Jeongwhan Choi

2025

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SCONE: A Novel Stochastic Sampling to Generate Contrastive Views and Hard Negative Samples for Recommendation.
Chaejeong Lee|Jeongwhan Choi|Hyowon Wi|Sung-Bae Cho|Noseong Park
Proceedings of the Eighteenth ACM International Conference on Web Search and Data Mining, WSDM 2025, Hannover, Germany, March 10-14, 2025

2024

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Bridging Dynamic Factor Models and Neural Controlled Differential Equations for Nowcasting GDP.
Seonkyu Lim|Jeongwhan Choi|Noseong Park|Sang-Ha Yoon|ShinHyuck Kang|Young-Min Kim|Hyunjoong Kang
Proceedings of the 33rd ACM International Conference on Information and Knowledge Management, CIKM 2024, Boise, ID, USA, October 21-25, 2024

2023

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Graph Neural Rough Differential Equations for Traffic Forecasting.
Jeongwhan Choi|Noseong Park
ACM Transactions on Intelligent Systems and Technology (TIST) 2023 Volume 14 Issue 4
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Blurring-Sharpening Process Models for Collaborative Filtering.
Jeongwhan Choi|Seoyoung Hong|Noseong Park|Sung-Bae Cho
Proceedings of the 46th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2023, Taipei, Taiwan, July 23-27, 2023

2022

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Prediction-based One-shot Dynamic Parking Pricing.
Seoyoung Hong|Heejoo Shin|Jeongwhan Choi|Noseong Park
Proceedings of the 31st ACM International Conference on Information & Knowledge Management, Atlanta, GA, USA, October 17-21, 2022
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Linear, or Non-Linear, That is the Question!
Taeyong Kong|Taeri Kim|Jinsung Jeon|Jeongwhan Choi|Yeon-Chang Lee|Noseong Park|Sang-Wook Kim
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

2021

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LT-OCF: Learnable-Time ODE-based Collaborative Filtering.
Jeongwhan Choi|Jinsung Jeon|Noseong Park
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021