngjoong Ko
  "An 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.

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#2013

• 장순필, 박영민, 강상우, 구명완, 서정연, 김학수, 고영중
  "대화형 개인 비서 소프트웨어를 위한 대화 플랫폼"
  2013 한국정보과학회 추계학술발표대회, pp. 572-574, 2013년 11월. [DBpia]
  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"
  제25회 한글 및 한국어 정보처리 학술대회, pp. 77-81, 2013년 10월. [KoreaScience]
  Seon Yang and Youngjoong Ko
  "Reranking Search Results for mathematical Equation Retrieval Using Topic Models"
  Proceedings of the 25th Annual Conference on Human and Cognitive Language Technology (HCLT 2013), pp. 77-81, October 2013.


• 이창수, 고영중 (우수 논문상)
  "대화형 개인 비서 시스템을 위한 하이브리드 방식의 개체명 및 문장목적 동시 인식기술"
  제25회 한글 및 한국어 정보처리 학술대회, pp. 18-23, 2013년 10월. [KoreaScience]
  Changsu Lee and Youngjoong Ko (Best Paper Award)
  "A Simultaneous Recognition Technology of Named Entities and Objects for a Dialogue Based Private Secretary Software"
  Proceedings of the 25th Annual Conference on Human and Cognitive Language Technology (HCLT 2013), pp. 13-23, October 2013.


• 이호경, 천주룡, 송남훈, 고영중
  "LDA를 이용한 트윗 유저의 연령대, 성별, 지역 분석"
  제25회 한글 및 한국어 정보처리 학술대회, pp. 116-119, 2013년 10월. [KoreaScience]
  Hokyung Lee, Juryong Chun, Namhoon Song and Youngjoong Ko
  "Analyzing ages, gender, location on Twitter Using LDA"
  Proceedings of the 25th Annual Conference on Human and Cognitive Language Technology (HCLT 2013), pp. 116-119, October 2013.

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#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 (CKIM 2012), pp. 2255-2258, in Maui Hawaii, USA, October-November 2012.
  (BK Plus Computer Science IF=3) [LINK]


• 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 (CKIM 2012), pp. 2407-2410, in Maui Hawaii, USA, October-November 2012.
  (BK Plus Computer Science IF=3) [LINK]


• 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.
  (BK Plus Computer Science IF=4) [LINK]


• 이준영, 양선, 고영중 (우수 논문상)
  "평문 질의어 MathML 용어 변환을 이용한 수학식 검색"
  2012 한국컴퓨터종합학술대회 제39권 제1호(B), pp. 312-314, 2012년 6월. [DBpia]
  Junyoung Lee, Seon Yang and Youngjoong Ko (Best Paper Award)
  "Mathematical Equation Retrieval by Converting Plaintext Queries into MathML Terms"
  Proceedings of Korea Computer Congress 2012 (KCC 2012), Vol. 39, No. 1(B), pp. 312-314, June 2012.

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#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), pp. 1636-1644, in Portland Oregon, USA, June 2011.
  (BK Plus Computer Science IF=4) [LINK]


• 김성현, 배경만, 고영중
  "일정 및 개인정보 관리 영역에서 온톨로지 기반의 효과적인 개체명 추출 방법에 대한 연구"
  2011 한국정보과학회 학술심포지엄 유비쿼터스 컴퓨팅과 웹 정보기술 제5권 제3호, pp. 177-182, 2011년 12월.
  Sunghyun Kim, Kyoungman Bae and Youngjoong Ko
  "The Efficient Named Entity Extraction Method Based on Ontology in a Schedule and a Personal Information Management Domain"
  Proceedings of KIISE Symposium Ubiquitous Computing and Web Information Technology 2011 (UCWIT 2011), Vol. 5, No. 3, pp. 177-182, December 2011.


• 양선, 고영중 (우수 논문상)
  "비교 문장으로부터 비교 요소 자동 추출"
  2011 한국컴퓨터종합학술대회 제38권 제1호(A), pp. 225-228, 2011년 6월. [DBpia]
  Seon Yang and Youngjoong Ko (Best Paper Award)
  "Extracting Comparative Elements from Comparative Sentence"
  Proceedings of Korea Computer Congress 2011 (KCC 2011), Vol. 38, No. 1(A), pp. 225-228, June 2011.


