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What is NLP and ML and How Does it work in paraphrasing?


What is NLP and ML?

Natural language processing or NLP is the branch of computer science and artificial intelligence (AI) that deals with the ability of computers to understand spoken words and written texts in the same manner as humans do. In other words, it helps computers to communicate with human beings in their own language.

Moreover, it also helps them in tasks that are related to language.  Natural language processing uses computer programs for translating text given in one language to another language. Google Translate is a good example of NLP technology.

Some applications of NLP

Other applications of NLP include spam detection in emails and summarization of huge volumes of text quickly. However, it is very useful for social media sentiment analysis. Business companies are also using it for product designing and advertising campaigns.

Paraphrasing tools also use natural language processing to generate exclusive and unique content from the already existing ideas.

Machine Learning (ML)

Machine learning or ML is another branch of artificial intelligence where computers analyze the data to identify patterns in it. After this, it makes decisions with nominal interference and involvement of human beings. When working with a large amount of data, it is more powerful and affordable to use machine learning for the processing and storage of data.

Nowadays, machines have become much more intelligent and efficient. Hence, they can analyze more data than humans in an unbiased way in a little time. Moreover, Natural language processing uses algorithms that are based on machine learning algorithms. These algorithms are responsible for understanding and interpreting the large volume of text data provided and then generating output data.

What is paraphrasing?

Paraphrasing is the Natural Language Processing (NLP) task in computer linguistics where paraphrases are detected and generated. It is used to retrieve information, answer a question, summarize a long text, and detect plagiarism. It is also useful to evaluate machine translation.

NLP Paraphrasing tools

A natural language processing or NLP paraphraser is an artificial intelligence-based tool that is based on the principles of natural language processing (NLP). These tools are amazingly smart that generate new content from the input content.

The language of this new content is totally original and natural. There are several tools available that help users rewrite a piece of content. The paraphrasing tools do not change or alter the meaning of a text. Basically, a paraphrasing tool works as an article writer and generates numerous variations of written content in an automatic way for the user.

The NLP paraphrasers are not just simple paraphrasers. Because, such tools work on algorithms of artificial intelligence to understand the content they are going to rephrase. Hence, these tools are more efficient, cheaper, and time-saving than humans.

Who can get benefits from paraphrasing tools?

The earlier versions of paraphrasers were not efficient, hence not desirable. But the latest technologies of machine learning and natural language processing are making it possible for these tools to learn from the provided input content.

Now it generates high-quality output content that is natural to humans. These tools are helpful for web content writers and students to write plagiarism-free articles and assignments from existing ideas. Therefore, there is a great significance of paraphrasing tools for people who have to create a lot of written content.

NLP and ML in Paraphrasing

Natural Language Processing and machine learning algorithms enable a paraphrasing tool to analyze the human language in the form of voice or text data. The given data interpret to understand its meaning entirely by recognizing the intent and sentiments of the writer or speaker.

It also keeps an account of which parts of the text or speech are the most important and which are not. Therefore, these tools are lessening the number of human efforts in language-related tasks and they give the output in a short time.

Examples of NLP paraphrasing tools

There are a number of paraphrasers available nowadays. We will discuss two of them in this article.


This paraphrasing tool is based on a highly advanced algorithm. In fact, this tool is the most advanced Artificial Intelligence (AI) rewriter based on natural language processing (NLP).

Main features making the best choice

This tool can be a good choice for creating content because the final product is always plagiarism-free and understandable for humans. It can paraphrase from a few sentences to a complete document. While paraphrasing, it does not compromise on the accuracy of the content, unlike other paraphrasing tools available.

Moreover, it removes the copied parts of content to create articles that are easy to comprehend. In short, it properly replaces synonyms and rephrases sentences, making itself skillful even than the professional authors.


This paraphrasing tool is useful for writing blogs, copywriting for marketing purposes, and creating new articles from the available information. It works by rephrasing a text using different sentence structure options and by substituting words having analogous meanings. Here are the main features that make this paraphrasing tool a good option to use.

Main features

Wordai is a paid tool. You have to pay registration fee to sign up here. This tool ignores all the unimportant information and creates a passage with accurate data only.

You can rewrite content indefinite times by pressing the paraphrase button again and again. You can also rephrase your social media posts with this tool. In addition, the input data is completely secure and not shared with anyone so there is no risk related to data theft.

Final Verdict

Natural language processing and machine learning-based paraphrasing tools are the best pick to make a piece of content unique. Paraphrasing tools help the user to rephrase a text in many different ways, creating a plagiarism-free document.

Instead of replacing the synonyms only, these tools make a text understandable for humans. and are two of the best examples of paraphrasing tools. Both the tools have different characteristics that are useful for different people depending upon their needs.


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