Automatic Text Categorization by Unsupervised Learning. - Youngjoong Ko; Jungyun Seo (COLING, 2000)

Implementation of an efficient requirements-analysis supporting system using similarity measure techniques. - Sooyong Park; Harksoo Kim; Youngjoong Ko; Jungyun Seo (Inf. Softw. Technol., 2000)

Named Entity Recognition using Machine Learning Methods and Pattern-Selection Rules. - Choong-Nyoung Seon; Youngjoong Ko; Jeong-Seok Kim; Jungyun Seo (NLPRS, 2001)

Automatic Text Categorization using the Importance of Sentences. - Youngjoong Ko; Jinwoo Park; Jungyun Seo (COLING, 2002)

Text Categorization using Feature Projections. - Youngjoong Ko; Jungyun Seo (COLING, 2002)

Learning with Unlabeled Data for Text Categorization Using a Bootstrapping and a Feature Projection Technique. - Youngjoong Ko; Jungyun Seo (ACL, 2004)

Automatic Text Summarization Using Two-Step Sentence Extraction. - Wooncheol Jung; Youngjoong Ko; Jungyun Seo (AIRS, 2004)

Improving text categorization using the importance of sentences. - Youngjoong Ko; Jinwoo Park; Jungyun Seo (Inf. Process. Manag., 2004)

Using the feature projection technique based on a normalized voting method for text classification. - Youngjoong Ko; Jungyun Seo (Inf. Process. Manag., 2004)

Extracting and Utilizing of IS-A Relation Patterns for Question Answering Systems. - Bojun Shim; Youngjoong Ko; Jungyun Seo (AIRS, 2005)

Improving Korean Speech Acts Analysis by Using Shrinkage and Discourse Stack. - Kyungsun Kim; Youngjoong Ko; Jungyun Seo (IJCNLP, 2005)

Using IS-A Relation Patterns for Factoid Questions in Question Answering Systems. - Bojun Shim; Youngjoong Ko; Jungyun Seo (IEICE Trans. Inf. Syst., 2006)

An effective snippet generation method using the pseudo relevance feedback technique. - Youngjoong Ko; Hongkuk An; Jungyun Seo (SIGIR, 2007)

Using classification techniques for informal requirements in the requirements analysis-supporting system. - Youngjoong Ko; Sooyong Park; Jungyun Seo; Soonhwang Choi (Inf. Softw. Technol., 2007)

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; Jungyun Seo (Inf. Process. Manag., 2007)

A Plan-Based Dialogue Model Using a Discourse Stack for Intelligent Human-Robot Interface Development. - Sangwoo Kang; Youngjoong Ko; Jungyun Seo (ALPIT, 2008)

Pseudo-relevance feedback and statistical query expansion for web snippet generation. - Youngjoong Ko; Hongkuk An; Jungyun Seo (Inf. Process. Lett., 2008)

An effective sentence-extraction technique using contextual information and statistical approaches for text summarization. - Youngjoong Ko; Jungyun Seo (Pattern Recognit. Lett., 2008)

Extracting Comparative Sentences from Korean Text Documents Using Comparative Lexical Patterns and Machine Learning Techniques. - Seon Yang; Youngjoong Ko (ACL/IJCNLP (2), 2009)

Text classification from unlabeled documents with bootstrapping and feature projection techniques. - Youngjoong Ko; Jungyun Seo (Inf. Process. Manag., 2009)

Extracting Comparative Entities and Predicates from Texts Using Comparative Type Classification. - Seon Yang; Youngjoong Ko (ACL, 2011)

Issues and Empirical Results for Improving Text Classification. - Youngjoong Ko; Jungyun Seo (J. Comput. Sci. Eng., 2011)

Finding relevant features for Korean comparative sentence extraction. - Seon Yang; Youngjoong Ko (Pattern Recognit. Lett., 2011)

An effective category classification method based on a language model for question category recommendation on a cQA service. - Kyoungman Bae; Youngjoong Ko (CIKM, 2012)

Mathematical equation retrieval using plain words as a query. - Shinil Kim; Seon Yang; Youngjoong Ko (CIKM, 2012)

A study of term weighting schemes using class information for text classification. - Youngjoong Ko (SIGIR, 2012)

Classifying Mathematical Expressions Written in MathML. - Shinil Kim; Seon Yang; Youngjoong Ko (IEICE Trans. Inf. Syst., 2012)