• 김신일, 양선, 고영중
  "한글화된 수식 패턴을 이용한 수학식 검색 시스템"
  2011 한국컴퓨터종합학술대회 제38권 제1호(A), pp. 233-236, 2011년 6월. [DBpia]
  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.

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#2010

• 김성호, 배상준, 고영중 (우수 논문상)
  "위키피디아를 이용한 검색어의 중의성 해소 및 확장"
  2010 한국정보과학회 추계학술발표대회 제37권 제2호(A), pp. 46-47, 2010년 11월. [KoreaScience]
  Sungho Kim, Sangjoon Bae and Youngjoong Ko (Best Paper Award)
  "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 대화 모델링"
  2010 한국정보과학회 추계학술발표대회 제37권 제2호(A), pp. 44-45, 2010년 11월. [DBpia]
  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"
  제22회 한글 및 한국어 정보처리 학술대회, pp. 37-41, 2010년 10월. [KoreaScience]
  Hokyung Lee, Juryong Chun, Namhoon Song and Youngjoong Ko
  "A Comparative Study on Feature Combination for MathML Formula Classification"
  Proceedings of the 22th Annual Conference on Human and Cognitive Language Technology (HCLT 2010), pp. 37-41, October 2010.

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#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-IJNLP 2009), pp. 153-156, in Singapore, August 2009.
  (BK Plus Computer Science IF=4) [LINK]


• 박용현, 황재원, 고영중
  "모바일 정보 검색을 위한 경량화된 명사 추출기"
  2009 한국정보과학회 학술심포지엄 유비쿼터스 컴퓨팅과 웹 정보기술 제3권 제2호, pp. 167-171, 2009년 12월.
  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 2009 (UCWIT 2009), Vol. 3, No. 2, pp. 167-171, December 2009.


• 김신일, 양선, 고영중
  "음절 자질을 이용한 경량화된 자동 띄어쓰기 시스템"
  2009 한국정보과학회 학술심포지엄 유비쿼터스 컴퓨팅과 웹 정보기술 제3권 제2호, pp. 163-166, 2009년 12월.
  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 2009 (UCWIT 2009), Vol. 3, No. 2, pp. 163-166, December 2009.


• 배상준, 고영중 (우수 논문상)
  "위키피디아로부터의 한국어 개체명 사전 자동 추출"
  2009 한국정보과학회 추계학술발표대회 제36권 제2호(A), pp. 78-79, 2009년 11월. [DBpia]
  Sangjoon Bae and Youngjoong Ko (Best Paper Award)
  "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"
  제21회 한글 및 한국어 정보처리 학술대회, pp. 155-159, 2009년 10월. [KoreaScience]
  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 (우수 논문상)
  "변환 기반 학습을 이용한 한국어 비교 문장 유형 분류"
  제21회 한글 및 한국어 정보처리 학술대회, pp. 37-34, 2009년 10월. [KoreaScience]
  Seon Yang and Youngjoong Ko (Best Paper Award)
  "Classifying Korean Comparative Sentences Using Transformation-based Learning"
  Proceedings of the 21th Annual Conference on Human and Cognitive Language Technology (HCLT 2009), pp. 37-34, October 2009.


• 정형일, 고영중, 서정연
  "적합성 피드백을 이용한 신문 기사 요약 시스템"
  2009 한국컴퓨터종합학술대회 제36권 제1호(B), pp. 101-104, 2009년 7월. [DBpia]
  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.

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#2008

• Sangwoo Kang, Youngjoong Ko and Jungyun Seo
  "A Plan-based Dialogue Model Using a Discourse Stack for Intelligent Human-Robot Interface Development"
  Proceedings of the 7th International Conference on Advanced Language Processing and Web Information Technology (ALPIT 2008), pp. 162-167, in Dalian, Liaoning, China, July 2008. [LINK]


• 황재원, 고영중
  "한국어 문서 감정분류를 위한 감정 자질 가중치 강화 기법"
  제20회 한글 및 한국어 정보처리 학술대회, pp. 200-205, 2008년 10월. [KoreaScience]
  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"
  제20회 한글 및 한국어 정보처리 학술대회, pp. 182-187, 2008년 10월. [KoreaScience]
  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 (우수 논문상)
  "그래프 기반의 상호 중요도 측정기법을 이용한 영역별 개체명 자동 추출"
  제20회 한글 및 한국어 정보처리 학술대회, pp. 17-22, 2008년 10월. [KoreaScience]
  Sangjoon Bae and Youngjoong Ko (Best Paper Award)
  "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. 17-20, October 2008.


