Publications

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2026
EMNLP
2026
Predicate Importance Estimation and Decoupled Rationale-Score Distillation for Entity Alignment
Keunha Kim, Yoonjin Jang, Hyeon-gu Lee, Sihyung Kim and Youngjoong Ko
Budapest, Hungary, October 2026 · BK Plus Computer Science IF=3
Link
KIISE
2026
A Dataset and Benchmark for Interlocutor Adaptation with Incrementally Revealed Personas (점진적 페르소나 공개 기반 대화 상대 적응 데이터셋 및 벤치마크)
Jiwon Heo, Dooyoung Kim and Youngjoong Ko
Journal of KIISE, Vol. 53, No. 6, pp. 537-555, June 2026
KIISE
ACL
2026
ConvX: A Lightweight Converter to Bridge Indexed Dense Representations and Large Language Models for Retrieval-Augmented Generation
Bonggeun Choi, Keunha Kim, Junho Han and Youngjoong Ko
ACL 2026 (findings), San Diego, California, USA, July 2026 · BK Plus Computer Science IF=4
Link
CSL
Elsevier
Dynamic Persona Generation through Commonsense Inference in Dialogues
HongHee Lee and Youngjoong Ko
Computer Speech and Language, Vol. 96, pp. 101896, February 2026 · SCIE, IF=3.4
Publisher
KIISE
2026
Korean Paper Based Retrieval Augmented Generation Dataset (한국어 논문 기반 검색 증강 생성 데이터셋)
Junho Han, Minjun Choi, Keunha Kim and Youngjoong Ko
Journal of KIISE, Vol. 53, No. 3, pp. 205-216, March 2026
KIISE
2025
EMNLP
2025
ECO Decoding: Entropy-Based Control for Controllability and Fluency in Controllable Dialogue Generation
Seungmin Shin, Dooyoung Kim and Youngjoong Ko
EMNLP 2025, Suzhou, China, November 2025 · BK Plus Computer Science IF=3
Link
EMNLP
2025
Decoding Dense Embeddings: Sparse Autoencoders for Interpreting and Discretizing Dense Retrieval
Seongwan Park, Taelim Kim and Youngjoong Ko
EMNLP 2025, Suzhou, China, November 2025 · BK Plus Computer Science IF=3
Link
ACL
2025
DAPI: Domain Adaptive Toxicity Probe Vector Intervention, for Fine-Grained Detoxification
Hyeonsu Cho, Dooyoung Kim and Youngjoong Ko
ACL 2025 (findings), Vienna, Austria, July 2025 · BK Plus Computer Science IF=4
Link
ESWA
Elsevier
Robust Fine-tuning for Low-resource NLP: Combining Adversarial and Metric-based Learning to Mitigate Overfitting
Kyuri Choi and Youngjoong Ko
Expert Systems With Applications, Vol. 288, pp. 127737, September 2025 · SCIE, IF=7.5 (Top 10%)
Publisher
PRL
Elsevier
Soft Engagement with Pseudo Initiatives for Multi-Party Dialogue Generation
Youngjae Chang and Youngjoong Ko
Pattern Recognition Letters, Vol. 191, pp. 103-109, May 2025 · SCIE, IF=3.9
Publisher
KIISE
2025
Persona Extraction System via Quadruple Analysis (사중항 분석을 통한 페르소나 추출 시스템)
Sangwon Yoon and Youngjoong Ko
Journal of KIISE, Vol. 52, No. 10, pp. 869-878, October 2025
KIISE
KIISE
2025
Sylender: A Syllable-Enhanced Transformer Encoder Model Incorporating Korean Morphosyntactic Structure
Yumin Heo, Jiwon Heo, Minjun Choi and Youngjoong Ko
Journal of KIISE, Vol. 52, No. 10, pp. 860-868, October 2025
KIISE
KIISE
2025
SyllaBERT: A Syllable-Based Efficient Robust Transformer Model for Real-World Noise and Typographical Errors
Sungwan Park, Yumin Heo and Youngjoong Ko
Journal of KIISE, Vol. 52, No. 3, pp. 250-259, March 2025
DBpia
2024
EMNLP
2024
Hyper-QKSG: Framework for Automating Query Generation and Knowledge-Snippet Extraction from Tables and Lists
Dooyoung Kim, Yoonjin Jang, Dongwook Shin, Chanhoon Park and Youngjoong Ko
EMNLP 2024 (Industry Track), Miami, Florida, USA · BK Plus Computer Science IF=3
Link
EMNLP
2024
RAC: Retrieval-augmented Conversation Dataset for Open-domain Question Answering in Conversational Settings
Bonggeun Choi, Jeongjae Park, Yoonsung Kim, Jae-Hyun Park and Youngjoong Ko
EMNLP 2024 (Industry Track), Miami, Florida, USA · BK Plus Computer Science IF=3
Link
TASLP
IEEE
Two-step Masked Language Model for Domain-adapting Multi-modal Task-oriented Dialogue Systems
Youngjae Chang and Youngjoong Ko
IEEE/ACM Transactions on Audio, Speech and Language Processing, Vol. 32, pp. 2938-2943, June 2024 · SCIE, IF=4.1 (Top 10%)
Publisher
ESWA
Elsevier
Query-Focused Summarization with the Context-Graph Information Fusion Transformer
Choongwon Park and Youngjoong Ko
Expert Systems With Applications, Vol. 241, pp. 122699, May 2024 · SCIE, IF=8.5 (Top 10%)
Publisher
PRL
Elsevier
SPACE: Senti-Prompt As Classifying Embedding for sentiment analysis
Jinyoung Kim and Youngjoong Ko
Pattern Recognition Letters, Vol. 180, pp. 62-67, April 2024 · SCIE, IF=5.1
Publisher
KIISE
2024
Korean Dependency Parsing Using Sequence Labeling (순차적 레이블링을 통한 한국어 의존 구문분석)
Keunha Kim and Youngjoong Ko
