Publications
Lead papers
What Models Know, How Well They Know It: Estimating Continuous Knowledge to Reduce Hallucinations
Joosung Lee, Hwiyeol Jo, Donghyeon Ko, Kyubyung Chae, Cheonbok Park, Jeonghoon Kim†
Findings of EMNLP, 2026Can Omni-models Imagine the Future? A Next Scene Prediction Benchmark for Multimodal World Modeling
Junyeob Kim, Jihwan Kim, Minha Jhang, Sungwook Jeon, Hwiyeol Jo, Jeonghoon Kim, Sang-goo Lee, Joosung Lee†
Findings of EMNLP, 2026Enhancing Hallucination Detection via Future Context
Joosung Lee, Cheonbok Park, Hwiyeol Jo, Jeonghoon Kim, Joonsuk Park†, Kang Min Yoo†
Findings of ACL, 2026Enhanced Facet Generation with LLM Editing
Joosung Lee, Jinhong Kim
LREC-COLING, 2024P5: Plug-and-Play Persona Prompting for Personalized Response Selection
Joosung Lee, Minsik Oh, Donghun Lee.
EMNLP, 2023The Emotion is Not One-hot Encoding: Learning with Grayscale Label for Emotion Recognition in Conversation
Joosung Lee
INTERSPEECH, 2022Paraphrasing via Ranking Many Candidates
Joosung Lee
INLG, 2022CoMPM: Context Modeling with Speaker’s Pre-trained Memory Tracking for Emotion Recognition in Conversation
Joosung Lee, Wooin Lee
NAACL, 2022 (oral presentation)Multimodal Interactions Using Pretrained Unimodal Models for SIMMC 2.0
Joosung Lee, Kijong Han
AAAI Workshop: Dialog System Technology Challenge 10 (DSTC), 2022Transforming Multi-Conditioned Generation from Meaning Representation
Joosung Lee
RANLP, 2021Stable Style Transformer: Delete and Generate Approach with Encoder-Decoder for Text Style Transfer
Joosung Lee
INLG, 2020 (oral presentation)
Other papers
From Unverifiable Domain Text to Cross-Lingual RLVR via Code-Switched Task Synthesis
Cheonbok Park, Jihwan Kim, Shinyoung Joo, Joosung Lee, Hwiyeol Jo, Jeonghoon Kim†, Jaegul Choo†
EMNLP, 2026OmniACBench: A Benchmark for Evaluating Context-Grounded Acoustic Control in Omni-Modal Models
Seunghee Kim, Bumkyu Park, Kyudan Jung, Joosung Lee, Soyoon Kim, Jeonghoon Kim, Taeuk Kim†, Hwiyeol Jo†
EMNLP, 2026ParaPairAudioBench: Paralinguistic Pairwise Audio Benchmark for AudioLLM-as-a-Judge
Jisu Jeon, Seungyeon Jwa, Joosung Lee, Jinhyeon Kim, Woojin Chung, Hwiyeol Jo, Jeonghoon Kim, Jonghyun Choi, Soyoon Kim†
INTERSPEECH, 2026HyperCLOVA X 8B Omni
NCHX Team
Tech Report, 2026HyperCLOVA X 32B Think
NCHX Team
Tech Report, 2026HyperCLOVA X THINK Technical Report
Tech Report, 2025PK-ICR: Persona-Knowledge Interactive Context Retrieval for Grounded Dialogue
Minsik Oh, Joosung Lee, Jiwei Li, Guoyin Wang
EMNLP, 2023 (oral presentation)An Evaluation Dataset and Strategy for Building Robust Multi-turn Response Selection Model
Kijong Han, Seojin Lee, Wooin Lee, Joosung Lee, Dong-hun Lee
EMNLP, 2021Brightness-based convolutional neural network for thermal image enhancement
Kyungjae Lee, Junhyeop Lee, Joosung Lee, Sangwon Hwang, Sangyoun Lee
IEEE Access, 2017
Domestic Publication
Controlled Korean Style Transfer using BERT
이주성, 오연택, 변현진, 민경구
HCLT, 2019Moving Object Detection in Non-stationary camera using Ensemble Approach
김우진，이준협，황상원，이주성，이상윤
대한전자공학회 하계종합학술대회, 2018RGB-VO: Visual Odometry using mono RGB
이주성, 황상원, 김우진, 이상윤
KIPS, 2018
Preprint
Finding answers in thought matters: Revisiting evaluation on large language models with reasoning
Hwiyeol Jo, Joosung Lee, Jaehone Lee, Sang-Woo Lee, Joonsuk Park†, Kang Min Yoo†
Under Review, 2025Continual Pre-Training for Hallucination Reduction
Minsik_Oh, Sung-ju Kim, Douwe Kiela, Guoyin Wang, Kang Min Yoo, Joosung Lee†
Under Review, 2025Cross-lingual Collapse: How Language-Centric Foundation Models Shape Reasoning in Large Language Models
Cheonbok Park, Jeonghoon Kim, Joosung Lee, Sanghwan Bae, Jaegul Choo†, Kangmin Yoo†
Under Review, 2025AD-VO: Scale-Resilient Visual Odometry Using Attentive Disparity Map
Joosung Lee, Sangwon Hwang, Kyungjae Lee, Woo Jin Kim, Junhyeop Lee, Tae-young Chung, Sangyoun Lee.
Preprint, 2018