| 2020 | COLING | Unsupervised Fact Checking by Counter-Weighted Positive and Negative Evidential Paths in A Knowledge Graph. | Jiseong Kim, Key-Sun Choi |
| 2020 | LREC | Crowdsourcing in the Development of a Multilingual FrameNet: A Case Study of Korean FrameNet. | YoungGyun Hahm, Youngbin Noh, Jiyoon Han, Tae Hwan Oh, Hyonsu Choe, Hansaem Kim, Key-Sun Choi |
| 2020 | LREC | Effective Crowdsourcing of Multiple Tasks for Comprehensive Knowledge Extraction. | Sangha Nam, Minho Lee, Donghwan Kim, Kijong Han, Kuntae Kim, Sooji Yoon, Eun-Kyung Kim, Key-Sun Choi |
| 2020 | PACLIC | Enhancing Quality of Corpus Annotation: Construction of the Multi-Layer Corpus Annotation and Simplified Validation of the Corpus Annotation. | Youngbin Noh, Kuntae Kim, Minho Lee, Cheolhun Heo, Yongbin Jeong, Yoosung Jeong, Younggyun Hahm, Taehwan Oh, Hyonsu Choe, Seokwon Park, Jin-Dong Kim, Key-Sun Choi |
| 2018 | COLING | Utilizing Graph Measure to Deduce Omitted Entities in Paragraphs. | Eun-Kyung Kim, Kijong Han, Jiho Kim, Key-Sun Choi |
| 2018 | COLING | A Korean Knowledge Extraction System for Enriching a KBox. | Sangha Nam, Eun-Kyung Kim, Jiho Kim, Yoosung Jung, Kijong Han, Key-Sun Choi |
| 2018 | LREC | Semi-automatic Korean FrameNet Annotation over KAIST Treebank. | YoungGyun Hahm, Jiseong Kim, Sunggoo Kwon, Key-Sun Choi |
| 2018 | LREC | Unsupervised Korean Word Sense Disambiguation using CoreNet. | Kijong Han, Sangha Nam, Jiseong Kim, YoungGyun Hahm, Key-Sun Choi |
| 2018 | LREC | Incorporating Global Contexts into Sentence Embedding for Relational Extraction at the Paragraph Level with Distant Supervision. | Eun-Kyung Kim, Key-Sun Choi |
| 2018 | LREC | Automatic Wordnet Mapping: from CoreNet to Princeton WordNet. | Jiseong Kim, YoungGyun Hahm, Sunggoo Kwon, Key-Sun Choi |
| 2017 | LDK | SRDF: A Novel Lexical Knowledge Graph for Whole Sentence Knowledge Extraction. | Sangha Nam, GyuHyeon Choi, Key-Sun Choi |
| 2017 | SIGIR | SIGIR 2017 Workshop on Open Knowledge Base and Question Answering (OKBQA2017). | Key-Sun Choi, Teruko Mitamura, Piek Vossen, Jin-Dong Kim, Axel-Cyrille Ngonga Ngomo |
| 2016 | COLING | MAGES: A Multilingual Angle-integrated Grouping-based Entity Summarization System. | Eun-Kyung Kim, Key-Sun Choi |
| 2016 | COLING | The Open Framework for Developing Knowledge Base And Question Answering System. | Jiseong Kim, GyuHyeon Choi, Jung-Uk Kim, Eun-Kyung Kim, Key-Sun Choi |
| 2016 | COLING | Korean FrameNet Expansion Based on Projection of Japanese FrameNet. | Jeonguk Kim, YoungGyun Hahm, Key-Sun Choi |
| 2016 | LREC | Korean TimeML and Korean TimeBank. | Young-Seob Jeong, Won-Tae Joo, Hyun-Woo Do, Chae-Gyun Lim, Key-Sun Choi, Ho-Jin Choi |
| 2015 | CoNLL | Entity Linking Korean Text: An Unsupervised Learning Approach using Semantic Relations. | Youngsik Kim, Key-Sun Choi |
| 2014 | LREC | Named Entity Corpus Construction using Wikipedia and DBpedia Ontology. | YoungGyun Hahm, Jungyeul Park, Kyungtae Lim, Youngsik Kim, Dosam Hwang, Key-Sun Choi |
| 2010 | WWW | Metadata Synchronization between Bilingual Resources: Case Study in Wikipedia. | Eun-Kyung Kim, Matthias Weidl, Key-Sun Choi |