Journal of KIISE, Vol. 51, No. 12, pp. 1053-1060, December 2024
DBpia
KIISE
2024
Explainable Video Search System using Token Space-based Representation (토큰 공간 기반 표상을 활용한 설명가능 동영상 검색 시스템)
Jiyeol Park, Dooyoung Kim and Youngjoong Ko
Journal of KIISE, Vol. 51, No. 12, pp. 1068-1077, December 2024
DBpia
KIISE
2024
Topic-Aware Cross-Attention for Dialogue Summarization (주제 인식 교차 주의를 활용한 대화 요약)
Suyoung Min and Youngjoong Ko
Journal of KIISE, Vol. 51, No. 11, pp. 1011-1019, November 2024
KCI
KIISE
2024
Explainable Supporting Facts Generation via Query-Focused Multi-Document Summarization for Open Domain Question Answering Model
Haeun Lee and Youngjoong Ko
Journal of KIISE, Vol. 51, No. 11, pp. 1020-1027, November 2024
DBpia
TKIPS
2024
Syllable-Level Lightweight Korean POS Tagger using Transformer Encoder (트랜스포머 인코더를 활용한 음절 단위 경량화 형태소 분석기)
Suyoung Min and Youngjoong Ko
TKIPS, Vol. 13, No. 10, pp. 553-558, October 2024
KCI
KIISE
2024
Generating Relation Descriptions with Large Language Model for Link Prediction (지식 그래프의 링크 예측을 위한 거대 언어 모델 기반 관계 설명문 생성 방법)
Hyunmook Cha and Youngjoong Ko
Journal of KIISE, Vol. 51, No. 10, pp. 908-917, October 2024
DBpia
KIISE
2024
Expected Addressee and Target Utterance Prediction for Construction of Multi-Party Dialogue Systems (다자간 대화 시스템을 위한 예상 수신자 및 타겟발화 예측 태스크)
Yoonjin Jang, Keunha Kim and Youngjoong Ko
Journal of KIISE, Vol. 51, No. 10, pp. 918-927, October 2024
DBpia
KIISE
2024
Task-Oriented Dialogue System Using a Fusion Module between Knowledge Graphs (이종 그래프 간의 융합 모듈을 활용한 목적 지향 대화 응답 시스템)
Jinyoung Kim, Hyunmook Cha and Youngjoong Ko
Journal of KIISE, Vol. 51, No. 10, pp. 882-891, October 2024
DBpia
2023
EMNLP
2023
Topic-Informed Dialogue Summarization using Topic Distribution and Prompt-based Modeling
Jaeah You and Youngjoong Ko
EMNLP 2023 (findings), Singapore, December 2023 · BK Plus Computer Science IF=3
Link
SIGdial
2023
Contrastively Pretrained Vision-Language Transformers and Domain Adaptation Methods for Multimodal TOD Systems
Youngjae Chang, Dooyoung Kim, Jinyoung Kim, Hyunmook Cha, Keunha Kim, Sooyoung Min, Youngjoong Ko, Kye-Hwan Lee and Joonwoo Park
DSTC11 Workshop @ SIGdial 2023, Prague
Link
KDD
2023
Statistical and Generative Models with Subtitle Extraction for Next Product Title Generation
Honghee Lee, Youngjae Chang, Kyuri Choi, Jongwuk Lee and Youngjoong Ko
KDD Cup 2023 Workshop @ KDD 2023, Long Beach, August 2023
Link
WSDM
2023
Never Too Late to Learn: Regularizing Gender Bias in Coreference Resolution
Sunyoung Park, Kyuri Choi, Haeun Yu and Youngjoong Ko
WSDM 2023, pp. 15-23, February 2023 · BK Plus Computer Science IF=3
Link
ESWA
Elsevier
Efficient Framework for Low-Resource Abstractive Summarization by Meta-Transfer Learning and Pointer-Generator Networks
Taehun Huh and Youngjoong Ko
Expert Systems With Applications, Vol. 234, pp. 121029, December 2023 · SCIE, IF=8.5 (Top 10%)
Publisher
PRL
Elsevier
DiCeR: Dialogue-Centric Representation for Knowledge-Grounded Dialogue through Contrastive Learning
Junhee Cho and Youngjoong Ko
Pattern Recognition Letters, Vol. 172, pp. 151-157, August 2023 · SCIE, IF=5.1
Publisher
PRL
Elsevier
Meta-Learning with Topic-agnostic Representations for Zero-Shot Stance Detection
Kyuri Choi and Youngjoong Ko
Pattern Recognition Letters, Vol. 171, pp. 15-20, July 2023 · SCIE, IF=5.1
Publisher
PRL
Elsevier
Enriching the Dialogue State Tracking Model with a Syntactic Discourse Graph
Haeun Yu and Youngjoong Ko
Pattern Recognition Letters, Vol. 169, pp. 81-86, May 2023 · SCIE, IF=5.1
Publisher
ESWA
Elsevier
Graph-based Query Reformulation System for Descriptive Queries of Jargon Words using Definitions
Bosung Kim, Hyewon Choi, Haeun Yu and Youngjoong Ko
Expert Systems With Applications, Vol. 214, 119149, March 2023 · SCIE, IF=8.665
Publisher
CSL
Elsevier
Knowledge-grounded Dialogue Modeling with Dialogue-State Tracking, Domain Tracking, and Entity Extraction
Taesuk Hong, Junhee Cho, Haeun Yu, Youngjoong Ko and Jungyun Seo
Computer Speech and Language, Vol. 78, pp. 101460, March 2023 · SCIE, IF=3.252
Publisher
KBS
Elsevier
Knowledge Graph Extension with a Pre-trained Language Model via Unified Learning Method
Bonggeun Choi and Youngjoong Ko
Knowledge-Based Systems, Vol. 262, pp. 110245, February 2023 · SCIE, IF=8.139
Publisher
KIISE
2023
Multi-task Learning Based Re-ranker for External Knowledge Retrieval in Document-grounded Dialogue systems
Honghee Lee and Youngjoong Ko
Journal of KIISE, Vol. 50, No. 7, pp. 606-613, July 2023