A dialogue management system using a corpus-based framework and a dynamic dialogue transition model. - Sangwoo Kang; Youngjoong Ko; Jungyun Seo (AI Commun., 2013)

Hierarchical speech-act classification for discourse analysis. - Sangwoo Kang; Youngjoong Ko; Jungyun Seo (Pattern Recognit. Lett., 2013)

An Effective Question Expanding Method for Question Classification in cQA services. - Kyoungman Bae; Youngjoong Ko (PIKM@CIKM, 2014)

Classifying Korean comparative sentences for comparison analysis. - Seon Yang; Youngjoong Ko (Nat. Lang. Eng., 2014)

A Simultaneous Recognition Framework for the Spoken Language Understanding Module of Intelligent Personal Assistant Software on Smart Phones. - Changsu Lee; Youngjoong Ko; Jungyun Seo (ACL (2), 2015)

Efficient Keyword Extraction and Text Summarization for Reading Articles on Smart Phone. - Hyoungil Jeong; Youngjoong Ko; Jungyun Seo (Comput. Informatics, 2015)

Combining lexical and statistical translation evidence for cross-language information retrieval. - Sungho Kim; Youngjoong Ko; Douglas W. Oard (J. Assoc. Inf. Sci. Technol., 2015)

A new term-weighting scheme for text classification using the odds of positive and negative class probabilities. - Youngjoong Ko (J. Assoc. Inf. Sci. Technol., 2015)

New feature weighting approaches for speech-act classification. - Youngjoong Ko (Pattern Recognit. Lett., 2015)

How to Improve Text Summarization and Classification by Mutual Cooperation on an Integrated Framework. - Hyoungil Jeong; Youngjoong Ko; Jungyun Seo (Expert Syst. Appl., 2016)

How to Combine Translation Probabilities and Question Expansion for Question Classification in cQA Services. - Kyoungman Bae; Youngjoong Ko (IEICE Trans. Inf. Syst., 2016)

A Robust Named-Entity Recognition System Using Syllable Bigram Embedding with Eojeol Prefix Information. - Sunjae Kwon; Youngjoong Ko; Jungyun Seo (CIKM, 2017)

A Method to Generate a Machine-Labeled Data for Biomedical Named Entity Recognition with Various Sub-Domains. - Juae Kim; Sunjae Kwon; Youngjoong Ko; Jungyun Seo (DDDSM@IJCNLP, 2017)

Improving Question Retrieval in cQA Services Using a Dependency Parser. - Kyoungman Bae; Youngjoong Ko (IEICE Trans. Inf. Syst., 2017)

Automatically Extracting Parallel Sentences from Wikipedia Using Sequential Matching of Language Resources. - Juryong Cheon; Youngjoong Ko (IEICE Trans. Inf. Syst., 2017)

Speech-Act Classification Using a Convolutional Neural Network Based on POS Tag and Dependency-Relation Bigram Embedding. - Donghyun Yoo; Youngjoong Ko; Jungyun Seo (IEICE Trans. Inf. Syst., 2017)

How to use negative class information for Naive Bayes classification. - Youngjoong Ko (Inf. Process. Manag., 2017)

Word Sense Disambiguation Based on Word Similarity Calculation Using Word Vector Representation from a Knowledge-based Graph. - Dongsuk O; Sunjae Kwon; Kyungsun Kim; Youngjoong Ko (COLING, 2018)

Speech-Act Classification Using Convolutional Neural Network and Word Embedding. - Kyoungman Bae; Youngjoong Ko (Int. J. Artif. Intell. Tools, 2018)

Statistical Text Summarization Using a Category-Based Language Model on a Bootstrapping Framework. - Hyoungil Jeong; Youngjoong Ko; Jungyun Seo (Int. J. Artif. Intell. Tools, 2018)

Spoken Language Understanding with a Novel Simultaneous Recognition Technique for Intelligent Personal Assistant Software. - Changsu Lee; Youngjoong Ko (Int. J. Artif. Intell. Tools, 2018)

A Bootstrapping Approach With CRF and Deep Learning Models for Improving the Biomedical Named Entity Recognition in Multi-Domains. - Juae Kim; Youngjoong Ko; Jungyun Seo (IEEE Access, 2019)

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; Jungyun Seo (Comput. Speech Lang., 2019)

