Publications
- Journal Papers(here)
- Conference Papers
- Upcoming Conferences
- Upcoming Competitions
- Hyunmook Cha and Youngjoong Ko.
"Generating Relation Descriptions with Large Language Mode for Link Prediction (지식 그래프의 링크 예측을 위한 거대 언어 모델 기반 관계 설명문 생성 방법 )."
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 51, No. 10, pp. 908-917, October 2024.
(ISSN 2383-630X) [DBpia]
- Yoonjin Jang, Keunha Kim and Youngjoong Ko.
"TExpected Addressee and Target Utterance Prediction for Construction of Multi-Party Dialogue Systems (다자간 대화 시스템을 위한 예상 수신자 및 타겟발화 예측 태스크)."
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 51, No. 10, pp. 918-927, October 2024.
(ISSN 2383-630X) [DBpia]
- Jinyoung Kim, Hyunmook Cha and Youngjoong Ko
"Task-Oriented Dialogue System Using a Fusion Module between Knowledge Graphs (이종 그래프 간의 융합 모듈을 활용한 목적 지향 대화 응답 시스템)."
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 51, No. 10, pp. 882-891, October 2024.
(ISSN 2383-630X) [DBpia]
- Youngjae Chang and Youngjoong Ko
"Two-step Masked Language Model for Domain-adapting Multi-modal Task-oriented Dialogue Systems."
IEEE/ACM Transactions on Audio, Speech and Language Processing, Vol. 32, pp. 2938-2943, June 2024.
(SCIE, IF=4.1 (Top 10%), ISSN 2329-9290) [Publisher]
- Choongwon Park and Youngjoong Ko
"Query-Focused Summarization with the Context-Graph Information Fusion Transformer."
Expert Systems With Applications, Elsevier Science, Vol. 241, pp. 122699, May 2024.
(SCIE, IF=8.5 (Top 10%), ISSN 0957-4174) [PDF(free download before January 16, 2024)]
- Jinyoung Kim and Youngjoong Ko
"SPACE: Senti-Prompt As Classifying Embedding for sentiment analysis."
Pattern Recognition Letters, Elsevier Science, Vol. 180, pp. 62-67, April 2024.
(SCIE, IF=5.1, ISSN 0167-8655) [PDF(free download before April 24, 2024)] [Publisher]
- Taehun Huh and Youngjoong Ko
"Efficient Framework for Low-Resource Abstractive Summarization by Meta-Transfer Learning and Pointer-Generator Networks."
Expert Systems With Applications, Elsevier Science, Vol. 234, pp. 121029, December 2023.
(SCIE, IF=8.5 (Top 10%), ISSN 0957-4174) [PDF(free download before September 29, 2023)] [Publisher]
- Junhee Cho and Youngjoong Ko
"DiCeR: Dialogue-Centric Representation for Knowledge-Grounded Dialogue through Contrastive Learning."
Pattern Recognition Letters, Elsevier Science, Vol. 172, pp. 151-157, August 2023.
(SCIE, IF=5.1, ISSN 0957-4174) [PDF(free download before August 06, 2023)] [Publisher]
- Kyuri Choi and Youngjoong Ko
"Meta-Learning with Topic-agnostic Representations for Zero-Shot Stance Detection."
Pattern Recognition Letters, Elsevier Science, Vol. 171, pp. 15-20, July 2023.
(SCIE, IF=5.1, ISSN 0167-8655) [PDF(free download before July 02, 2023)] [Publisher]
- Honghee Lee and Youngjoong Ko
"Multi-task Learning Based Re-ranker for External Knowledge Retrieval in Document-grounded Dialogue systems (문서 기반 대화 시스템의 외부 지식 검색을 위한 다중 작업 학습 기반 재순위화 모델)."
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 50, No. 7, pp. 606-613, July 2023.
(ISSN 2383-630X) [DBpia]
- Dooyoung Kim and Youngjoong Ko
"Video Retrieval System using One-to-one Relation between Clip-Sentence Sequence (클립-문장열의 일대일대응 관계를 이용한 동영상 검색 시스템)."
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 50, No. 6, pp. 476-483, June 2023.
(ISSN 2383-630X) [DBpia]
- Haeun Yu and Youngjoong Ko
"Enriching the Dialogue State Tracking Model with a Syntactic Discourse Graph."
Pattern Recognition Letters, Elsevier Science, Vol. 169, pp. 81-86, May 2023.
(SCIE, IF=5.1, ISSN 0167-8655) [Publisher]
- Bosung Kim, Hyewon Choi, Haeun Yu and Youngjoong Ko
"Graph-based Query Reformulation System for Descriptive Queries of Jargon Words using Definitions."
Expert Systems With Applications, Vol. 214, 119149, March 2023.
(SCIE, IF=8.665, ISSN 0957-4174) [Publisher]
- Taesuk Hong, Junhee Cho, Haeun Yu, Youngjoong Ko and Jungyun Seo
"Knowledge-grounded Dialogue Modeling with Dialogue-State Tracking, Domain Tracking, and Entity Extraction."
Computer Speech and Language, Elsevier Science, Vol. 78, pp. 101460, March 2023.
(SCIE, IF=3.252, ISSN 0885-2308) [Publisher]
- Bonggeun Choi and Youngjoong Ko
"Knowledge Graph Extension with a Pre-trained Language Model via Unified Learning Method."
Knowledge-Based Systems, Elsevier Science, Vol. 262, pp. 110245, 28 February 2023.
(SCIE, IF=8.139, ISSN 0950-7051) [Publisher]
- Junhee Cho and Youngjoong Ko
"Structuralized External Knowledge and Multi-task Learning for Knowledge Selection (외부 지식의 정형화와 멀티 태스크 학습을 통한 지식 선택 모델)."
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 49, No. 10, pp. 884-890, October 2022.