DBpia
KIISE
2023
Video Retrieval System using One-to-one Relation between Clip-Sentence Sequence (클립-문장열의 일대일대응 관계를 이용한 동영상 검색 시스템)
Dooyoung Kim and Youngjoong Ko
Journal of KIISE, Vol. 50, No. 6, pp. 476-483, June 2023
DBpia
2022
SIGIR
2022
QSG Transformer: Transformer with Query-Attentive Semantic Graph for Query-Focused Summarization
Choongwon Park and Youngjoong Ko
SIGIR 2022, pp. 2589-2594, Madrid, Spain, July 2022 · BK Plus Computer Science IF=4
Link
SIGIR
2022
Lightweight Meta-Learning for Low-Resource Abstractive Summarization
Taehun Huh and Youngjoong Ko
SIGIR 2022, pp. 2629-2633, Madrid, Spain, July 2022 · BK Plus Computer Science IF=4
Link
AAAI
2022
Domain Adaptive Task-Oriented Dialog System for Deep Understanding of Multimodal Conversation
Dongcheol Son, Youngjae Chang, Youngjoong Ko and Jaehwan Lee
DSTC10 Workshop @ AAAI 2022, Virtual Conference, March 2022
Link
AAAI
2022
Adapting Pre-trained Language Model for Dialogue State Tracking on Spoken Conversations
Haeun Yu, Taesuk Hong, Youngjoong Ko and Kwangyong Lee
DSTC10 Workshop @ AAAI 2022, Virtual Conference, March 2022
Link
AAAI
2022
Various Uses of Pre-trained Language Model for a Knowledge-grounded Task Oriented Dialogue System
Junhee Cho, Taesuk Hong, Choongwon Park, Jaeah You, Youngjoong Ko and Kwanyoung Son
DSTC10 Workshop @ AAAI 2022, Virtual Conference, March 2022
Link
ESWA
Elsevier
BERT-based Response Selection in Dialogue Systems using Utterance Attention Mechanisms
Yeongjoong Park, Youngjoong Ko and Jungyun Seo
Expert Systems With Applications, Vol. 209, 118277, December 2022 · SCIE, IF=8.665
Publisher
IEEE
Access
Multi-task Fine-tuning for Passage Re-ranking Using BM25 and Pseudo Relevance Feedback
Meongjun Kim and Youngjoong Ko
IEEE ACCESS, Vol. 10, pp. 54254-54262, May 2022 · SCIE, IF=3.367
Publisher (Open Access)
PRL
Elsevier
Effective Fake News Video Detection Using Domain Knowledge and Multimodal Data Fusion on YouTube
Hyewon Choi and Youngjoong Ko
Pattern Recognition Letters, Vol. 154, pp. 44-52, February 2022 · SCIE, IF=4.757
Publisher
ESWA
Elsevier
Novel Regularization Method for the Class Imbalance Problem
Bosung Kim, Youngjoong Ko and Jungyun Seo
Expert Systems With Applications, Vol. 188, pp. 115974, February 2022 · SCIE, IF=6.954
Publisher
KSC
2022
Speech-Act Classification Using a Pretrained Language Model and Graph Attention Network
Jinyoung Kim, Bonggeun Choi and Youngjoong Ko
Korea Software Congress 2022 (KSC 2022), pp. 383-385, December 2022
DBpia
KSC
2022
Korean Semantic Role Labeling by Constructing Eojeol Embedding based on BERT (Best Paper Award)
Hyunmook Cha, Bonggeun Choi and Youngjoong Ko
Korea Software Congress 2022 (KSC 2022), pp. 1430-1432, December 2022
DBpia
KSC
2022
Dependency Parsing with BERT based on Wordpiece
Keunha Kim, Bonggeun Choi and Youngjoong Ko
Korea Software Congress 2022 (KSC 2022), pp. 1436-1438, December 2022
DBpia
KSC
2022
Prompt-based Named Entity Recognition using Named Entity Clue Dictionary (Best Paper Award)
Haeun Lee, Bonggeun Choi and Youngjoong Ko
Korea Software Congress 2022 (KSC 2022), pp. 1427-1429, December 2022
DBpia
KIISE
2022
Structuralized External Knowledge and Multi-task Learning for Knowledge Selection (외부 지식의 정형화와 멀티 태스크 학습을 통한 지식 선택 모델)
Junhee Cho and Youngjoong Ko
Journal of KIISE, Vol. 49, No. 10, pp. 884-890, October 2022
DBpia
KIISE
2022
Entity Graph Based Dialogue State Tracking Model with Data Collection and Augmentation for Spoken Conversation
Haeun Yu and Youngjoong Ko
Journal of KIISE, Vol. 49, No. 10, pp. 891-897, October 2022
DBpia
2021
NAACL
2021
Fine-grained Post-training for Improving Retrieval-based Dialogue Systems
Janghoon Han, Taesuk Hong, Byoungjae Kim, Youngjoong Ko and Jungyun Seo
NAACL 2021, pp. 1549–1558, Virtual Conference, June 2021 · BK Plus Computer Science IF=2
Link
EACL
2021
Graph-based Fake News Detection using a Summarization Technique
Gihwan Kim and Youngjoong Ko
EACL 2021, pp. 3276–3280, Virtual Conference, April 2021 · BK Plus Computer Science IF=2
Link
AAAI
2021
Commonsense Knowledge Augmentation for Low-Resource Languages via Adversarial Learning
Bosung Kim, Juae Kim, Youngjoong Ko and Jungyun Seo
AAAI 2021, Vol. 35, No. 7, pp. 6393-6401, Virtual Conference · BK Plus Computer Science IF=4
Link
CIKM
2021
Query Reformulation for Descriptive Queries of Jargon Words Using a Knowledge Graph based on a Dictionary
Bosung Kim, Hyewon Choi, Haeun Yu and Youngjoong Ko