Improving Neural Machine Translation by Filtering Synthetic Parallel Data. - Guanghao Xu; Youngjoong Ko; Jungyun Seo (Entropy, 2019)

Improving question retrieval in community question answering service using dependency relations and question classification. - Kyoungman Bae; Youngjoong Ko (J. Assoc. Inf. Sci. Technol., 2019)

Efficient question classification and retrieval using category information and word embedding on cQA services. - Kyoungman Bae; Youngjoong Ko (J. Intell. Inf. Syst., 2019)

How to utilize syllable distribution patterns as the input of LSTM for Korean morphological analysis. - Hyemin Kim; Seon Yang; Youngjoong Ko (Pattern Recognit. Lett., 2019)

Effective vector representation for the Korean named-entity recognition. - Sunjae Kwon; Youngjoong Ko; Jungyun Seo (Pattern Recognit. Lett., 2019)

Multi-Task Learning for Knowledge Graph Completion with Pre-trained Language Models. - Bosung Kim; Taesuk Hong; Youngjoong Ko; Jungyun Seo (COLING, 2020)

Construction of Machine-Labeled Data for Improving Named Entity Recognition by Transfer Learning. - Juae Kim; Youngjoong Ko; Jungyun Seo (IEEE Access, 2020)

Named-Entity Recognition Using Automatic Construction of Training Data From Social Media Messaging Apps. - Seungwook Lee; Youngjoong Ko (IEEE Access, 2020)

Simple methods to overcome the limitations of general word representations in natural language processing tasks. - Hongyeon Yu; Jaehyun An; Jeongmin Yoon; Hyemin Kim; Youngjoong Ko (Comput. Speech Lang., 2020)

Commonsense Knowledge Augmentation for Low-Resource Languages via Adversarial Learning. - Bosung Kim; Juae Kim; Youngjoong Ko; Jungyun Seo (AAAI, 2021)

Using Topic Modeling and Adversarial Neural Networks for Fake News Video Detection. - Hyewon Choi; Youngjoong Ko (CIKM, 2021)

Query Reformulation for Descriptive Queries of Jargon Words Using a Knowledge Graph based on a Dictionary. - Bosung Kim; Hyewon Choi; Haeun Yu; Youngjoong Ko (CIKM, 2021)

Self-supervised Fine-tuning for Efficient Passage Re-ranking. - Meoungjun Kim; Youngjoong Ko (CIKM, 2021)

Self-Supervised Learning based on Sentiment Analysis with Word Weight Calculation. - Dongcheol Son; Youngjoong Ko (CIKM, 2021)

Graph-based Fake News Detection using a Summarization Technique. - Gihwan Kim; Youngjoong Ko (EACL, 2021)

Fine-grained Post-training for Improving Retrieval-based Dialogue Systems. - Janghoon Han; Taesuk Hong; Byoungjae Kim; Youngjoong Ko; Jungyun Seo (NAACL-HLT, 2021)

MEM-KGC: Masked Entity Model for Knowledge Graph Completion With Pre-Trained Language Model. - Bonggeun Choi; Daesik Jang; Youngjoong Ko (IEEE Access, 2021)

Using Adversarial Learning and Biterm Topic Model for an Effective Fake News Video Detection System on Heterogeneous Topics and Short Texts. - Hyewon Choi; Youngjoong Ko (IEEE Access, 2021)

Word sense disambiguation based on context selection using knowledge-based word similarity. - Sunjae Kwon; Dongsuk Oh; Youngjoong Ko (Inf. Process. Manag., 2021)

Parallel sentence extraction to improve cross-language information retrieval from Wikipedia. - Juryong Cheon; Youngjoong Ko (J. Inf. Sci., 2021)

Effective fake news detection using graph and summarization techniques. - Gihwan Kim; Youngjoong Ko (Pattern Recognit. Lett., 2021)

Lightweight Meta-Learning for Low-Resource Abstractive Summarization. - Taehun Huh; Youngjoong Ko (SIGIR, 2022)

QSG Transformer: Transformer with Query-Attentive Semantic Graph for Query-Focused Summarization. - Choongwon Park; Youngjoong Ko (SIGIR, 2022)

Multitask Fine-Tuning for Passage Re-Ranking Using BM25 and Pseudo Relevance Feedback. - Meoungjun Kim; Youngjoong Ko (IEEE Access, 2022)