(ISSN 2383-630X) [DBpia]
- Haeun Yu and Youngjoong Ko
"Entity Graph Based Dialogue State Tracking Model with Data Collection and Augmentation for Spoken Conversation (데이터 생성 및 증강 기반의 개체 그래프를 활용한 음성 대화용 대화 상태 추적 모델)."
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 49, No. 10, pp. 891-897, October 2022.
(ISSN 2383-630X) [DBpia]
- Yeongjoong Park, Youngjoong Ko and Jungyun Seo
"BERT-based Response Selection in Dialogue Systems using Utterance Attention Mechanisms."
Expert Systems With Applications, Vol. 209, 118277, December 2022.
(SCIE, IF=8.665, ISSN 0957-4174) [Publisher]
- Meongjun Kim and Youngjoong Ko
"Multi-task Fine-tuning for Passage Re-ranking Using BM25 and Pseudo Relevance Feedback."
IEEE ACCESS, Vol. 10, pp. 54254-54262, May 2022.
(SCIE, IF=3.367, ISSN 2169-3536) [Publisher(Open Access)]
- Hyewon Choi and Youngjoong Ko
"Effective Fake News Video Detection Using Domain Knowledge and Multimodal Data Fusion on YouTube."
Pattern Recognition Letters, Elsevier Science, Vol. 154, pp. 44-52, February 2022.
(SCIE, IF=4.757, ISSN 0167-8655) [Publisher]
- Bosung Kim, Youngjoong Ko and Jungyun Seo
"Novel Regularization Method for the Class Imbalance Problem."
Expert Systems With Applications, Vol. 188, pp. 115974, February 2022.
(SCIE, IF=6.954, ISSN 0957-4174) [Publisher]
- 한장훈, 고영중, 서정연
"외부 지식이 반영된 BERT를 활용한 검색 기반 대화 시스템"
정보과학회 컴퓨팅의 실제 논문지 제27권 제12호, pp. 549-554, 2021년 12월.
(ISSN 2383-6318) [DBpia]Janghoon Han, Youngjoong Ko and Jungyun Seo
"External Knowledge Incorporated BERT for Retrieval-based Dialogue Systems."
Journal of KIISE Transactions on Computing Practices, Vol. 27, No. 12, pp. 549-554, December 2021.
(ISSN 2383-6318)
- 장대식, 고영중
"상위 클래스 정보와 사전 학습된 언어 모델을 이용한 지식 그래프 완성 모델"
정보과학회논문지 제48권 제11호, pp. 1128-1134, 2021년 11월.
(ISSN 2383-630X) [DBpia]Daesik Jang and Youngjoong Ko
"Knowledge Graph Completion using Hyper-class Informative and Pre-trained Language Model."
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 48, No. 11, pp. 1128-1134, November 2021.
(ISSN 2383-630X)
- Gihwan Kim and Youngjoong Ko
"Effective Fake News Detection using Graph and Summarization Techniques."
Pattern Recognition Letters, Elsevier Science, Vol. 151, pp. 135-139, November 2021.
(SCIE, IF=3.756, ISSN 0167-8655) [Publisher]
- Bonggeun Choi, Daesik Jang and Youngjoong Ko
"MEM-KGC: Masked Entity Modeling for Knowledge Graph Completion with Pre-trained Language Model."
IEEE ACCESS, Vol. 9, pp. 132025-132032, September 2021.
(SCIE, IF=3.367, ISSN 2169-3536) [Publisher(Open Access)]
- Hyewon Choi and Youngjoong Ko
"Using Adversarial Learning and Biterm Topic Model for an Effective Fake News Video Detection System on Heterogeneous Topics and Short Texts."
IEEE ACCESS, Vol. 9, pp. 164846-164853, October 2021.
(SCIE, IF=3.367, ISSN 2169-3536) [Publisher(Open Access)]
- Sunjae Kwon, Dongsuk O and Youngjoong Ko
"Word Sense Disambiguation based on Context Selection using Knowledge-based Word Similarity"
Information Processing and Management, Pergamon-Elsevier Science, Vol. 58, No. 4, pp. 102551, July 2021.
(SCIE, IF=6.222, ISSN 0306-4573) [Publisher]
- Juryong Cheon and Youngjoong Ko
"Parallel Sentence Extraction to Improve Cross-Language Information Retrieval from Wikipedia"
Journal of Information Science, SAGE journals, Vol. 47, No. 2, pp. 281-293, April 2021.
(SCIE, IF= 3.282, ISSN 0165-5515) [Publisher]
- Seungwook Lee and Youngjoong Ko
"Named-Entity Recognition Using Automatic Construction of Training Data from Social Media Messaging Apps"
IEEE ACCESS, Vol. 8, pp. 222724-222732, December 2020.
(SCIE, IF=3.367, ISSN 2169-3536) [Publisher(Open Access)]
- 김기환, 고영중
"문장 랭킹 스코어와 그래프 기법을 사용한 질의 기반 생성 요약 모델"
정보과학회논문지 제47호 제12호, pp. 1172-1180, 2020년 12월.
(ISSN 2383-630X) [DBpia]Gihwan Kim and Youngjoong Ko
"Semi-automatic Expansion for a Chatting Corpus Based on a K-means Clustering Method And Similarity Measure"
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 47, No. 12, pp. 1172-1180, December 2020.
(ISSN 2383-630X)
- Juae Kim, Youngjoong Ko and Jungyun Seo
"Construction of Machine-Labeled Data for Improving Named Entity Recognition by Transfer Learning"
IEEE ACCESS, Vol. 8, pp. 59684-59693, March 2020.
(SCIE,IF=3.367, ISSN 2169-3536) [Publisher(Open Access)]
- Hongyeon Yu, Jaehyun An, Jeongmin Yoon, Hyemin Kim and Youngjoong Ko
"Simple Methods to Overcome the Limitations of General Word Representations in Natural Language Processing Tasks"
Computer Speech and Language, Elsevier Science, Vol. 59, pp. 91-113, January 2020.
