Search Results for author: Minju Jo

Found 9 papers, 5 papers with code

Unveiling the Potential of Superexpressive Networks in Implicit Neural Representations

no code implementations27 Mar 2025 Uvini Balasuriya Mudiyanselage, Woojin Cho, Minju Jo, Noseong Park, Kookjin Lee

In this study, we examine the potential of one of the ``superexpressive'' networks in the context of learning neural functions for representing complex signals and performing machine learning downstream tasks.

Parameterized Physics-informed Neural Networks for Parameterized PDEs

no code implementations18 Aug 2024 Woojin Cho, Minju Jo, Haksoo Lim, Kookjin Lee, Dongeun Lee, Sanghyun Hong, Noseong Park

Complex physical systems are often described by partial differential equations (PDEs) that depend on parameters such as the Reynolds number in fluid mechanics.

Uncertainty Quantification

Hawkes Process Based on Controlled Differential Equations

1 code implementation9 May 2023 Minju Jo, Seungji Kook, Noseong Park

However, existing neural network-based Hawkes process models not only i) fail to capture such complicated irregular dynamics, but also ii) resort to heuristics to calculate the log-likelihood of events since they are mostly based on neural networks designed for regular discrete inputs.

Irregular Time Series Point Processes +1

Learnable Path in Neural Controlled Differential Equations

2 code implementations11 Jan 2023 Sheo Yon Jhin, Minju Jo, Seungji Kook, Noseong Park, Sungpil Woo, Sunhwan Lim

Neural controlled differential equations (NCDEs), which are continuous analogues to recurrent neural networks (RNNs), are a specialized model in (irregular) time-series processing.

Decoder Irregular Time Series +3

TimeKit: A Time-series Forecasting-based Upgrade Kit for Collaborative Filtering

no code implementations8 Nov 2022 Seoyoung Hong, Minju Jo, Seungji Kook, Jaeeun Jung, Hyowon Wi, Noseong Park, Sung-Bae Cho

We present a time-series forecasting-based upgrade kit (TimeKit), which works in the following way: it i) first decides a base collaborative filtering algorithm, ii) extracts user/item embedding vectors with the base algorithm from user-item interaction logs incrementally, e. g., every month, iii) trains our time-series forecasting model with the extracted time- series of embedding vectors, and then iv) forecasts the future embedding vectors and recommend with their dot-product scores owing to a recent breakthrough in processing complicated time- series data, i. e., neural controlled differential equations (NCDEs).

Collaborative Filtering Recommendation Systems +2

LightMove: A Lightweight Next-POI Recommendation for Taxicab Rooftop Advertising

1 code implementation11 Aug 2021 Jinsung Jeon, Soyoung Kang, Minju Jo, Seunghyeon Cho, Noseong Park, Seonghoon Kim, Chiyoung Song

Among various such mobile billboards, taxicab rooftop devices are emerging in the market as a brand new media.

ACE-NODE: Attentive Co-Evolving Neural Ordinary Differential Equations

1 code implementation31 May 2021 Sheo Yon Jhin, Minju Jo, Taeyong Kong, Jinsung Jeon, Noseong Park

Neural ordinary differential equations (NODEs) presented a new paradigm to construct (continuous-time) neural networks.

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