Search Results for author: Jung Hyun Ryu

Found 4 papers, 2 papers with code

Fisher-Weighted Merge of Contrastive Learning Models in Sequential Recommendation

no code implementations5 Jul 2023 Jung Hyun Ryu, Jaeheyoung Jeon, Jewoong Cho, Myungjoo Kang 1

Along with the exponential growth of online platforms and services, recommendation systems have become essential for identifying relevant items based on user preferences.

Contrastive Learning Sequential Recommendation

AnomalyBERT: Self-Supervised Transformer for Time Series Anomaly Detection using Data Degradation Scheme

1 code implementation8 May 2023 Yungi Jeong, Eunseok Yang, Jung Hyun Ryu, Imseong Park, Myungjoo Kang

Mechanical defects in real situations affect observation values and cause abnormalities in multivariate time series, such as sensor values or network data.

Anomaly Detection Time Series +1

Meta-Learning with Adaptive Weighted Loss for Imbalanced Cold-Start Recommendation

1 code implementation28 Feb 2023 Minchang Kim, Yongjin Yang, Jung Hyun Ryu, Taesup Kim

To alleviate this limitation, we propose a novel sequential recommendation framework based on gradient-based meta-learning that captures the imbalanced rating distribution of each user and computes adaptive loss for user-specific learning.

Few-Shot Learning Sequential Recommendation

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