How a plagiarism checker works to make your life easier (or harder)

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First, what is plagiarism? 

Before dissecting the innards of the common plagiarism checker, let’s discuss what plagiarism actually is.

According to Wikipedia: “Plagiarism is the representation of another’s author’s language, thoughts, ideas, or expressions as one’s own original work.”

Or in other words, stealing. Plagiarism is a punishable offense in many countries.

Plagiarism when rewriting content

First, you need to understand the difference between automatic and assisted rewriting.

In short, automatic article rewriting tools normally work by taking your text, checking the thesaurus, and going to town with synonyms for almost every single word.

While this does wonders for beating the plagiarism checker of your choice, this will leave you with unreadable content that will take you longer to edit and proofread than actually making an effort and writing an entirely separate piece.

Assisted article rewriting is the best way to avoid any kind of plagiarism. 

But how does a plagiarism checker work?

When it comes to doing things via the easy way, usually they’ll put more work into it instead of doing the job the right way.

Because of that, plagiarism checkers have been getting better and better. So much that there are several ways to check for plagiarism. Let’s take a look at some of the most common ways to scan for similarity.

Keyword Analysis

Similarly to how search engines work, you’ll type in a keyword and the software that you’re using will look through its database to find content that’s similar to yours.

In some instances, the software will automatically recognize the keyword and will do this process automatically.

Strings of Words

Most plagiarism checkers look for matching phrases and not words. When doing sectioned spinning, you’ll often miss 

Tools like Chimp Rewriter make this easy with functionalities like Word Run Highlight. It helps you pass checkers by highlighting unspun word runs of three or more words. 

The problem with this type of analysis is that the software will often mark quoted content as plagiarism.

Style of Content

Some checkers can read your content, calculate the probability of a string of words that could be written, and compare them to their database.

Contrary to what you might be thinking, when done well, it is one of the most accurate ways to check plagiarism.

Natural Language Processing (NLP)

This is an AI-based method that is used to instruct a smart system to perform instructions using 

Natural Language Understanding which involves:

  • Mapping the input text into representations
  • Analyzing various aspects of the language

And Natural Language Generation that does:

  • Text planning
  • Sentence Planning
  • Text Realization

Similarly to Content Style Analysis, NLP works by:

  1. Deconstructing the text
  2. Performing a Lexical analysis 
  3. Syntactic Analysis
  4. Semantic Analysis 
  5. Disclosure Integration
  6. Pragmatic Analysis

NLP works as the link between computerized language and human language. This leads to deep learning and understanding of the text making the outcome near identical to that of a human.

Chimp Rewriter was the first article rewriter to integrate Natural Language Processing into their software. 

By using NLP, Chimp Rewriter can help you make your rewritten content near human-like, making your life easier.

So what can you do to avoid it when rewriting articles?

It sounds lovely to grab a piece of content, spin it, and forget about it. In reality, if you want to deliver a high-quality product to either your clients or your followers; you need to put in the work.

Assisted rewriting with Chimp Rewriter means using AI-based technology like NLP, read and learn the text, highlight the plagiarised sections, and aid you rewriting part by part using its integrated tools like: 

  • Word Run Highlight (as described above)
  • Instant Unique: It’s a tool designed to beat plagiarism checkers like Copyscape. Might look the same to you but not to a computer!
  • Favorite Spin: Save your most used words to imprint your style into any spin
  • And many more


In conclusion, “measure twice, cut once”. Being accused of plagiarism is one of the worst things that can happen to you as a writer.

Take your time, make an effort, learn how to use an article rewriter tool like Chimp Rewriter, and streamline the process. 

If you aren’t sure if you want to fully jump the ship, take advantage of Chimp Rewriter’s 15-day free trial!

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