Novel regularization method for the class imbalance problem. - Bosung Kim; Youngjoong Ko; Jungyun Seo (Expert Syst. Appl., 2022)

BERT-based response selection in dialogue systems using utterance attention mechanisms. - Yeongjoon Park; Youngjoong Ko; Jungyun Seo (Expert Syst. Appl., 2022)

Effective fake news video detection using domain knowledge and multimodal data fusion on youtube. - Hyewon Choi; Youngjoong Ko (Pattern Recognit. Lett., 2022)

Topic-Informed Dialogue Summarization using Topic Distribution and Prompt-based Modeling. - Jaeah You; Youngjoong Ko (EMNLP (Findings), 2023)

Never Too Late to Learn: Regularizing Gender Bias in Coreference Resolution. - Sunyoung Park; Kyuri Choi; Haeun Yu; Youngjoong Ko (WSDM, 2023)

Knowledge-grounded dialogue modelling with dialogue-state tracking, domain tracking, and entity extraction. - Taesuk Hong; Junhee Cho; Haeun Yu; Youngjoong Ko; Jungyun Seo (Comput. Speech Lang., 2023)

Graph-based query reformulation system for descriptive queries of jargon words using definitions. - Bosung Kim; Hyewon Choi; Haeun Yu; Youngjoong Ko (Expert Syst. Appl., 2023)

Meta-learning with topic-agnostic representations for zero-shot stance detection. - Kyuri Choi; Youngjoong Ko (Pattern Recognit. Lett., 2023)

Knowledge graph extension with a pre-trained language model via unified learning method. - Bonggeun Choi; Youngjoong Ko (Knowl. Based Syst., 2023)

Enriching the dialogue state tracking model with a asyntactic discourse graph. - Haeun Yu; Youngjoong Ko (Pattern Recognit. Lett., 2023)

Dicer: Dialogue-Centric Representation for Knowledge-Grounded Dialogue through Contrastive Learning. - Junhee Cho; Youngjoong Ko (Pattern Recognit. Lett., 2023)

Efficient framework for low-resource abstractive summarization by meta-transfer learning and pointer-generator networks. - Taehun Huh; Youngjoong Ko (Expert Syst. Appl., 2023)

RAC: Retrieval-augmented Conversation Dataset for Open-domain Question Answering in Conversational Settings. - Bonggeun Choi; JeongJae Park; Yoonsung Kim; Jaehyun Park; Youngjoong Ko (EMNLP (Industry Track), 2024)

Hyper-QKSG: Framework for Automating Query Generation and Knowledge-Snippet Extraction from Tables and Lists. - Dooyoung Kim; Yoonjin Jang; Dongwook Shin; Chanhoon Park; Youngjoong Ko (EMNLP (Industry Track), 2024)

Query-focused summarization with the context-graph information fusion transformer. - Choongwon Park; Youngjoong Ko (Expert Syst. Appl., 2024)

SPACE: Senti-Prompt As Classifying Embedding for sentiment analysis. - Jinyoung Kim; Youngjoong Ko (Pattern Recognit. Lett., 2024)

Two-Step Masked Language Model for Domain-Adapting Multi-Modal Task-Oriented Dialogue Systems. - Youngjae Chang 003; Youngjoong Ko (IEEE ACM Trans. Audio Speech Lang. Process., 2024)

DAPI: Domain Adaptive Toxicity Probe Vector Intervention, for Fine-Grained Detoxification. - Cho Hyeonsu; Dooyoung Kim; Youngjoong Ko (ACL (Findings), 2025)

Robust fine-tuning for low-resource NLP: Combining adversarial and metric-based learning to mitigate overfitting. - Kyuri Choi; Youngjoong Ko (Expert Syst. Appl., 2025)

Soft engagement with pseudo initiatives for multi-party dialogue generation. - Youngjae Chang 003; Youngjoong Ko (Pattern Recognit. Lett., 2025)

Dependency Parsing with the Structuralized Prompt Template. - Keunha Kim; Youngjoong Ko (CoRR, 2025)

SS-MPC: A Sequence-Structured Multi-Party Conversation System. - Yoonjin Jang; Keunha Kim; Youngjoong Ko (CoRR, 2025)

Decoding Dense Embeddings: Sparse Autoencoders for Interpreting and Discretizing Dense Retrieval. - Seongwan Park; Taeklim Kim; Youngjoong Ko (CoRR, 2025)