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Ask HN: How does plagarism checker work?

Hey HN,

I am just curious, how does a plagiarism checker work? Do they use the Google Index to search for relevant content, or are they using something like RAG with LLMs?

Is there any technical paper I can read?

( 2 comments | 2 points | on HN )
Re:Ask HN: How does plagarism checker work? by Amy_W on Thursday February 22, 2024 @04:21AM (#39464925)
Plagiarism checkers are pretty straightforward to use - paste your text into the plagiarism tool, and it will give you the results with a press of a button. That may sound simple enough, but many "gears turning" happen behind the scenes (more details - https://ivypanda.com/plagiarism-checker).
Re:Ask HN: How does plagarism checker work? by iExploder on Thursday February 22, 2024 @03:53AM (#39464734)
Compress the texts and find the distance between the results