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Byron Choi

4 accepted papers

2026

Gated Variational Graph Autoencoders as Experts with Competition and Consensus for Multi-view Clustering

AAAI 2026technical

Multi-view clustering has been found useful to leverage diverse data sources for accurate and robust underlying data representations. It typically relies on effectively integrating the latent features from different views through allocating weights while simultaneously mining their specificity and c

Cited by 0SourcePDFScholar
2023

SVP-T: A Shape-Level Variable-Position Transformer for Multivariate Time Series Classification

AAAI 2023technical

Multivariate time series classification (MTSC), one of the most fundamental time series applications, has not only gained substantial research attentions but has also emerged in many real-life applications. Recently, using transformers to solve MTSC has been reported. However, current transformer-bas…

Cited by 36SourcePDFScholar
2021

Graph Edit Distance Learning via Modeling Optimum Matchings with Constraints

IJCAI 2021poster

Graph edit distance (GED) is a fundamental measure for graph similarity analysis in many real applications. GED computation has known to be NP-hard and many heuristic methods are proposed. GED has two inherent characteristics: multiple optimum node matchings and one-to-one node matching constraints.…

2021

ShapeNet: A Shapelet-Neural Network Approach for Multivariate Time Series Classification

AAAI 2021technical

Time series shapelets are short discriminative subsequences that recently have been found not only to be accurate but also interpretable for the classification problem of univariate time series (UTS). However, existing work on shapelets selection cannot be applied to multivariate time series classif…

Cited by 146SourcePDFScholar