CIKM 2021, pp. 854–862, Virtual Conference, November 2021 · BK Plus Computer Science IF=3
Link
CIKM
2021
Self-supervised Fine-tuning for Efficient Passage Re-ranking
Meoungjun Kim and Youngjoong Ko
CIKM 2021, pp. 3142–3146, Virtual Conference, November 2021 · BK Plus Computer Science IF=3
Link
CIKM
2021
Self-Supervised Learning based on Sentiment Analysis with Word Weight Calculation
Dongcheol Son and Youngjoong Ko
CIKM 2021, pp. 3428–3432, Virtual Conference, November 2021 · BK Plus Computer Science IF=3
Link
CIKM
2021
Using Topic Modeling and Adversarial Neural Networks for Fake News Video Detection
Hyewon Choi and Youngjoong Ko
CIKM 2021, pp. 2950–2954, Virtual Conference, November 2021 · BK Plus Computer Science IF=3
Link
AAAI
2021
Improving Multimodal API Prediction via Adding Dialog State and Various Multimodal Gates
Byoungjae Kim, Inkwon Lee, Yeonseok Jeong, Youngjoong Ko, Myoung-Wan Koo and Jungyun Seo
DSTC9 Workshop @ AAAI 2021, Virtual Conference
Link
AAAI
2021
TOM: End-to-End Task-Oriented Multi-Modal Dialogue System with GPT-2
Younghoon Jeong, Sejin Lee, Youngjoong Ko and Jungyun Seo
DSTC9 Workshop @ AAAI 2021, Virtual Conference
Link
IPM
Elsevier
Word Sense Disambiguation based on Context Selection using Knowledge-based Word Similarity
Sunjae Kwon, Dongsuk O and Youngjoong Ko
Information Processing and Management, Vol. 58, No. 4, pp. 102551, July 2021 · SCIE, IF=6.222
Publisher
JIS
SAGE
Parallel Sentence Extraction to Improve Cross-Language Information Retrieval from Wikipedia
Juryong Cheon and Youngjoong Ko
Journal of Information Science, Vol. 47, No. 2, pp. 281-293, April 2021 · SCIE, IF=3.282
Publisher
PRL
Elsevier
Effective Fake News Detection using Graph and Summarization Techniques
Gihwan Kim and Youngjoong Ko
Pattern Recognition Letters, Vol. 151, pp. 135-139, November 2021 · SCIE, IF=3.756
Publisher
IEEE
Access
Using Adversarial Learning and Biterm Topic Model for an Effective Fake News Video Detection System on Heterogeneous Topics and Short Texts
Hyewon Choi and Youngjoong Ko
IEEE ACCESS, Vol. 9, pp. 164846-164853, October 2021 · SCIE, IF=3.367
Publisher (Open Access)
IEEE
Access
MEM-KGC: Masked Entity Modeling for Knowledge Graph Completion with Pre-trained Language Model
Bonggeun Choi, Daesik Jang and Youngjoong Ko
IEEE ACCESS, Vol. 9, pp. 132025-132032, September 2021 · SCIE, IF=3.367
Publisher (Open Access)
KIISE
2021
External Knowledge Incorporated BERT for Retrieval-based Dialogue Systems (외부 지식이 반영된 BERT를 활용한 검색 기반 대화 시스템)
Janghoon Han, Youngjoong Ko and Jungyun Seo
Journal of KIISE Transactions on Computing Practices, Vol. 27, No. 12, pp. 549-554, December 2021
DBpia
KIISE
2021
Knowledge Graph Completion using Hyper-class Informative and Pre-trained Language Model (상위 클래스 정보와 사전 학습된 언어 모델을 이용한 지식 그래프 완성 모델)
Daesik Jang and Youngjoong Ko
Journal of KIISE, Vol. 48, No. 11, pp. 1128-1134, November 2021
DBpia
2020
COLING
2020
Multi-Task Learning for Knowledge Graph Completion with Pre-trained Language Models
Bosung Kim, Taesuk Hong, Youngjoong Ko and Jungyun Seo
COLING 2020, pp. 1737–1743, Virtual Conference, December 2020 · BK Plus Computer Science IF=2
Link
IEEE
Access
Named-Entity Recognition Using Automatic Construction of Training Data from Social Media Messaging Apps
Seungwook Lee and Youngjoong Ko
IEEE ACCESS, Vol. 8, pp. 222724-222732, December 2020 · SCIE, IF=3.367
Publisher (Open Access)
IEEE
Access
Construction of Machine-Labeled Data for Improving Named Entity Recognition by Transfer Learning
Juae Kim, Youngjoong Ko and Jungyun Seo
IEEE ACCESS, Vol. 8, pp. 59684-59693, March 2020 · SCIE, IF=3.367
Publisher (Open Access)
CSL
Elsevier
Simple Methods to Overcome the Limitations of General Word Representations in Natural Language Processing Tasks
Hongyeon Yu, Jaehyun An, Jeongmin Yoon, Hyemin Kim and Youngjoong Ko
Computer Speech and Language, Vol. 59, pp. 91-113, January 2020 · SCIE, IF=1.899
Publisher
KIISE
2020
Query-based Abstractive Summarization Using Sentence Ranking Score and Graph Technique (문장 랭킹 스코어와 그래프 기법을 사용한 질의 기반 생성 요약 모델)
Gihwan Kim and Youngjoong Ko
Journal of KIISE, Vol. 47, No. 12, pp. 1172-1180, December 2020
DBpia
2019
Entropy
MDPI
Improving Neural Machine Translation by Filtering Synthetic Parallel Data
Guanghao Xu, Youngjoong Ko and Jungyun Seo
Entropy, Vol. 21, No. 12, pp. 1213, December 2019 · SCIE
Publisher (Open Access)
JASIST
Wiley
Improving Question Retrieval in Community Question Answering Service using Dependency Relations and Question Classification