• 배경만, 백종탁, 고영중, 김종훈
  "한국어 문형을 이용한 문장 정규화 기반의 FAQ 자동 응답 시스템"
  제20회 한글 및 한국어 정보처리 학술대회, pp. 171-175, 2008년 10월. [KoreaScience]
  Kyoungman Bae, Jongtak 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"
  제20회 한글 및 한국어 정보처리 학술대회, pp. 161-165, 2008년 10월. [KoreaScience]
  Sangwoo Kang, Hongmin Park, Youngjoong Ko and Jungyun Seo
  "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. 161-165, October 2008.

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#2007

• Youngjoong Ko, Hongkuk An and Jungyun Seo
  "An Effective Snippet Generation Method Using the Pseudo Relevance Feedback Technique"
  Proceedings of the 30th Annual International ACM SIGIR Conference (SIGIR 2007), pp. 711-712, in Amsterdam, The Netherlands, July 2007.
  (BK Plus Computer Science IF=4) [LINK]


• 배경만, 고영중, 최호섭, 김종훈
  "논문 검색을 위한 K-means 알고리즘 기반의 검색 결과 내 Clustering"
  제1회 한국정보과학회 학술 심포니움, 제1권 제1호, pp. 217-222, 2007년 12월. [DBpia]
  Jeawon Hwang and Youngjoong Ko (Best Paper Award)
  "A Clustering Method Based on K-means Algorithm for Paper Search Results"
  Proceedings of the 1st KIISE IT symposium, Vol. 1, No. 1, pp. 217-222, December 2007.
  .


• 황재원, 고영중 (우수 논문상)
  "효과적인 감정 자질을 이용한 한국어 문서 감정 분류 시스템"
  2007 한국정보과학회 추계학술발표대회 제34권 제2호, pp. 60-61, 2007년 10월. [KoreaScience]
  Jeawon Hwang and Youngjoong Ko (Best Paper Award)
  "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"
  2007 HCI 학술대회 제1권, pp. 957-962, 2007년 2월. [ScienceOn]
  Byoungwoo Kim and Youngjoong Ko
  "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"
  2007 HCI 학술대회 제1권, pp. 938-942, 2007년 2월. [ScienceOn]
  Jeawon Hwang, Taegyun Jeon and Youngjoong Ko
  "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"
  2007 HCI 학술대회 제1권, pp. 174-181, 2007년 2월. [ScienceOn]
  Hongguk An, Youngjoong Ko and Jungyun Seo
  "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.

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#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, September 2006.


• 강상우, 고영중, 서정연
  "대화시스템을 위한 계획인식과 담화스택을 이용한 효과적인 응답 생성"
  제18회 한글 및 한국어 정보처리 학술대회, pp. 177-182, 2006년 10월. [ScienceOn]
  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 Technology (HCLT 2006), pp. 177-182, October 2006.


• 강상우, 고영중, 서정연
  "지능형 인간로봇 개발을 위한 계획기반의 대화 모델 설계"
  인간기능 생활지원 지능로봇 기술 개발 사업단 제6차 기술교류 워크숍, 2006년 8월.
  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.

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#2004

• Hyoungdong Han, Youngjoong Ko and Jungyun Seo
  "Improving Binary Text Classification Using the EM Algorithm"
  Proceedings of Asian Information Retrieval Symposium (AIRS 2004), pp. 325-328, in Beijing, China, October 2004. [LINK]


• 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), pp. 255-262, in Barcelona, Spain, July 2004.
  (BK Plus Computer Science IF=4) [LINK]


• 한형동, 고영중, 서정연
  "EM 알고리즘을 이용한 이진 분류 문서 범주화의 성능 향상"
  2004 한국정보과학회 추계학술발표대회 제31권 제2호, pp. 790-792, 2004년 10월. [ScienceOn]
  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), Vol. 31, No. 2, pp. 790-792, October 2004.