(SCIE, IF=1.899, ISSN 0885-2308) [Publisher]
- Guanghao Xu, Youngjoong Ko and Jungyun Seo
"Improving Neural Machine Translation by Filtering Synthetic Parallel Data"
Entropy, Vol. 21, No. 12, pp. 1213, December 2019.
(SCIE, ISSN 1099-4300) [Publisher(Open Access)]
- Kyoungman Bae and Youngjoong Ko
"Improving Question Retrieval in Community Question Answering Service using Dependency Relations and Question Classification"
Journal of the Association for Information Science and Technology, Wiley-Blackwell, Vol. 70, No. 11, pp. 1194-1209, November 2019.
(SCIE, IF=2.410, ISSN 2330-1635) [Publisher]
- Hongseon Yeom, Youngjoong Ko and Jungyun Seo
"Unsupervised-learning Based Keyphrase Extraction from a Single Document by the Effective Combination of the Graph-based Model and the Modified C-value Method"
Computer Speech and Language, Elsevier Science, Vol. 58, pp. 304-318, November 2019.
(SCIE, ISSN 0885-2308) [Publisher]
- Kyoungman Bae and Youngjoong Ko
"Efficient question classification and retrieval using the category information and word embedding on cQA services"
Journal of Intelligent Information Systems, Springer, Vol. 53, No. 1, pp. 27-49, August 2019.
(SCIE, IF=2.116, ISSN 0925-9902) [Publisher]
- Juae Kim, Youngjoong Ko and Jungyun Seo
"A Bootstrapping Approach with CRF and Deep Learning Models for Improving the Biomedical Named Entity Recognition in Multi-domains"
IEEE Access Vol. 7, pp. 70308-70318, June 2019.
(SCIE, IF=3.745, ISSN 2169-3536) [Publisher(Open Access)]
- Hyemin Kim, Seon Yang and Youngjoong Ko
"How to utilize syllable distribution patterns as the input of LSTM for Korean morphological analysis"
Pattern Recognition Letters, Elsevier Science, Vol. 120, pp. 39-45 April 2019.(online publication)
(SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
- Sunjae Kwon, Youngjoong Ko and Jungyun Seo
"Effective vector representation for the Korean named-entity recognition"
Pattern Recognition Letters, Elsevier Science, Vol. 117, pp. 52-57, January 2019.
(SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
- 안재현, 고영중
"K-means 클러스터링 방법과 유사도 측정 기반의 채팅 말뭉치 반자동 확장 방법"
정보과학회논문지 제46호 제5호, pp. 440-447, 2019년 5월.
(ISSN 2383-630X) [DBpia]Jaehyun An and Youngjoong Ko
"Semi-automatic Expansion for a Chatting Corpus Based on a K-means Clustering Method And Similarity Measure"
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 46, No. 5, pp. 440-447, May 2019.
(ISSN 2383-630X)
- 유홍연, 이승우, 고영중
"실시간 뉴스 기반의 이슈 분석을 위한 점증적 군집화 및 다중 문서 요약"
정보과학회논문지 제46호 제4호, pp.355-362, 2019년 4월.
(ISSN 2383-630X) [DBpia]Hongyun Yoo, Seunwoo Lee and Youngjoon Ko
"Incremental Clustering and Multi-Document Summarization for Issue Analysis based on Real-time News"
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 46, No. 4, pp. 355-362, April 2019.
(ISSN 2383-630X)
- Kyoungman Bae and Youngjoong Ko
"Speech-Act Classification Using Convolutional Neural Networks and Word Embedding"
International Journal on Artificial Intelligence Tools, Vol. 27, No. 6, 1850026, September 2018.
(SCIE, ISSN 0218-2130) [Publisher]
- Hyoungil Jeong, Youngjoong Ko and Jungyun Seo
"Statistical Text Summarization Using a Category-based Language Model on a Bootstrapping Framework"
International Journal on Artificial Intelligence Tools, Vol. 27, No. 3, 1850014, May 2018.
(SCIE, ISSN 0218-2130) [Publisher]
- Changsu Lee and Youngjoong Ko
"Spoken Language Understanding with a Novel Simultaneous Recognition Technique for the Intelligent Personal Assistant Software"
International Journal on Artificial Intelligence Tools, Vol. 27, No. 3, 1850009, May 2018.
(SCIE, ISSN 0218-2130) [Publisher]
- 윤정민, 고영중
"노출 편향 문제에 효과적인 대화 단위 RNN-CNN 기반의 화행 분석 시스템"
정보과학회논문지 제45권 제5호, pp. 911-917, 2018년 9월.
(ISSN 2383-630X) [DBpia]Jungmin Yoon and Youngjoong Ko
"Speech-act Analysis System Based on Dialogue Level RNN-CNN Effective on the Exposure Bias problem"
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 45, No. 9, pp. 911-917, September 2018.
(ISSN 2383-630X)
- 안재현, 고영중
"의존 관계명 태그 분포를 이용한 한국어 의존 구문 분석"
정보과학회 컴퓨팅의 실제 논문지 제24권 제9호, pp. 487-492, 2018년 9월.
(ISSN 2383-6318) [DBpia]Jaehyun An and Youngjoong Ko
"Korean Dependency Parser Using Dependency Relation Tag Distribution"
Journal of KIISE Transactions on Computing Practices, Vol. 24, No. 9, pp. 487-492, September 2018.
(ISSN 2383-6318)
- 정유진, 김주애, 고영중, 서정연
"배깅 기반의 부트스트래핑을 이용한 개체명 인식 학습 기법"
정보과학회논문지 제45권 제8호, pp. 825-830, 2018년 8월.