Kyoungman Bae and Youngjoong Ko
JASIST, Vol. 70, No. 11, pp. 1194-1209, November 2019 · SCIE, IF=2.410
Publisher
CSL
Elsevier
Unsupervised-learning Based Keyphrase Extraction from a Single Document by the Effective Combination of the Graph-based Model and the Modified C-value Method
Hongseon Yeom, Youngjoong Ko and Jungyun Seo
Computer Speech and Language, Vol. 58, pp. 304-318, November 2019 · SCIE
Publisher
JIIS
Springer
Efficient question classification and retrieval using the category information and word embedding on cQA services
Kyoungman Bae and Youngjoong Ko
Journal of Intelligent Information Systems, Vol. 53, No. 1, pp. 27-49, August 2019 · SCIE, IF=2.116
Publisher
IEEE
Access
A Bootstrapping Approach with CRF and Deep Learning Models for Improving the Biomedical Named Entity Recognition in Multi-domains
Juae Kim, Youngjoong Ko and Jungyun Seo
IEEE Access, Vol. 7, pp. 70308-70318, June 2019 · SCIE, IF=3.745
Publisher (Open Access)
PRL
Elsevier
How to utilize syllable distribution patterns as the input of LSTM for Korean morphological analysis
Hyemin Kim, Seon Yang and Youngjoong Ko
Pattern Recognition Letters, Vol. 120, pp. 39-45, April 2019 · SCIE, IF=3.255
Publisher
PRL
Elsevier
Effective vector representation for the Korean named-entity recognition
Sunjae Kwon, Youngjoong Ko and Jungyun Seo
Pattern Recognition Letters, Vol. 117, pp. 52-57, January 2019 · SCIE, IF=3.255
Publisher
KIISE
2019
Semi-automatic Expansion for a Chatting Corpus Based on a K-means Clustering Method And Similarity Measure (K-means 클러스터링 방법과 유사도 측정 기반의 채팅 말뭉치 반자동 확장 방법)
Jaehyun An and Youngjoong Ko
Journal of KIISE, Vol. 46, No. 5, pp. 440-447, May 2019
DBpia
KIISE
2019
Incremental Clustering and Multi-Document Summarization for Issue Analysis based on Real-time News (실시간 뉴스 기반의 이슈 분석을 위한 점증적 군집화 및 다중 문서 요약)
Hongyun Yoo, Seunwoo Lee and Youngjoong Ko
Journal of KIISE, Vol. 46, No. 4, pp. 355-362, April 2019
DBpia
HCLT
2019
Adaptive Context-sensitive Spelling Error Correction System Based on Self-attention for SNS Chatting Data
Hyewon Choi, Daesik Jang, DongCheol Son, Seungwook Lee and Youngjoong Ko
HCLT 2019, pp. 362-367, October 2019
KoreaScience
KCC
2019
Semantic Role Labeling using the Korean ELMo Embedding (한국어 ELMo 임베딩을 이용한 의미역 결정)
Chanmin Park, Yeongjoon Park, Youngjoong Ko and Jungyun Seo
Korea Computer Congress 2019 (KCC 2019), pp. 608-610, June 2019
DBpia
KCC
2019
Improving Low-resource Machine Translation by utilizing Multilingual, Out-domain Resources (저-자원 언어의 번역 향상을 위한 다중-언어 기계번역)
Guanghao Xu, Youngjoong Ko and Jungyun Seo
Korea Computer Congress 2019 (KCC 2019), pp. 649-651, June 2019
DBpia
2018
COLING
2018
Word Sense Disambiguation Based on Word Similarity Calculation Using Word Vector Representation from a Knowledge-based Graph
Dongsuk O, Sunjae Kwon, Kyungsun Kim and Youngjoong Ko
COLING 2018, pp. 2704-2714, Santa Fe, USA, August 2018 · BK Plus Computer Science IF=2
Link
IJAIT
WorldSci
Speech-Act Classification Using Convolutional Neural Networks and Word Embedding
Kyoungman Bae and Youngjoong Ko
International Journal on AI Tools, Vol. 27, No. 6, 1850026, September 2018 · SCIE
Publisher
IJAIT
WorldSci
Statistical Text Summarization Using a Category-based Language Model on a Bootstrapping Framework
Hyoungil Jeong, Youngjoong Ko and Jungyun Seo
International Journal on AI Tools, Vol. 27, No. 3, 1850014, May 2018 · SCIE
Publisher
IJAIT
WorldSci
Spoken Language Understanding with a Novel Simultaneous Recognition Technique for the Intelligent Personal Assistant Software
Changsu Lee and Youngjoong Ko
International Journal on AI Tools, Vol. 27, No. 3, 1850009, May 2018 · SCIE
Publisher
KIISE
2018
Speech-act Analysis System Based on Dialogue Level RNN-CNN Effective on the Exposure Bias problem (노출 편향 문제에 효과적인 대화 단위 RNN-CNN 기반의 화행 분석 시스템)
Jungmin Yoon and Youngjoong Ko
Journal of KIISE, Vol. 45, No. 9, pp. 911-917, September 2018
DBpia
KIISE
2018
Korean Dependency Parser Using Dependency Relation Tag Distribution (의존 관계명 태그 분포를 이용한 한국어 의존 구문 분석)
Jaehyun An and Youngjoong Ko
Journal of KIISE Transactions on Computing Practices, Vol. 24, No. 9, pp. 487-492, September 2018
DBpia
KIISE
2018
A Named Entity Recognition Training Method Using Bagging Based Bootstrapping (배깅 기반의 부트스트래핑을 이용한 개체명 인식 학습 기법)
Yoojin Jeong, Juae Kim, Youngjoong Ko and Jungyun Seo
Journal of KIISE, Vol. 45, No. 8, pp. 825-830, August 2018
DBpia
KSC
2018
Hierarchical SVM Classifier using Bootstrapping for Domain Expansion in Analysis of Speech Act