| 2008 | IDEAL | An Empirical Research on Extracting Relations from Wikipedia Text. | Jin-Xia Huang, Pum-Mo Ryu, Key-Sun Choi |
| 2006 | ACL | Taxonomy Learning using Term Specificity and Similarity. | Pum-Mo Ryu, Key-Sun Choi |
| 2006 | LREC | Compiling large language resources using lexical similarity metrics for domain taxonomy learning. | Ronny Melz, Pum-Mo Ryu, Key-Sun Choi |
| 2005 | IJCNLP | Automatic Partial Parsing Rule Acquisition Using Decision Tree Induction. | Myung-Seok Choi, Chul Su Lim, Key-Sun Choi |
| 2005 | IJCNLP | Classifying Chinese Texts in Two Steps. | Xinghua Fan, Maosong Sun, Key-Sun Choi, Qin Zhang |
| 2005 | IJCNLP | An Ensemble of Grapheme and Phoneme for Machine Transliteration. | Jong-Hoon Oh, Key-Sun Choi |
| 2005 | IJCNLP | Automatic Extraction of English-Korean Translations for Constituents of Technical Terms. | Jong-Hoon Oh, Key-Sun Choi |
| 2004 | ACL | Automatic clustering of collocation for detecting practical sense boundary. | Saim Shin, Key-Sun Choi |
| 2004 | COLING | Semiautomatic Extension of CoreNet using a Bootstrapping Mechanism on Corpus-based Co-occurrences. | Chris Biemann, Saim Shin, Key-Sun Choi |
| 2004 | IJCNLP | Causal Relation Extraction Using Cue Phrase and Lexical Pair Probabilities. | Du-Seong Chang, Key-Sun Choi |
| 2004 | LREC | Lexical Analysis of Agglutinative Languages Using a Dictionary of Lemmas and Lexical Transducers. | Sun-Mee Bae, Key-Sun Choi |
| 2004 | LREC | Korean-Chinese-Japanese Multilingual Wordnet with Shared Semantic Hierarchy. | Key-Sun Choi, Hee-Sook Bae, Wonseok Kang, Juho Lee, Eunhe Kim, Hekyeong Kim, Donghee Kim, Youngbin Song, Hyosik Shin |
| 2003 | PACLIC | Virtual Linked Lexical Knowledge Base for Causality Reasoning. | Key-Sun Choi |
| 2002 | COLING | Unsupervised Named Entity Classification Models and their Ensembles. | Jae-Ho Kim, In-Ho Kang, Key-Sun Choi |
| 2002 | COLING | Implicit Ambiguity Resolution Using Incremental Clustering in Korean-to-English Cross-Language Information Retrieval. | Kyung-Soon Lee, Kyo Kageura, Key-Sun Choi |
| 2002 | COLING | Word Sense Disambiguation using Static and Dynamic Sense Vectors. | Jong-Hoon Oh, Key-Sun Choi |
| 2002 | COLING | An English-Korean Transliteration Model Using Pronunciation and Contextual Rules. | Jong-Hoon Oh, Key-Sun Choi |
| 2002 | LREC | Word Sense Disambiguation with Information Retrieval Technique. | Jong-Hoon Oh, Saim Shin, Yong-Seok Choi, Key-Sun Choi |
| 2002 | PACLIC | A Korean Noun Semantic Hierarchy (Wordnet) Construction. | Juho Lee, Koaunghi Un, Hee-Sook Bae, Key-Sun Choi |
| 2002 | PRICAI | Answer Extraction by Flexible Matching, Filtering, and Interpretation. | Kyung-Soon Lee, Jae-Ho Kim, Key-Sun Choi |
| 2000 | ACL | Chinese-Korean Word Alignment Based on Linguistic Comparison. | Jin-Xia Huang, Key-Sun Choi |
| 2000 | ACL | Dimension-Reduced Estimation of Word Co-occurrence Probability. | Kilyoun Kim, Key-Sun Choi |
| 2000 | ACL | Phrase-Pattern-based Korean to English Machine Translation using Two Level Translation Pattern Selection. | Jung-Jae Kim, Key-Sun Choi, Young-Soog Chae |
