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Web application of Plagiarism Checker using Python-Flask. TF-IDF and cosine similarity is a very common technique. It allows the system to quickly retrieve documents similar to a search query. Similarly, based on the same concept instead of retrieving documents similar to a query, it checks for how similar the query is to the existing database file.

1. User enters a query
2. Query gets processed (Uppercase to lowercase, Removal of punctuationmarks, etc.)
3. Calculations are done (Term Frequency, Cosine Similarity)
4. The Plagiarism Percentage is returned on the web page

1. Flask is a light-weight web framework for Python
2. Easy to work with (Same syntax as of Python)
3. While Flask addresses itself as a "micro-framework", it is not lacking in features or power, especially with a clutch of extensions to support features such as authentication, databases and so on
4. Comprehensive documentation available