Yeoungjoon Park, Minyeong Seo, Juae Kim, Youngjoong Ko and Jungyun Seo
Korea Software Congress 2018 (KSC 2018), pp. 602-604, December 2018
KoreaScience
HCLT
2018
News Clustering and Multi-Document Summarization for Real-time Issue Analysis (Best Paper Award)
Hongyeon Yu, Seungwoo Lee and Youngjoong Ko
HCLT 2018, pp. 132-140, October 2018
KoreaScience
HCLT
2018
Semi-automatic Expansion for a Chatting Corpus Based on Similarity Measure Using Utterance Embedding by CNN (Best Paper Award)
Jaehyun An and Youngjoong Ko
HCLT 2018, pp. 95-100, October 2018
KoreaScience
HCLT
2018
Performance Improvement of Mathematical Formula Retrieval Using Two Different Kinds of Embedding (두 종류의 임베딩을 이용한 수식 검색 성능 개선)
Seon Yang, Hyemin Kim and Youngjoong Ko
HCLT 2018, pp. 616-622, October 2018
KoreaScience
HCLT
2018
Effective Korean POS Tagging for Typing Errors Using the Concatenation of Jamo and Syllable Embedding (자모 및 음절 임베딩 결합을 이용한 오타에 효과적인 한국어 형태소 분석)
Hyemin Kim, Seon Yang and Youngjoong Ko
HCLT 2018, pp. 574-579, October 2018
KoreaScience
HCLT
2018
Expanding Korean/English Parallel Corpora Using Back-translation for Neural Machine Translation (역-번역을 이용한 한영 병렬 코퍼스 확장)
Guanghao Xu, Youngjoong Ko and Jungyun Seo
HCLT 2018, pp. 470-473, October 2018
KoreaScience
HCLT
2018
CNN Based Speech-act Classification Using Sentence Types and Modalities (문장 유형과 양태 정보를 이용한 합성곱 신경망 기반의 대화체 발화 화행 분석)
Yongsin Park and Youngjoong Ko
HCLT 2018, pp. 642-648, October 2018
KoreaScience
2017
CIKM
2017
A Robust Named-Entity Recognition System Using Syllable Bigram Embedding with Eojeol Prefix Information
Soonjae Kwon, Youngjoong Ko and Jungyun Seo
CIKM 2017, pp. 2139-2142, Singapore, November 2017 · BK Plus Computer Science IF=3
Link
IJCNLP
2017
A Method to Generate a Machine-labeled Data for Biomedical Named Entity Recognition with Various Sub-Domains
Juae Kim, Soonjae Kwon, Youngjoong Ko and Jungyun Seo
IJCNLP 2017 Workshop, pp. 47-51, Taiwan, November 2017
Link
IPM
Elsevier
How to Use Negative Class Information for Naive Bayes Classification
Youngjoong Ko
Information Processing and Management, Vol. 53, No. 6, pp. 1255-1268, November 2017 · SSCI, SCIE, IF=4.787
Publisher
IEICE
Trans.
Speech-Act Classification Using a Convolutional Neural Network Based on POS tag and Dependency-Relation Bigram Embedding
Donghyun Yoo, Youngjoong Ko and Jungyun Seo
IEICE Transactions on Information and System, Vol. E100-D, No. 12, pp. 3081-3084, December 2017 · SCIE
Publisher
IEICE
Trans.
Improving Question Retrieval in cQA Services Using a Dependency Parser
Kyoungman Bae and Youngjoong Ko
IEICE Transactions on Information and System, Vol. E100-D, No. 2, pp. 807-810, April 2017 · SCIE
Publisher
IEICE
Trans.
Automatically Extracting Parallel Sentences from Wikipedia Using Sequential Matching of Language Resources
Juryong Cheon and Youngjoong Ko
IEICE Transactions on Information and System, Vol. E100-D, No. 2, pp. 405-408, February 2017 · SCIE
Publisher
KIISE
2017
A Method of Solving Entity Linking Ambiguity and NIL Entity Recognition for efficient Entity Linking based on Wikipedia
Hokyung Lee, Jaehyun An, Jungmin Yoon, Kyoungman Bae and Youngjoong Ko
Journal of KIISE, Vol. 44, No. 8, pp. 813-821, August 2017
DBpia
KIISE
2017
The Expansion of Word Representation for Named Entity Recognition Based on Bidirectional LSTM CRFs (Bidirectional LSTM CRF 기반의 개체명 인식을 위한 단어 표상의 확장)
Hongyun Yoo and Youngjoong Ko
Journal of KIISE, Vol. 44, No. 3, pp. 306-313, March 2017
DBpia
KSC
2017
The Korean Speech-Act Analysis System Based on RNN-CNN for Speech-Act Analysis of Dialogue Level (Best Paper Award)
Jungmin Yoon and Youngjoong Ko
Korea Software Congress 2017 (KSC 2017), pp. 643-645, December 2017
DBpia
KSC
2017
Bagging Based Bootstrapping Method to Improve Named Entity Recognition (Best Paper Award)
Yoojin Jeong, Juae Kim, Youngjoong Ko and Jungyun Seo
Korea Software Congress 2017 (KSC 2017), pp. 631-633, December 2017
DBpia
KSC
2017
The Korean Dependency Parser for Pointer Networks based on Multi-task learning and Relation Label Distribution of Syllables (Best Presentation Paper Award)
Jaehyun An and Youngjoong Ko
Korea Software Congress 2017 (KSC 2017), pp. 613-615, December 2017
DBpia
2016
ESWA
Elsevier
How to Improve Text Summarization and Classification by Mutual Cooperation on an Integrated Framework
Hyoungil Jeong, Youngjoong Ko and Jungyun Seo
Expert Systems with Applications, Vol. 60, pp. 222-233, October 2016 · SCIE, IF=5.452
Publisher
IEICE
Trans.
