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SESK: Stuff Everyone Should Know · sesk.info/ai-imagenet-wordnet

ImageNet's millions of labeled images are organized by which word hierarchy?

WordNet, a database of English concepts called synsets.

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  1. The Dewey Decimal System
  2. Wikipedia categories
  3. WordNet ✔

Why: ImageNet follows the WordNet hierarchy. Each meaningful concept in WordNet is a synonym set, or synset, and may be described by multiple words or phrases.

Huh, didn't know that: ImageNet does not own the image copyrights; it indexes web images for WordNet synsets.

The dad joke
ImageNet has 14 million pictures and still no photo of where I left my keys.
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References

Answer: WordNet. ImageNet follows the WordNet hierarchy. Each meaningful concept in WordNet is a synonym set, or synset, and may be described by multiple words or phrases.

  1. ImageNet: About www.image-net.org/about.php
    ImageNet is an image dataset organized according to the WordNet hierarchy.
    Checked 2026-10-10.

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