• 심보준, 고영중, 김학수, 서정연
  "자연어 질의응답 시스템을 위한 is-a관계 패턴의 구축과 활용"
  제16회 한글 및 한국어 정보처리 학술대회, pp. 181-188, 2004년 10월. [ScienceOn]
  Bojun Shim, Youngjoong Ko, Harksoo Kim and Jungyun Seo
  "Extracting and Utilizing is-a Relation Patterns for Question Answering System"
  Proceedings of the 16th Annual Conference on Human and Cognitive Language Technology (HCLT 2004), pp. 181-188, October 2004.


• 정운철, 고영중, 서정연
  "2단계 문장 추출방법을 이용한 자동 문서 요약"
  2004 한국정보과학회 춘계학술발표대회 제31권 제1호(B), pp. 910-912, 2004년 4월. [ScienceOn]
  Wooncheol Jung, Youngjoong Ko and Jungyun Seo
  "Automatic Text Summarization with Two Step Sentence Extraction"
  Proceedings of Spring Conference on Korean Institute of Information Scientists and Engineers (KIISE 2004), Vol. 31, No. 1(B), pp. 910-912, April 2004.

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#2002

• Youngjoong Ko and Jungyun Seo
  "Text Categorization Using Feature Projections"
  Proceedings of the 19th International Conference on Computational Linguistics (COLING 2002), pp. 467-473, in Taipei, Taiwan, August 2002.
  (BK Plus Computer Science IF=2) [LINK]


• 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), pp. 474-480, in Taipei, Taiwan, August 2002.
  (BK Plus Computer Science IF=2) [LINK]


• 김건오, 고영중, 서정연
  "어휘 클러스터링을 이용한 자동 문서 요약"
  2002 한국정보과학회 춘계학술발표대회 제29권 제1호(B), pp. 463-465, 2002년 4월. [ScienceOn]
  Kono Kim, Youngjoong Ko and Jungyun Seo
  "Automatic Text Summarization with Lexical Clustering"
  Proceedings of Spring Conference on Korean Institute of Information Scientists and Engineers (KIISE 2002), Vol. 29, No. 1(B), pp. 463-465, April 2004.

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#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), pp. 229-236, in Tokyo, Japan, November 2001. [LINK]


• 박진우, 고영중, 서정연
  "문서 요약 기법을 이용한 자동 문서 범주화"
  제13회 한글 및 한국어 정보처리 학술대회, pp. 138-145, 2001년 10월.
  Jinwoo Park, Youngjoong Ko and Jungyun Seo
  "Automatic Text Categorization Using Text Summarization Techniques"
  Proceedings of the 13th Annual Conference on Human and Cognitive Language Technology (HCLT 2001), pp. 138-145, October 2004.

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#2000

• Youngjoong Ko and Jungyun Seo
  "Automatic Text Categorization by Unsupervised Learning"
  Proceedings of the 18th International Conference on Computational Linguistics (COLING 2000), pp. 453-459, in Saarbrucken, Germany, July 2000.
  (BK Plus Computer Science IF=2) [LINK]


• 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 (SEKE 2000), pp. 344-351, in Chicago, USA, July 2000.
  (SCOPUS) [LINK]

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#1999

• Harksoo Kim, Youngjoong Ko, Sooyong Park and Jungyun Seo
  "Informal Requirements Analysis Supporting System for Human Engineer"
  Proceedings of Conference on IEEE SMC99 (IEEE SMC 1999), Vol.3, pp. 1013-1018, in Tokyo JAPAN, October 1999.
  (SCOPUS) [LINK]


• 고영중, 서정연
  "다중 모드 대화 시스템에서의 표정과 제스쳐를 결합한 화행 분석"
  1999 한국인지과학회 춘계학술발표대회, pp. 199-204, 1999년 5월.
  Youngjoong Ko and Jungyun Seo
  "Speech Act Analysis with Facial Expressions and Gestures in a Multi-modal Dialogue System"
  Proceedings of Conference on Korea Cognitive Science Society, pp. 199-204, May 1999.


• 김학수, 고영중, 박수용, 서정연
  "문서간 유사도 측정을 통한 효율적인 사용자 요구 분석"
  1999 HCI 학술대회, pp. 73-79, 1999년 2월.
  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.

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