How to Combine Translation Probabilities and Question Expansion for Question Classification in cQA Services
Kyoungman Bae and Youngjoong Ko
IEICE Transactions on Information and System, Vol. E99-D, No. 4, pp. 1019-1022, April 2016 · SCIE
Publisher
HCLT
2016
Named Entity Recognition Using Bidirectional LSTM CRFs Based on the POS Tag Embedding and the Named Entity Distribution of Syllables (Best Paper Award)
Hongyeon Yu and Youngjoong Ko
HCLT 2016, pp. 105-110, October 2016
KoreaScience
KIISE
2016
Feature Expansion based on LDA Word Distribution for Performance Improvement of Informal Document Classification
Hokyung Lee, Seon Yang and Youngjoong Ko
Journal of KIISE, Vol. 43, No. 9, pp. 1008-1014, September 2016
DBpia
KIISE
2016
Effective Korean Speech-act Classification Using a Classification Priority Application and a Post-correction Rule (분류 우선순위 적용과 후보정 규칙을 이용한 효과적인 한국어 화행 분류)
Namhoon Song, Kyoungman Bae and Youngjoong Ko
Journal of KIISE, Vol. 43, No. 1, pp. 80-86, January 2016
DBpia
2015
ACL
2015
A Simultaneous Recognition Framework for the Spoken Language Understanding Module of Intelligent Personal Assistant Software on Smart Phones
Changsu Lee, Youngjoong Ko and Jungyun Seo
ACL 2015, pp. 818-822, Beijing, China, July 2015 · BK Plus Computer Science IF=4
Link
JASIST
Wiley
A New Term Weighting Scheme for Text Classification Using the Odds of Positive and Negative Class Probabilities
Youngjoong Ko
JASIST, Vol. 66, No. 12, pp. 2553-2565, December 2015 · SSCI, SCIE, IF=2.410
Publisher
PRL
Elsevier
New Feature Weighting Approaches for Speech-act Classification
Youngjoong Ko
Pattern Recognition Letters, Vol. 51, pp. 107-111, January 2015 · SCIE, IF=3.255
Publisher
JASIST
Wiley
Combining Lexical and Statistical Translation Evidence for Cross-Language Information Retrieval
Sungho Kim, Youngjoong Ko and Douglas W. Oard
JASIST, Vol. 66, No. 1, pp. 23-39, January 2015 · SSCI, SCIE, IF=2.410
Publisher
HCLT
2015
Improving Query Translation by Extracting Parallel Sentences from Wikipedia for Cross-Language Information Retrieval (Best Paper Award)
Juryong Cheon and Youngjoong Ko
HCLT 2015, pp. 35-40, October 2015
KoreaScience
KCC
2015
Efficient Korean Speech-Act Classification using a Classification Priority Application and a Post Correction Rule (Best Paper Award)
Namhoon Song, Kyoungman Bae and Youngjoong Ko
Korea Computer Congress 2015 (KCC 2015), pp. 675-677, June 2015
KoreaScience
2014
CIKM
2014
An Effective Question Expanding Method for Question Classification in cQA services
Kyoungman Bae and Youngjoong Ko
CIKM 2014 Workshop, pp. 51-55, Shanghai, China, November 2014
Link
NLE
Cambridge
Classifying Korean Comparative Sentences for Comparison Analysis
Seon Yang and Youngjoong Ko
Natural Language Engineering, Vol. 20, No. 4, pp. 557-581, October 2014 · SSCI, SCIE, IF=1.465
Publisher
AECE
2014
Mathematical Formula Search using Natural Language Queries
Seon Yang and Youngjoong Ko
Advances in Electrical and Computer Engineering, Vol. 14, No. 4, pp. 99-104, December 2014 · SCIE
Publisher
HCLT
2014
Extracting Korean-English Parallel Sentences Based on the Measure of Sentences Similarity Using the Sequential Matching of Heterogeneous Language Resources (Best Paper Award)
Juryong Cheon and Youngjoong Ko
HCLT 2014, pp. 127-132, October 2014
KoreaScience
2013
PRL
Elsevier
Hierarchical Speech-act Classification for Discourse Analysis
Sangwoo Kang, Youngjoong Ko and Jungyun Seo
Pattern Recognition Letters, Vol. 34, No. 10, pp. 1119-1124, July 2013 · SCIE, IF=3.255
Publisher
AIC
IOS Press
A Dialogue Management System Using a Corpus-based Framework and the Dynamic Dialogue Transition Model
Sangwoo Kang, Youngjoong Ko and Jungyun Seo
AI Communications, Vol. 26, No. 2, pp. 145-159, April 2013 · SCIE, IF=1.000
Publisher
HCLT
2013
A Simultaneous Recognition Technology of Named Entities and Objects for a Dialogue Based Private Secretary Software (Best Paper Award)
Changsu Lee and Youngjoong Ko
HCLT 2013, pp. 18-23, October 2013
KoreaScience
2012
SIGIR
2012
A Study of Term Weighting Schemes Using Class Information for Text Classification
Youngjoong Ko
SIGIR 2012, pp. 1029-1030, Portland, Oregon, USA, August 2012 · BK Plus Computer Science IF=4
Link
CIKM
2012
An Effective Category Classification Method Based on a Language Model for Question Category Recommendation on a cQA service
Kyoungman Bae and Youngjoong Ko
CIKM 2012, pp. 2255-2258, Maui, Hawaii, USA · BK Plus Computer Science IF=3
Link
CIKM
2012
Mathematical Equation Retrieval Using Plain Words as a Query
Shinil Kim, Seon Yang and Youngjoong Ko
CIKM 2012, pp. 2407-2410, Maui, Hawaii, USA · BK Plus Computer Science IF=3
Link
IJICIC
2012
An Effective Application of Contextual Information using Adjacency Pairs and a Discourse Stack for Speech-Act Classification
