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Researcher profile

Sindhu Tipirneni

2 papers in the PaperMetrix corpus

Publications

Papers by this author

  1. Self-Supervised Transformer for Sparse and Irregularly Sampled Multivariate Clinical Time-Series

    2021 · arXiv (Cornell University)

    Multivariate time-series data are frequently observed in critical care settings and are typically characterized by sparsity (missing information) and irregular time intervals. Existing approaches for learning representations in this domain handle these challenges by either …

  2. A Self-Supervised Learning-based Approach to Clustering Multivariate Time-Series Data with Missing Values (SLAC-Time): An Application to TBI Phenotyping

    2023 · arXiv (Cornell University)

    Self-supervised learning approaches provide a promising direction for clustering multivariate time-series data. However, real-world time-series data often include missing values, and the existing approaches require imputing missing values before clustering, which may cause extensive computations …