(ISSN 2383-630X) [DBpia]Yoojin Jeong, Juae Kim, Youngjoong Ko and Jungyun Seo
"A Named Entity Recognition Training Method Using Bagging Based Bootstrapping"
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 45, No. 8, pp. 825-830, August 2018.
(ISSN 2383-630X)
- Donghyun Yoo, Youngjoong Ko and Jungyun Seo
"Speech-Act Classification Using a Convolutional Neural Network Based on POS tag and Dependency-Relation Bigram Embedding"
IEICE Transactions on Information and System, Vol. E100-D, No. 12, pp. 3081-3084, December 2017.
(SCIE, ISSN 0916-8532) [Publisher]
- Youngjoong Ko
"How to Use Negative Class Information for Naive Bayes Classification"
Information Processing and Management, Pergamon-Elsevier Science, Vol. 53, No. 6, pp. 1255-1268, November 2017.
(SSCI, SCIE, IF=4.787, ISSN 0306-4573) [Publisher]
- Kyoungman Bae and Youngjoong Ko
"Improving Question Retrieval in cQA Services Using a Dependency Parser"
IEICE Transactions on Information and System, Vol. E100-D, No. 2, pp. 807-810, April 2017.
(SCIE, ISSN 0916-8532) [Publisher]
- Juryong Cheon and Youngjoong Ko
"Automatically Extracting Parallel Sentences from Wikipedia Using Sequential Matching of Language Resources"
IEICE Transactions on Information and System, Vol. E100-D, No. 2, pp. 405-408, February 2017.
(SCIE, ISSN 0916-8532) [Publisher]
- 이호경, 안재현, 윤정민, 배경만, 고영중
"위키피디아 기반의 효과적인 개체 링킹을 위한 NIL 개체 인식과 개체 연결 중의성 해소 방법"
정보과학회논문지 제44권 제8호, pp. 813-821, 2017년 8월.
(ISSN 2383-630X) [DBpia]Hokyung Lee, Jaehyun An, Jungmin Yoon, Kyoungman Bae and Youngjoong Ko
"A Method of Solving Entity Linking Ambiguity and NIL Entity Recognition for efficient Entity Linking based on Wikipedia"
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 44, No. 8, pp. 813-821, August 2017.
(ISSN 2383-630X)
- 유홍연, 고영중
"Bidirectional LSTM CRF 기반의 개체명 인식을 위한 단어 표상의 확장"
정보과학회논문지 제44권 제3호, pp. 306-313, 2017년 3월.
(ISSN 2383-6296) [DBpia]Hongyun Yoo and Youngjoong Ko
"The Expansion of Word Representation for Named Entity Recognition Based on Bidirectional LSTM CRFs"
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 44, No. 3, pp. 306-313, March 2017.
(ISSN 2383-630X)
- Hyoungil Jeong, Youngjoong Ko and Jungyun Seo
"How to Improve Text Summarization and Classification by Mutual Cooperation on an Integrated Framework"
Expert Systems with Applications, Vol. 60, pp. 222-233, October 2016.
(SCIE, IF=5.452, ISSN 0957-4174) [Publisher]
- Kyoungman Bae and Youngjoong Ko
"How to Combine Translation Probabilities and Question Expansion for Question Classification in cQA Services"
IEICE Transactions on Information and System, Vol. E99-D, No. 4, pp. 1019-1022, April 2016.
(SCIE, ISSN 0916-8532) [Publisher]
- 이호경, 양선, 고영중
"비격식 문서 분류 성능 개선을 위한 LDA 단어 분포 기반의 자질 확장"
정보과학회논문지 제43호 제9권 pp. 1008-1014, 2016년 9월.
(ISSN 2383-630X) [DBpia]Hokyung Lee, Seon Yang and Youngjoong Ko
"Feature Expansion based on LDA Word Distribution for Performance Improvement of Informal Document Classification"
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 43, No. 9, pp. 1008-1014, September 2016.
(ISSN 2383-630X)
- 배경만, 김성호, 천주룡, 고영중
"위키피디아 기반의 의미분석을 위한 언어 자원 구축"
정보과학회지 제34권 제8호, pp. 30-36, 2016년 8월.
(ISSN 1229-6821) [DBpia]Kyoungman Bae, Sungho Kim, Juryong Cheon and Youngjoong Ko
"Constructing language resources based on the Wikipedia for the semantic analysis"
Communications of KIISE, Vol. 34, No. 8, pp. 30-36, August 2016.
(ISSN 1229-6821)
- 송남훈, 배경만, 고영중
"분류 우선순위 적용과 후보정 규칙을 이용한 효과적인 한국어 화행 분류"
정보과학회논문지 제43호 제1권, pp. 80-86, 2016년 1월.
(ISSN 2383-630X) [DBpia]Namhoon Song, Kyoungman Bae and Youngjoong Ko
"Effective Korean Speech-act Classification Using a Classification Priority Application and a Post-correction Rule"
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 43, No. 1, pp. 80-86, January 2016.
(ISSN 2383-630X)
- Youngjoong Ko
"A New Term Weighting Scheme for Text Classification Using the Odds of Positive and Negative Class Probabilities"
Journal of the Association for Information Science and Technology, Wiley-Blackwell, Vol. 66, No. 12, pp. 2553-2565, December 2015.
(SSCI, SCIE, IF=2.410, ISSN 2330-1635) [Publisher]
- Hyoungil Jeong, Youngjoong Ko and Jungyun Seo
"Efficient Keyword Extraction and Text Summarization for Reading Articles on a Smart Phone"
Computing and Informatics, Vol. 34, No. 4, pp. 779-794, August 2015.
(SCIE, ISSN 1335-9150) [Publisher]
- Youngjoong Ko
"New Feature Weighting Approaches for Speech-act Classification"
Pattern Recognition Letters, Elsevier Science, Vol. 51, pp. 107-111, January 2015.
(SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
- Sungho Kim, Youngjoong Ko and Douglas W. Oard
"Combining Lexical and Statistical Translation Evidence for Cross-Language Information Retrieval"
Journal of the Association for Information Science and Technology, Wiley-Blackwell, Vol. 66, No. 1, pp. 23-39, January 2015.
(SSCI, SCIE, IF=2.410, ISSN 2330-1635) [Publisher]
- 천주룡, 고영중
"언어 자원과 토픽 모델의 순차 매칭을 이용한 유사 문장 계산 기반의 위키피디아 한국어-영어 병렬 말뭉치 구축"
정보과학회논문지 제42권, 제7호, pp. 901-909, 2015년 7월.
(ISSN 2383-630X) [DBpia]Juryong Cheon and Youngjoong Ko
"Building a Korean-English Parallel Corpus by the Measurement of Sentence Similarities Using the Sequential Matching of Language Resources and Topic Modeling"
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Vol. 42, No. 7, pp. 901-909, July 2015.
(ISSN 2383-630X)
- Seon Yang and Youngjoong Ko
"Mathematical Formula Search using Natural Language Queries"
Advances in Electrical and Computer Engineering, Vol. 14, No. 4, pp. 99-104, December 2014.
(SCIE, ISSN 1582-7445) [Publisher]
- Seon Yang and Youngjoong Ko
"Classifying Korean Comparative Sentences for Comparison Analysis"
Natural Language Engineering, Cambridge Journals, Vol. 20, No. 4, pp. 557-581, October 2014
(SSCI, SCIE, IF=1.465, ISSN 1351-3249) [Publisher]
- Youngjoong Ko
"Sentiment Document Classification Using Global and Domain Features"
Information: An International Interdisciplinary Journal, International Information Institute, Vol. 17, No. 2, pp. 699-708, February 2014.
(SCOPUS, ISSN 1343-4500)
- 김성현, 양선, 고영중
"위키피디아로부터 한국어-영어 병렬 문장 추출"
정보과학회논문지:소프트웨어 및 응용 제41권 제8호, pp. 580-585, 2014년 8월.
(ISSN 1229-6848) [DBpia]Sunghyun Kim, Seon Yang and Youngjoong Ko
"Extracting Korean-English Parallel Sentences from Wikipedia"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 41, No. 8, pp. 580-585, August 2014.
(ISSN 1229-6848)
- 이창수, 고영중
"대화형 개인 비서 시스템의 언어 인식 모듈을 위한 개체명과 문장목적 동시 인식 방법"
정보과학회논문지:소프트웨어 및 응용 제41권 제4호, pp. 295-301, 2014년 4월.
(ISSN 1229-6848) [DBpia]Chansu Lee and Youngjoong Ko
"A Simultaneous Recognition Method of Named Entities and Objects for the Language Understanding Module of a Dialogue-based Private Secretary System"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 41, No. 4, pp. 295-301, April 2014.
(ISSN 1229-6848)
- 배경만, 김성현, 고영중, 김종훈
"자연어 기반 인터페이스에서 개체명 패턴을 이용한 효과적인 개체명과 주제어 인식 방법"
한국정보기술학회논문지 제12권 제1호, pp. 121-129, 2014년 1월.
(ISSN 1229-6848) [DBpia]Kyoungman Bae, Sunghyun Kim, Youngjoong Ko and Jonghoon Kim
"An Efficient Named Entity and Topic Word Recognition Method Based on Named Entity Pattern in a Natural Language Interface"
Journal of Korean Institute of Information Technology (KIIT), Vol. 12, No. 1, pp. 121-129, January 2014.
(ISSN 1598-8619)
- Sangwoo Kang, Youngjoong Ko and Jungyun Seo
"Hierarchical Speech-act Classification for Discourse Analysis"
Pattern Recognition Letters, Elsevier Science, Vol. 34, No. 10, pp. 1119-1124, July 2013.
(SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
- Sangwoo Kang, Youngjoong Ko and Jungyun Seo
"A Dialogue Management System Using a Corpus-based Framework and the Dynamic Dialogue Transition Model"
AI Communications, IOS press, Vol. 26, No. 2, pp. 145-159, April 2013.
(SCIE, IF=1.000, ISSN 0921-7126) [Publisher]
- Youngjoong Ko and Sangjun Bae
"Automatic Named-Entity Set Expansion from the Web Using a Mutual Importance Measure"
Information: An International Interdisciplinary Journal, International Information Institute, Vol. 15, No. 11(B), pp. 5029-5040, November 2012.
(SCIE, ISSN 1343-4500) [Publisher]
- Kyungsun Kim, Youngjoong Ko and Jungyun Seo
"An Effective Application of Contextual Information using Adjacency Pairs and a Discourse Stack for Speech-Act Classification"
International Journal of Innovative Computing Information and Control (IJICIC), Vol. 8, No. 11, pp. 7713-7728, November 2012.
(SCIE, ISSN 1349-4198) [Publisher]
- Shinil Kim, Seon Yang and Youngjoong Ko
"Classifying Mathematical Expressions Written in MathML"
IEICE Transactions on Information and Systems, Vol. E95-D, No. 10, pp. 2560-2563, October 2012.
(SCIE, ISSN 0916-8532) [Publisher]
- Shinil Kim, Seon Yang and Youngjoong Ko
"A Novel Discriminative Probabilistic Model for Automatic Word Spacing on Mobile Devices"
International Journal of Innovative Computing Information and Control (IJICIC), Vol. 8, No. 7(B), pp. 5055-5065, July 2012.
