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Vocabulary Overlap Score

Compare token-set Jaccard and Dice overlap between two texts.

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Text vocabulary similarity online

Compare token-set Jaccard and Dice overlap between two texts. Use this for the specific transformation described above. Start with the fixed sample and compare its result before replacing it with your own representative input.

How to use it

Enter a value or text in the format shown in the example. Supply comparison text in the second input. Choose Run tool. Review the output, then copy or download it.

Worked examples

Use this for the specific transformation described above. Start with the fixed sample and compare its result before replacing it with your own representative input.

Reproducible worked example

Settings: No additional settings.

Input:

red blue green

Comparison text:
red green yellow

With the input and settings above, the tool produces:

Output:

{
  "sharedWords": 2,
  "jaccard": 0.5,
  "dice": 0.6666666666666666
}

For this input, “sharedWords” is 2; “jaccard” is 0.5; “dice” is 0.6666666666666666. These are the named fields in the example output.

Limitations and common mistakes

  • Lexical overlap only; does not measure semantic similarity, originality or plagiarism.
  • Combined input is bounded to 150,000 characters; output text is bounded to 1.2 million characters. Some algorithms impose smaller limits, stated in their error messages.
  • Both inputs must follow their own documented format. Changing direction or mode can require different input; the example is for the displayed settings.

Frequently asked questions

What format should I enter?

Enter a value or text in the format shown in the example. The second input is comparison text. The worked example shows the supported structure and actual output.

How can I compare token-set Jaccard and Dice overlap between two texts online?

Enter a value or text in the format shown in the example. Supply comparison text in the second input. Choose Run tool. Review the output, then copy or download it.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

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