2022

Measuring Data

Mitchell, Margaret, Luccioni, Alexandra Sasha, Lambert, Nathan et al.

Understand

We identify the task of measuring data to quantitatively characterize the composition of machine learning data and datasets.

  • Similar to an object's height, width, and volume, data measurements quantify different attributes of data along common dimensions that support comparison.
  • Several lines of research have proposed what we refer to as measurements, with differing terminology; we bring some of this work together, particularly in fields of computer vision and language, and build from it to motivate measuring data as a critical component of responsible AI development.
  • Measuring data aids in systematically building and analyzing machine learning (ML) data towards specific goals and gaining better control of what modern ML systems will learn.

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