(SCIE, ISSN 1349-4198) [Publisher]
- Sangwoo Kang, Youngjoong Ko and Jungyun Seo
"Generating Effective Responses for a Plan-based Dialogue System in Human-robot Interaction"
Information: An International Interdisciplinary Journal, International Information Institute, Vol. 15, No. 2, pp. 949-960, February 2012.
(SCIE, ISSN 1343-4500)
- 배경만, 고영중, 김종훈
"커뮤니티 기반의 질의 응답서비스(cQA)에서 질문-응답 쌍의 구조적 특징을 이용한 언어 모델 기반의 주제 분류 기법."
정보과학회논문지:소프트웨어 및 응용 제39권 제8호, pp. 664-671, 2012년 8월.
(ISSN 1229-6848) [DBpia]Kyoungman Bae, Youngjoong Ko and Jonghoon Kim
"A Topic Classification Method Based on a Language Model Using the Structural Features of the Question-Answer Pair on cQA"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 39, No. 8, pp. 664-671, August 2012.
(ISSN 1229-6848)
- Youngjoong Ko and Jungyun Seo
"Issues and Empirical Results for Improving Text Classification"
Journal of Computing Science and Engineering (JCSE), Vol. 5, No. 2, pp. 150-160, June 2011.
(SCOPUS, ISSN 1976-4677) [Publisher]
- Seon Yang and Youngjoong Ko
"Finding Relevant Features for Korean Comparative Sentence Extraction"
Pattern Recognition Letters, Elsevier Science, Vol. 32, No. 2, pp. 293-296, January 2011.
(SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
- 양선, 고영중
"한국어 비교 마이닝을 위한 비교 요소 자동 추출"
정보과학회논문지:소프트웨어 및 응용 제38권 제12호, pp. 689-696, 2011년 12월.
(ISSN 1229-6848) [DBpia]Seon Yang and Youngjoong Ko
"Extracting Comparative Elements for Korean Comparison Mining"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 38, No. 12, pp. 689-696, December 2011.
(ISSN 1229-6848)
- 김성호, 배상준, 고영중
"한국어 위키피디아 기반 질의어 중의성 해소 및 확장 자질 추출 기법"
정보과학회논문지:컴퓨팅의 실제 및 레터 제17권 제3호, pp. 185-189, 2011년 3월.
(ISSN 1229-7712) [DBpia]Sungho Kim, Sangjun Bae and Youngjoong Ko
"Word Sense Disambiguation and Feature Extraction for Query Expansion Method based on Korean Wikipedia"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Computing Practices and Letters, Vol. 17, No. 3, pp. 185-189, March 2011.
(ISSN 1229-7712)
- 박용현, 황재원, 고영중
"한국어 명사 출현 특성과 후절어를 이용한 명사 추출기"
정보과학회논문지:소프트웨어 및 응용 제37권 제12호, pp. 919-927, 2010년 12월.
(ISSN 1229-6848) [DBpia]Yonghyun Park, Jaewon Hwang and Youngjoong Ko
"Korean Noun Extractor using Occurrence Patterns of Nouns and Post-noun Morpheme Sequences"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 37, No. 12, pp. 919-927, December 2010.
(ISSN 1229-6848)
- 김신일, 양선, 고영중
"메모리 제약적 기기를 위한 음절 패턴 기반 띄어쓰기 시스템"
정보과학회논문지:소프트웨어 및 응용 제37권 제8호, pp. 653-658, 2010년 8월.
(ISSN 1229-6848) [DBpia]Shinil Kim, Seon Yang and Youngjoong Ko
"A Word Spacing System based on Syllable Patterns for Memory-constrained Devices"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 37, No. 8, pp. 653-658, August 2010.
(ISSN 1229-6848)
- 배상준, 고영중
"한국어 위키피디아를 이용한 분류체계 생성과 개체명 사전 자동 구축"
정보과학회논문지:컴퓨팅의 실제 및 레터 제16권 제4호, pp. 492-496, 2010년 4월.
(ISSN 1229-7712) [DBpia]Sangjun Bae and Youngjoong Ko
"Automatic Construction of Class Hierarchies and Named Entity Dictionaries using Korean Wikipedia"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Computing Practices and Letters, Vol. 16, No. 4, pp. 492-496, April 2010.
(ISSN 1229-7712)
- 황재원, 고영중
"감정 단어의 의미적 특성을 반영한 한국어 문서 감정분류 시스템"
정보과학회논문지:소프트웨어 및 응용 제37권 제4호, pp. 317-322, 2010년 4월.
(ISSN 1229-6848) [DBpia]Jaewon Hwang and Youngjoong Ko
"A Korean Document Sentiment Classification System based on Semantic Properties of Sentiment Words"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 37, No. 4, pp. 317-322, April 2010.
(ISSN 1229-6848)
- 배경만, 황재원, 고영중, 김종훈
"논문 검색 결과의 효과적인 브라우징을 위한 단어 군집화 기반의 결과 내 군집화 기법"
정보과학회논문지:소프트웨어 및 응용 제37권 제3호, pp. 214-221, 2010년 3월.
(ISSN 1229-6848) [DBpia]Kyoungman Bae, Jaewon Hwang, Youngjoong Ko and Jonghoon Kim
"A Search-Result Clustering Method based on Word Clustering for Effective Browsing of the Paper Retrieval Results"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 37, No. 3, pp. 214-221, March 2010.
(ISSN 1229-6848)
- 양선, 고영중
"한국어 비교 문장 유형 분류를 위한 변환 기반 학습 기법"
정보과학회논문지:소프트웨어 및 응용 제37권 제2호, pp. 155-160, 2010년 2월.
(ISSN 1229-6848) [DBpia]Seon Yang and Youngjoong Ko
"Transformation-based Learning for Korean Comparative Sentence Classification"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 37, No. 2, pp. 155-160, February 2010.
