Researcher profile

Thomas Hartvigsen

2 papers in the PaperMetrix corpus

Publications

Papers by this author

Handling Missing Values in Multivariate Time Series Classification

2018

Multivariate time series data are littered with missing values across many domains. Often the patterns of missing data points reflect conscious decisions by the data collector, and thus may contain correlations that can be used …
PolyGuard: A Multilingual Safety Moderation Tool for 17 Languages

2025 · arXiv (Cornell University)

Truly multilingual safety moderation efforts for Large Language Models (LLMs) have been hindered by a narrow focus on a small set of languages (e.g., English, Chinese) as well as a limited scope of safety definition, …