Kyungsun Kim, Youngjoong Ko and Jungyun Seo
IJICIC, Vol. 8, No. 11, pp. 7713-7728, November 2012 · SCIE
Publisher
KCC
2012
Mathematical Equation Retrieval by Converting Plaintext Queries into MathML Terms (Best Paper Award)
Junyoung Lee, Seon Yang and Youngjoong Ko
Korea Computer Congress 2012 (KCC 2012), pp. 312-314, June 2012
DBpia
2011
ACL
2011
Extracting Comparative Entities and Predicates from Texts Using Comparative Type Classification
Seon Yang and Youngjoong Ko
ACL-HLT 2011, pp. 1636-1644, Portland, Oregon, USA, June 2011 · BK Plus Computer Science IF=4
Link
PRL
Elsevier
Finding Relevant Features for Korean Comparative Sentence Extraction
Seon Yang and Youngjoong Ko
Pattern Recognition Letters, Vol. 32, No. 2, pp. 293-296, January 2011 · SCIE, IF=3.255
Publisher
KCC
2011
Extracting Comparative Elements from Comparative Sentence (Best Paper Award)
Seon Yang and Youngjoong Ko
Korea Computer Congress 2011 (KCC 2011), pp. 225-228, June 2011
DBpia
2009
IPM
Elsevier
Text Classification from Unlabeled Documents with Bootstrapping and Feature Projection Techniques
Youngjoong Ko and Jungyun Seo
Information Processing and Management, Vol. 45, No. 1, pp. 70-83, January 2009 · SSCI, SCIE, IF=4.787
Publisher
HCLT
2009
Classifying Korean Comparative Sentences Using Transformation-based Learning (Best Paper Award)
Seon Yang and Youngjoong Ko
HCLT 2009, pp. 37-34, October 2009
KoreaScience
2008
PRL
Elsevier
An Effective Sentence-Extraction Technique Using Contextual Information and Statistical Approaches for Text Summarization
Youngjoong Ko and Jungyun Seo
Pattern Recognition Letters, Vol. 29, No. 9, pp. 1366-1371, July 2008 · SCIE, IF=3.255
Publisher
IPL
Elsevier
Pseudo-Relevance Feedback and Statistical Query Expansion for Web Snippet Generation
Youngjoong Ko, Hongkuk An and Jungyun Seo
Information Processing Letters, Vol. 109, No. 1, pp. 18-22, December 2008 · SCIE
Publisher
HCLT
2008
Automatic Named Entities Extraction Using the Graph-based Measurement Technique of the Mutual Importance (Best Paper Award)
Sangjoon Bae and Youngjoong Ko
HCLT 2008, pp. 17-20, October 2008
KoreaScience
2007
SIGIR
2007
An Effective Snippet Generation Method Using the Pseudo Relevance Feedback Technique
Youngjoong Ko, Hongkuk An and Jungyun Seo
SIGIR 2007, pp. 711-712, Amsterdam, The Netherlands, July 2007 · BK Plus Computer Science IF=4
Link
IST
Elsevier
Using Classification Techniques for Informal Requirements in the Requirements Analysis-supporting System
Youngjoong Ko, Sooyong Park, Jungyun Seo and Soonhwang Choi
Information and Software Technology, Vol. 49, No. 11-12, pp. 1128-1140, November 2007 · SCIE, IF=2.726
Publisher
IPM
Elsevier
Using the Revised EM Algorithm to Remove Noisy Data for Improving the One-against-the-rest Method in Binary Text Classification
Hyoungdong Han, Youngjoong Ko and Jungyun Seo
Information Processing and Management, Vol. 43, No. 5, pp. 1281-1293, September 2007 · SSCI, SCIE, IF=4.787
Publisher
2004
ACL
2004
Learning with Unlabeled Data for Text Categorization Using a Bootstrapping and a Feature Projection Technique
Youngjoong Ko and Jungyun Seo
ACL 2004, pp. 255-262, Barcelona, Spain, July 2004 · BK Plus Computer Science IF=4
Link
IPM
Elsevier
Using the Feature Projection Technique Based on a Normalized Voting Method for Text Classification
Youngjoong Ko and Jungyun Seo
Information Processing and Management, Vol. 40, No. 2, pp. 191-208, March 2004 · SSCI, SCIE, IF=4.787
Publisher
IPM
Elsevier
Improving Text Categorization Using the Importance of Sentences
Youngjoong Ko, Jinwoo Park and Jungyun Seo
Information Processing and Management, Vol. 40, No. 1, pp. 65-79, January 2004 · SSCI, SCIE, IF=4.787
Publisher
2002
COLING
2002
Text Categorization Using Feature Projections
Youngjoong Ko and Jungyun Seo
COLING 2002, pp. 467-473, Taipei, Taiwan, August 2002 · BK Plus Computer Science IF=2
Link
COLING
2002
Automatic Text Categorization using the Importance of Sentences
Youngjoong Ko, Jinwoo Park and Jungyun Seo
COLING 2002, pp. 474-480, Taipei, Taiwan, August 2002 · BK Plus Computer Science IF=2
Link
2000
COLING
2000
Automatic Text Categorization by Unsupervised Learning
Youngjoong Ko and Jungyun Seo
COLING 2000, pp. 453-459, Saarbrucken, Germany, July 2000 · BK Plus Computer Science IF=2
Link
IST
Elsevier
Implementation of an Efficient Requirements Analysis Supporting System Using Similarity Measure Techniques
Sooyong Park, Harksoo Kim, Youngjoong Ko and Jungyun Seo
Information and Software Technology, Vol. 42, No. 6, pp. 429-438, April 2000 · SCIE, IF=2.726
Publisher
1999
IEEE SMC
1999
Informal Requirements Analysis Supporting System for Human Engineer
Harksoo Kim, Youngjoong Ko, Sooyong Park and Jungyun Seo
IEEE SMC 1999, Vol. 3, pp. 1013-1018, Tokyo, Japan, October 1999 · SCOPUS
Link