(ISSN 1229-6848)
- Youngjoong Ko and Jungyun Seo
"Text Classification from Unlabeled Documents with Bootstrapping and Feature Projection Techniques"
Information Processing Management, Pergamon-Elsevier Science, Vol. 45, No. 1, pp. 70-83, January 2009.
(SSCI, SCIE, IF=4.787, ISSN 0306-4573) [Publisher]
- 황재원, 고영중
"문장 감정 강도를 반영한 개선된 자질 가중치 기법 기반의 문서 감정 분류 시스템"
정보과학회논문지:소프트웨어 및 응용 제36권 제6호, pp. 491-497, 2009년 6월.
(ISSN 1229-6848) [DBpia]Jaewon Hwang and Youngjoong Ko
"A Document Sentiment Classification System Based on the Feature Weighting Method Improved by Measuring Sentence Sentiment Intensity"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 36, No. 6, pp. 491-497, June 2009.
(ISSN 1229-6848)
- Youngjoong Ko, Hongkuk An and Jungyun Seo
Pseudo-Relevance Feedback and Statistical Query Expansion for Web Snippet Generation"
Information Processing Letters, Elsevier Science, Vol. 109, No. 1, pp. 18-22, December 2008.
(SCIE, ISSN 0020-0190) [Publisher]
- Youngjoong Ko and Jungyun Seo
"An Effective Sentence-Extraction Technique Using Contextual Information and Statistical Approaches for Text Summarization"
Pattern Recognition Letters, Elsevier Science, Vol. 29, No. 9, pp. 1366-1371, July 2008.
(SCIE, IF=3.255, ISSN 0167-8655) [Publisher]
- 황재원, 고영중
"감정 분류를 위한 한국어 감정 자질 추출 기법과 감정 자질의 유용성 평가"
인지과학 제19권 제4호, pp. 499-517, 2008년 12월.
(ISSN 1226-4067) [DBpia]Jaewon Hwang and Youngjoong Ko
"A Korean Emotion Features Extraction Method and their Availability Evaluation for Sentiment Classification"
Korean Journal of Cognitive Science, Vol. 19, No. 4, pp. 499-517, December 2008.
(ISSN 1226-4067)
- 배상준, 고영중
"영역별 개체명 사전 자동 구축을 위한 상호중요도 계산 기법 기반의 집합 확장 시스템"
인지과학 제19권 제4호, pp. 443-458, 2008년 12월.
(ISSN 1226-4067) [DBpia]Sangjoon Bae and Youngjoong Ko
"The Set Expansion System Using the Mutual Importance Measurement Method to Automatically Build up Named Entity Domain Dictionaries"
Korean Journal of Cognitive Science, Vol. 19, No. 4, pp. 443-458, December 2008.
(ISSN 1226-4067)
- 강상우, 고영중, 서정연
"대화 시스템을 위한 계획 인식과 담화 스택을 이용한 효과적인 응답생성"
인지과학 제19권 제2호, pp.107-124, 2008년 6월.
(ISSN 1226-4067) [DBpia]Sangwoo Kang, Youngjoong Ko and Jungyun Seo
"Using Plan Recognition and a Discourse Stack for Effective Response Generation in a Dialogue System"
Korean Journal of Cognitive Science, Vol. 19, No. 2, pp. 107-124, June 2008.
(ISSN 1226-4067)
- 고영중, 서정연
"준지도 학습 기반의 자동문서 범주화"
정보과학회논문지:소프트웨어 및 응용 제35권 제5호, pp. 325-334, 2008년 5월.
(ISSN 1229-6848) [DBpia]Youngjoong Ko and Jungyun Seo
"Automatic Text Categorization Based on Semi-Supervised Learning"
Journal of Korean Institute of Information Scientists and Engineers (KIISE), Software and Applications, Vol. 35, No. 5, pp. 325-334, May 2008.
(ISSN 1229-6848)
- 황재원, 고영중
"감정 자질을 이용한 한국어 문장 및 문서 감정 분류 시스템"
정보과학회논문지:컴퓨팅의 실제 및 레터 제14권 제3호 pp. 336-340, 2008년 5월.
(ISSN 1229-7712) [DBpia]Jaewon Hwang and Youngjoong Ko
"A Korean Sentence and Document Sentiment Classification System Using Sentiment Features"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Computing Practices and Letters, Vol. 14, No. 3, pp. 336-340, May 2008.
(ISSN 1229-7712)
- 김원일, 고영중, 서정연
"강화 학습법을 이용한 효과적인 적응형 대화 전략"
정보과학회논문지 제35권 제1호, pp. 33-40, 2008년 1월.
(ISSN 1229-6848) [DBpia]Wonil Kim, Youngjoong Ko and Jungyun Seo
"An Effective Adaptive Dialogue Strategy Using Reinforcement Learning"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 35, No. 1, pp. 33-40, January 2008.
(ISSN 1229-6848)
- Youngjoong Ko, Sooyong Park, Jungyun Seo and Soonhwang Choi
"Using Classification Techniques for Informal Requirements in the Requirements Analysis-supporting System"
Information and Software Technology, Elsevier Science, Vol. 49, No. 11-12, pp. 1128-1140, November 2007.
(SCIE, IF=2.726, ISSN 0950-5849) [Publisher]
- Hyoungdong Han, Youngjoong Ko and Jungyun Seo
"Using the Revised EM Algorithm to Remove Noisy Data for Improving the One-against-the-rest Method in Binary Text Classification"
Information Processing Management, Pergamon-Elsevier Science, Vol. 43, No. 5, pp. 1281-1293, September 2007.
(SSCI, SCIE, IF=4.787, ISSN 0306-4573) [Publisher]
- Bojun Shim, Youngjoong Ko and Jungyun Seo
"Using IS-A Relation Patterns for Factoid Questions in Question Answering Systems"
IEICE Transactions on Information and System, Vol. E89-D, No. 12, pp. 2985-2989, December 2006.
