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YongKyung Oh

7 accepted papers

2026

FlowPath: Learning Data-Driven Manifolds with Invertible Flows for Robust Irregularly-sampled Time Series Classification

AAAI 2026technical

Modeling continuous-time dynamics from sparse and irregularly-sampled time series remains a fundamental challenge. Neural controlled differential equations provide a principled framework for such tasks, yet their performance is highly sensitive to the choice of control path constructed from discrete

Cited by 0SourcePDFScholar
2025

Comprehensive Review of Neural Differential Equations for Time Series Analysis

IJCAI 2025

Time series modeling and analysis have become critical in various domains. Conventional methods such as RNNs and Transformers, while effective for discrete-time and regularly sampled data, face significant challenges in capturing the continuous dynamics and irregular sampling patterns inherent in re

Cited by 0SourcePDFScholar
2025

DualDynamics: Synergizing Implicit and Explicit Methods for Robust Irregular Time Series Analysis

AAAI 2025technical

Real-world time series analysis faces significant challenges when dealing with irregular and incomplete data. While Neural Differential Equation (NDE) based methods have shown promise, they struggle with limited expressiveness, scalability issues, and stability concerns. Conversely, Neural Flows off…

2024

Stable Neural Stochastic Differential Equations in Analyzing Irregular Time Series Data

ICLR 2024spotlight

Irregular sampling intervals and missing values in real-world time series data present challenges for conventional methods that assume consistent intervals and complete data. Neural Ordinary Differential Equations (Neural ODEs) offer an alternative approach, utilizing neural networks combined with O…