| 2000 | ACL | Term Recognition Using Technical Dictionary Hierarchy. | Jong-Hoon Oh, Kyung-Soon Lee, Key-Sun Choi |
| 2000 | LREC | Design and Construction of Knowledge base for Verb using MRD and Tagged Corpus. | Young-Soog Chae, Key-Sun Choi |
| 2000 | LREC | Introduction of KIBS (Korean Information Base System) Project. | Young-Soog Chae, Key-Sun Choi |
| 2000 | LREC | Terminology in Korea: KORTERM. | Key-Sun Choi, Young-Soog Chae |
| 2000 | LREC | Automatic Transliteration and Back-transliteration by Decision Tree Learning. | Byung-Ju Kang, Key-Sun Choi |
| 2000 | PACLIC | Using Bilingual Semantic Information in Chinese-Korean Word Alignment. | Jin-Xia Huang, Key-Sun Choi |
| 1999 | EMNLP | Corpus-Based Approach for Nominal Compound Analysis for Korean Based on Linguistic and Statistical Information. | Juntae Yoon, Key-Sun Choi, Mansuk Song |
| 1998 | ACL | Hybrid Approaches to Improvement of Translation Quality in Web-based English-Korean Machine Translation. | Sung-Kwon Choi, Hanmin Jung, Chul-Min Sim, Taewan Kim, Dong-In Park, Junsik Park, Key-Sun Choi |
| 1998 | ACL | Automatic Acquisition of Language Model based on Head-Dependent Relation between Words. | Seungmi Lee, Key-Sun Choi |
| 1998 | ACL | Machine Aided Error-Correction Environment for Korean Morphological Analysis and Part-of-Speech Tagging. | Junsik Park, Jung-Goo Kang, Wook Hur, Key-Sun Choi |
| 1997 | IJCAI | Corpus-Based Chinese-Korean Abstracting Translation System. | Jun-Jie Li, Key-Sun Choi |
| 1996 | COLING | Markov random field based English Part-Of-Speech tagging system. | Sung-Young Jung, Young C. Park, Key-Sun Choi, Youngwhan Kim |
| 1996 | COLING | Korean Language Engineering: Current Status of the Information Platform. | Seongyong Kim, Key-Sun Choi |
| 1996 | COLING | Bilingual Knowledge Acquisition from Korean-English Parallel Corpus Using Alignment. | Jung H. Shin, Young S. Han, Key-Sun Choi |
| 1996 | PACLIC | A Logical Structure for the Construction of Machine Readable Dictionaries. | Byung-Jin Choi, Jae-Sung Lee, Woon-Jae Lee, Key-Sun Choi |
| 1995 | CIKM | Automatic Thesaurus Construction Using Bayesian Networks. | Young C. Park, Young S. Han, Key-Sun Choi |
| 1995 | EACL | Collocation Map for Overcoming Data Sparseness. | Moonjoo Kim, Young S. Han, Key-Sun Choi |
| 1995 | ICDAR | Automatic hypertext link generation based on conceptual graphs. | Gi-Chul Yang, Key-Sun Choi |
| 1994 | CIKM | Query Expansion Using Domain Adapted, Weighted Thesaurus in an Extended Boolean Model. | Oh-Woog Kwon, Myoung-Cheol Kim, Key-Sun Choi |
| 1994 | COLING | An English-To-Korean Machine Translator: MATES/EK. | Key-Sun Choi, Seungmi Lee, Hiongun Kim, Deok-Bong Kim, Cheol Jung Kweon, Gil-Chang Kim |
| 1994 | COLING | A Reestimation Algorithm for Probabilistic Recursive Transition Network. | Young S. Han, Key-Sun Choi |
| 1994 | COLING | A Two-Level Morphological Analysis Of Korean. | Deok-Bong Kim, Sung-Jin Lee, Key-Sun Choi, Gil-Chang Kim |
| 1993 | CIKM | HYKIS - An Information Retrieval System Based on a Hybrid Knowledge Base. | Dongwook Shin, Hyongmuk Lim, Yongun Yoon, Key-Sun Choi |