(SCIE, ISSN 0916-8532) [Publisher]
- Kyungsun Kim, Youngjoong Ko and Jungyun Seo
"Improving Korean Speech Acts Analysis by Using Shrinkage and Discourse Stack"
Proceedings of The Second International Joint Conference on Natural Language Processing (IJCNLP-05), in Jeju, Korea, October 13-15, 2005.
Lecture Notes in Artificial Intelligence (LNAI), in Springer Verlag, Vol. 3651, pp. 731-741, October 2005.
(SCIE, ISSN 0302-9743) [Publisher]
- Wooncheol Jung, Youngjoong Ko and Jungyun Seo
"Automatic Text Summarization Using Two-step Sentence Extraction"
Proceedings of Asian Information Retrieval Symposium (AIRS 2004), in Beijing, China, pp. 43-48, October 2004.
Lecture Notes in Computer Science (LNCS), in Springer Verlag, Vol. 3411, pp. 71-81, March 2005.
(SCIE, ISSN 0302-9743) [Publisher]
- Bojun Shim, Youngjoong Ko and Jungyun Seo
"Extracting and Utilizing of IS-A Relation Patterns for Question Answering Systems"
Proceedings of Asia Information Retrieval Symposium (AIRS-05), in Jeju, Korea, October 11-13, 2005.
Lecture Notes in Computer Science (LNCS), in Springer Verlag, Vol. 3689, pp. 697-702, October 2005.
(SCIE, ISSN 0302-9743) [Publisher]
- 한형동, 고영중, 서정연
"오류 학습 문서 제거를 통한 문서 범주화 기법의 성능 향상"
정보과학회논문지 제32권 9호, pp. 912-919, 2005년 9월.
(ISSN 1229-6848) [DBpia]Hyoungdong Han, Youngjoong Ko and Jungyun Seo
"A Text Categorization Method Improved by Removing Noisy Training Documents"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 32, No. 9, pp. 912-919, September 2005.
(ISSN 1229-6848)
- Youngjoong Ko and Jungyun Seo
"Using the Feature Projection Technique Based on a Normalized Voting Method for Text Classification"
Information Processing Management, Pergamon-Elsevier Science, Vol. 40, No. 2, pp. 191-208, March 2004.
(SSCI, SCIE, IF=4.787, ISSN 0306-4573) [Publisher]
- Youngjoong Ko, Jinwoo Park and Jungyun Seo
"Improving Text Categorization Using the Importance of Sentences"
Information Processing Management, Pergamon-Elsevier Science, Vol. 40, No. 1, pp. 65-79, January 2004.
(SSCI, SCIE, IF=4.787, ISSN 0306-4573) [Publisher]
- 고영중, 서정연
"오류 데이터에 강한 자질 투영법 기반의 문서 범주화 기법"
정보과학회논문지:소프트웨어 및 응용 제31권 제4호, pp. 498-504, 2004년 4월.
(ISSN 1229-6848) [DBpia]Youngjoong Ko and Jungyun Seo
"Text Classification Based on the Feature Projection Technique with Robustness from Noisy Data"
Journal of Korean Institute of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 31, No. 4, pp. 498-504, April 2004.
(ISSN 1229-6848)
- Youngjoong Ko, Kono Kim and Jungyun Seo
"Topic Keyword Identification for Text Summarization Using Lexical Clustering"
IEICE Transactions on Information and System, Vol. E86-D, No. 9, pp. 1695-1701, September 2003.
(SCIE, ISSN 0916-8532) [Publisher]
- 고영중, 박진우, 서정연
"문장 중요도를 이용한 자동 문서 범주화"
정보과학회논문지 제29권 제5.6호, pp. 417-424, 2002년 6월.
(ISSN 1229-6848) [DBpia]Youngjoong Ko, Jinwoo Park and Jungyun Seo
"Improving Text Categorization by Text Summarization Techniques"
Journal of Korean Institue of Information Scientists and Engineers (KIISE): Software and Applications, Vol. 29, No. 5-6, pp. 417-424, June 2002.
(ISSN 1229-6848)
- Sooyong Park, Harksoo Kim, Youngjoong Ko and Jungyun Seo
"Implementation of an Efficient Requirements Analysis Supporting System Using Similarity Measure Techniques"
Information and Software Technology, Elsevier Science, Vol. 42, No. 6, pp. 429-438, April 2000.
(SCIE, IF=2.726, ISSN 0950-5849) [Publisher]
- 고영중, 강기선, 김재선, 박수용, 서정연
"요구 사항 문장 범주화를 이용한 웹 기반의 요구 사항 추출 지원 시스템"
정보과학회논문지:소프트웨어 및 응용 제27권 제4호, pp. 384-392, 2000년 4월.
(ISSN 1229-6848) [DBpia]Youngjoong Ko, Kisun Kang, Jeaseon Kim, Sooyong Park and Jungyun Seo
"Web-based Requirements Elicitation Supporting System using Requirements Sentences Categorization"
Journal of Korean Institue of Information Scientists and Engineers(KIISE): Software and Applications, Vol. 27, No. 4, pp. 384-392, April 2000.
(ISSN 1229-6848)
- 김학수, 고영중, 박수용, 서정연
"유사도 측정 기법을 이용한 효율적인 요구 분석 지원 시스템의 구현"
정보과학회논문지:소프트웨어 및 응용 제27권 제1호, pp. 13-23, 2000년 1월.
(ISSN 1229-6848) [DBpia]Harksoo Kim, Youngjoong Ko,Sooyong Park and Jungyun Seo
"An Efficient Analysis Method for User Requirements by Similarity Measure Techniques"
Journal of Korean Institute of Information Scientisits and Engineers (KIISE): Software and Applications, Vol. 27, No. 1, pp. 13-23, January 2000.
(ISSN 1229-6848)