Search Results for author: Junxian Zhou

Found 3 papers, 1 papers with code

Weakly Augmented Variational Autoencoder in Time Series Anomaly Detection

no code implementations7 Jan 2024 Zhangkai Wu, Longbing Cao, Qi Zhang, Junxian Zhou, Hui Chen

Due to their unsupervised training and uncertainty estimation, deep Variational Autoencoders (VAEs) have become powerful tools for reconstruction-based Time Series Anomaly Detection (TSAD).

Anomaly Detection Self-Supervised Learning +2

A Unified One-Step Solution for Aspect Sentiment Quad Prediction

1 code implementation7 Jun 2023 Junxian Zhou, Haiqin Yang, Yuxuan He, Hao Mou, Junbo Yang

Aspect sentiment quad prediction (ASQP) is a challenging yet significant subtask in aspect-based sentiment analysis as it provides a complete aspect-level sentiment structure.

Aspect-Based Sentiment Analysis Sentiment Analysis

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